S1613, Trastuzumab and Pertuzumab or Cetuximab and Irinotecan Hydrochloride in Treating Patients With Locally Advanced or Metastatic HER2/Neu Amplified Colorectal Cancer That Cannot Be Removed by Surgery

January 21, 2026 updated by: SWOG Cancer Research Network

S1613, A Randomized Phase II Study of Trastuzumab and Pertuzumab (TP) Compared to Cetuximab and Irinotecan (CETIRI) in Advanced/Metastatic Colorectal Cancer (mCRC) With HER-2 Amplification

This randomized phase II trial studies how well trastuzumab and pertuzumab work compared to cetuximab and irinotecan hydrochloride in treating patients with HER2/neu amplified colorectal cancer that has spread from where it started to other places in the body and cannot be removed by surgery. Monoclonal antibodies, such as trastuzumab and pertuzumab, may interfere with the ability of tumor cells to grow and spread. Drugs used in chemotherapy, such as cetuximab and irinotecan hydrochloride, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving trastuzumab and pertuzumab may work better compared to cetuximab and irinotecan hydrochloride in treating patients with colorectal cancer.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

PRIMARY OBJECTIVES:

I. To evaluate the efficacy of trastuzumab and pertuzumab (TP) (Arm 1) in HER-2 amplified metastatic colorectal cancer (mCRC) by comparing progression-free survival (PFS) on TP compared to control arm (Arm 2) of cetuximab and irinotecan hydrochloride (irinotecan) (CETIRI).

SECONDARY OBJECTIVES:

I. To evaluate the overall response rate (ORR), including confirmed complete and partial response per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1, in treatment Arms 1 and 2.

II. To evaluate the overall survival (OS) in treatment Arms 1 and 2. III. To evaluate the safety and toxicity of TP compared to CETIRI.

TERTIARY OBJECTIVES:

I. To estimate the rates of PFS, OS, and ORR in patients who crossover to TP (Arm 3) after disease progression on CETIRI.

II. To bank images for future retrospective analysis. III. To evaluate if HER-2/centromeric probe (CEP17) signal ratio and HER-2 gene copy number (GCN) are predictive of clinical efficacy for patients receiving TP versus CETIRI.

IV. To bank tissue and blood samples for other future correlative studies from patients enrolled on the study.

OUTLINE: Patients with HER2 gene amplification are randomized to 1 of 2 arms.

ARM I: Patients receive pertuzumab intravenously (IV) over 30-60 minutes and trastuzumab IV over 30-120 minutes on day 1. Courses repeat every 21 days in the absence of disease progression or unacceptable toxicity.

ARM II: Patients receive cetuximab IV over 60-120 minutes and irinotecan hydrochloride IV over 90 minutes on day 1. Courses repeat every 14 days in the absence of disease progression or unacceptable toxicity. Patients with documented disease progression may optionally crossover to Arm I.

After completion of study treatment, patients are followed up for 3 years.

Study Type

Interventional

Enrollment (Actual)

240

Phase

Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

Puerto Rico
- - Aguadilla, Puerto Rico, 00603
    - Advance Oncology Center
  - Arecibo, Puerto Rico, 00614
    - Doctor's Cancer Center-Arecibo
  - Bayamón, Puerto Rico, 00959-5060
    - Cancer Center-Metro Medical Center Bayamon
  - Bayamón, Puerto Rico, 00961
    - Hematologia Oncologia San Pablo
  - Caguas, Puerto Rico, 00726
    - HIMA San Pablo Oncologic Hospital
  - Manatí, Puerto Rico, 00674
    - Doctors Cancer Center
  - Ponce, Puerto Rico, 00716
    - Instituto Oncologia Moderna Ponce
  - San Juan, Puerto Rico, 00917
    - San Juan Community Oncology Group
  - San Juan, Puerto Rico, 00927
    - Centro Comprensivo de Cancer de UPR
  - San Juan, Puerto Rico, 00936
    - San Juan City Hospital
  - San Juan, Puerto Rico, 00920
    - Primary Care Physician Group
  - Santa Isabel, Puerto Rico, 00757
    - Centro de Hematologia y Oncologia del Sur
United States
- Alaska
  - Anchorage, Alaska, United States, 98508
    - Anchorage Associates in Radiation Medicine
  - Anchorage, Alaska, United States, 99508
    - Alaska Breast Care and Surgery LLC
  - Anchorage, Alaska, United States, 99508
    - Alaska Oncology and Hematology LLC
  - Anchorage, Alaska, United States, 99508
    - Alaska Women's Cancer Care
  - Anchorage, Alaska, United States, 99508
    - Anchorage Oncology Centre
  - Anchorage, Alaska, United States, 99508
    - Katmai Oncology Group
  - Anchorage, Alaska, United States, 99508
    - Providence Alaska Medical Center
  - Anchorage, Alaska, United States, 99504
    - Anchorage Radiation Therapy Center
  - Fairbanks, Alaska, United States, 99701
    - Fairbanks Memorial Hospital
- Arizona
  - Goodyear, Arizona, United States, 85338
    - CTCA at Western Regional Medical Center
  - Kingman, Arizona, United States, 86401
    - Kingman Regional Medical Center
- Arkansas
  - Fort Smith, Arkansas, United States, 72903
    - Mercy Hospital Fort Smith
  - Hot Springs, Arkansas, United States, 71913
    - CHI Saint Vincent Cancer Center Hot Springs
  - Jonesboro, Arkansas, United States, 72401
    - Baptist Memorial Hospital and Fowler Family Cancer Center - Jonesboro
- California
  - Anaheim, California, United States, 92806
    - Kaiser Permanente-Anaheim
  - Arroyo Grande, California, United States, 93420
    - PCR Oncology
  - Arroyo Grande, California, United States, 93420
    - Mission Hope Medical Oncology - Arroyo Grande
  - Auburn, California, United States, 95602
    - Sutter Auburn Faith Hospital
  - Auburn, California, United States, 95603
    - Sutter Cancer Centers Radiation Oncology Services-Auburn
  - Baldwin Park, California, United States, 91706
    - Kaiser Permanente-Baldwin Park
  - Bellflower, California, United States, 90706
    - Kaiser Permanente-Bellflower
  - Berkeley, California, United States, 94704
    - Alta Bates Summit Medical Center-Herrick Campus
  - Burbank, California, United States, 91505
    - Providence Saint Joseph Medical Center/Disney Family Cancer Center
  - Burlingame, California, United States, 94010
    - Mills-Peninsula Medical Center
  - Cameron Park, California, United States, 95682
    - Sutter Cancer Centers Radiation Oncology Services-Cameron Park
  - Castro Valley, California, United States, 94546
    - Eden Hospital Medical Center
  - Corona, California, United States, 92879
    - City of Hope Corona
  - Costa Mesa, California, United States, 92627
    - UC Irvine Health Cancer Center-Newport
  - Davis, California, United States, 95616
    - Sutter Davis Hospital
  - Duarte, California, United States, 91010
    - City of Hope Comprehensive Cancer Center
  - Dublin, California, United States, 94568
    - Epic Care-Dublin
  - Emeryville, California, United States, 94608
    - Bay Area Breast Surgeons Inc
  - Emeryville, California, United States, 94608
    - Epic Care Partners in Cancer Care
  - Fontana, California, United States, 92335
    - Kaiser Permanente-Fontana
  - Fremont, California, United States, 94538
    - Palo Alto Medical Foundation-Fremont
  - Harbor City, California, United States, 90710
    - Kaiser Permanente - Harbor City
  - Irvine, California, United States, 92618
    - Kaiser Permanente-Irvine
  - Lancaster, California, United States, 93534
    - City of Hope Antelope Valley
  - Loma Linda, California, United States, 92354
    - Loma Linda University Medical Center
  - Los Angeles, California, United States, 90033
    - USC / Norris Comprehensive Cancer Center
  - Los Angeles, California, United States, 90033
    - Los Angeles County-USC Medical Center
  - Los Angeles, California, United States, 90027
    - Kaiser Permanente Los Angeles Medical Center
  - Los Angeles, California, United States, 90034
    - Kaiser Permanente West Los Angeles
  - Martinez, California, United States, 94553-3156
    - Contra Costa Regional Medical Center
  - Marysville, California, United States, 95901
    - Fremont - Rideout Cancer Center
  - Mission Hills, California, United States, 91345
    - City of Hope Mission Hills
  - Modesto, California, United States, 95355
    - Memorial Medical Center
  - Mountain View, California, United States, 94040
    - Palo Alto Medical Foundation-Camino Division
  - Mountain View, California, United States, 94040
    - Palo Alto Medical Foundation-Gynecologic Oncology
  - Novato, California, United States, 94945
    - Sutter Cancer Research Consortium
  - Oakland, California, United States, 94609
    - Alta Bates Summit Medical Center - Summit Campus
  - Oakland, California, United States, 94609
    - Bay Area Tumor Institute
  - Ontario, California, United States, 91761
    - Kaiser Permanente-Ontario
  - Orange, California, United States, 92868
    - UC Irvine Health/Chao Family Comprehensive Cancer Center
  - Palo Alto, California, United States, 94301
    - Palo Alto Medical Foundation Health Care
  - Panorama City, California, United States, 91402
    - Kaiser Permanente - Panorama City
  - Riverside, California, United States, 92505
    - Kaiser Permanente-Riverside
  - Roseville, California, United States, 95661
    - Sutter Cancer Centers Radiation Oncology Services-Roseville
  - Roseville, California, United States, 95661
    - Sutter Roseville Medical Center
  - Sacramento, California, United States, 95816
    - Sutter Medical Center Sacramento
  - Sacramento, California, United States, 95817
    - University of California Davis Comprehensive Cancer Center
  - San Diego, California, United States, 92120
    - Kaiser Permanente-San Diego Zion
  - San Diego, California, United States, 92108
    - Kaiser Permanente-San Diego Mission
  - San Francisco, California, United States, 94115
    - California Pacific Medical Center-Pacific Campus
  - San Luis Obispo, California, United States, 93401
    - Pacific Central Coast Health Center-San Luis Obispo
  - San Marcos, California, United States, 92078
    - Kaiser Permanente-San Marcos
  - San Mateo, California, United States, 94401
    - Mills Health Center
  - Santa Clarita, California, United States, 91355
    - City of Hope - Santa Clarita
  - Santa Cruz, California, United States, 95065
    - Palo Alto Medical Foundation-Santa Cruz
  - Santa Maria, California, United States, 93444
    - Mission Hope Medical Oncology - Santa Maria
  - Santa Rosa, California, United States, 95403
    - Sutter Pacific Medical Foundation
  - South Pasadena, California, United States, 91030
    - City of Hope South Pasadena
  - Sunnyvale, California, United States, 94086
    - Palo Alto Medical Foundation-Sunnyvale
  - Upland, California, United States, 91786
    - City of Hope Upland
  - Vacaville, California, United States, 95687
    - Sutter Cancer Centers Radiation Oncology Services-Vacaville
  - Vallejo, California, United States, 94589
    - Sutter Solano Medical Center/Cancer Center
  - Walnut Creek, California, United States, 94597
    - Epic Care Cyberknife Center
  - West Covina, California, United States, 91790
    - City of Hope West Covina
  - Woodland Hills, California, United States, 91367
    - Kaiser Permanente-Woodland Hills
- Colorado
  - Aurora, Colorado, United States, 80045
    - Children's Hospital Colorado
  - Aurora, Colorado, United States, 80045
    - University of Colorado Hospital
  - Aurora, Colorado, United States, 80012
    - Rocky Mountain Cancer Centers-Aurora
  - Aurora, Colorado, United States, 80012
    - The Medical Center of Aurora
  - Boulder, Colorado, United States, 80301
    - Boulder Community Hospital
  - Boulder, Colorado, United States, 80303
    - Boulder Community Foothills Hospital
  - Boulder, Colorado, United States, 80304
    - Rocky Mountain Cancer Centers-Boulder
  - Centennial, Colorado, United States, 80112
    - Rocky Mountain Cancer Centers - Centennial
  - Colorado Springs, Colorado, United States, 80907
    - Penrose-Saint Francis Healthcare
  - Colorado Springs, Colorado, United States, 80909
    - UCHealth Memorial Hospital Central
  - Colorado Springs, Colorado, United States, 80907
    - Rocky Mountain Cancer Centers-Penrose
  - Colorado Springs, Colorado, United States, 80920
    - Memorial Hospital North
  - Denver, Colorado, United States, 80210
    - Porter Adventist Hospital
  - Denver, Colorado, United States, 80218
    - Presbyterian - Saint Lukes Medical Center - Health One
  - Denver, Colorado, United States, 80218
    - SCL Health Saint Joseph Hospital
  - Denver, Colorado, United States, 80220
    - Rose Medical Center
  - Denver, Colorado, United States, 80218
    - Rocky Mountain Cancer Centers-Midtown
  - Denver, Colorado, United States, 80220
    - Rocky Mountain Cancer Centers-Rose
  - Denver, Colorado, United States, 80204
    - Denver Health Medical Center
  - Denver, Colorado, United States, 80218
    - Colorado Blood Cancer Institute
  - Denver, Colorado, United States, 80204
    - Cancer Center of Colorado at Sloan's Lake
  - Denver, Colorado, United States, 80209
    - The Women's Imaging Center
  - Denver, Colorado, United States, 80206
    - National Jewish Health-Main Campus
  - Durango, Colorado, United States, 81301
    - Mercy Medical Center
  - Durango, Colorado, United States, 81301
    - Southwest Oncology PC
  - Englewood, Colorado, United States, 80113
    - Mountain Blue Cancer Care Center - Swedish
  - Englewood, Colorado, United States, 80113
    - Swedish Medical Center
  - Englewood, Colorado, United States, 80113
    - Rocky Mountain Cancer Centers - Swedish
  - Englewood, Colorado, United States, 80113
    - The Melanoma and Skin Cancer Institute
  - Fort Collins, Colorado, United States, 80524
    - Poudre Valley Hospital
  - Fort Collins, Colorado, United States, 80528
    - Cancer Care and Hematology-Fort Collins
  - Golden, Colorado, United States, 80401
    - Mountain Blue Cancer Care Center
  - Golden, Colorado, United States, 80401
    - National Jewish Health-Western Hematology Oncology
  - Grand Junction, Colorado, United States, 81501
    - Saint Mary's Hospital and Regional Medical Center
  - Grand Junction, Colorado, United States, 81505
    - Grand Valley Oncology
  - Greeley, Colorado, United States, 80631
    - North Colorado Medical Center
  - Greeley, Colorado, United States, 80631
    - UCHealth Greeley Hospital
  - Highlands Ranch, Colorado, United States, 80129
    - UCHealth Highlands Ranch Hospital
  - Lafayette, Colorado, United States, 80026
    - Good Samaritan Medical Center
  - Lakewood, Colorado, United States, 80228
    - Saint Anthony Hospital
  - Lakewood, Colorado, United States, 80228
    - Rocky Mountain Cancer Centers-Lakewood
  - Littleton, Colorado, United States, 80120
    - Rocky Mountain Cancer Centers-Littleton
  - Littleton, Colorado, United States, 80122
    - Littleton Adventist Hospital
  - Lone Tree, Colorado, United States, 80124
    - Sky Ridge Medical Center
  - Lone Tree, Colorado, United States, 80124
    - Rocky Mountain Cancer Centers-Sky Ridge
  - Longmont, Colorado, United States, 80501
    - Longmont United Hospital
  - Longmont, Colorado, United States, 80501
    - Rocky Mountain Cancer Centers-Longmont
  - Loveland, Colorado, United States, 80539
    - McKee Medical Center
  - Loveland, Colorado, United States, 80538
    - Medical Center of the Rockies
  - Parker, Colorado, United States, 80138
    - Parker Adventist Hospital
  - Parker, Colorado, United States, 80138
    - Rocky Mountain Cancer Centers-Parker
  - Pueblo, Colorado, United States, 81004
    - Saint Mary Corwin Medical Center
  - Pueblo, Colorado, United States, 81008
    - Rocky Mountain Cancer Centers - Pueblo
  - Thornton, Colorado, United States, 80260
    - Rocky Mountain Cancer Centers-Thornton
  - Thornton, Colorado, United States, 80260
    - National Jewish Health-Northern Hematology Oncology
  - Wheat Ridge, Colorado, United States, 80033
    - SCL Health Lutheran Medical Center
- Connecticut
  - Derby, Connecticut, United States, 06418
    - Smilow Cancer Hospital-Derby Care Center
  - Fairfield, Connecticut, United States, 06824
    - Smilow Cancer Hospital Care Center-Fairfield
  - Glastonbury, Connecticut, United States, 06033
    - Smilow Cancer Hospital Care Center at Glastonbury
  - Guilford, Connecticut, United States, 06437
    - Smilow Cancer Hospital Care Center - Guiford
  - Hartford, Connecticut, United States, 06105
    - Smilow Cancer Hospital Care Center at Saint Francis
  - Middletown, Connecticut, United States, 06457
    - Middlesex Hospital
  - New Haven, Connecticut, United States, 06520
    - Yale University
  - New Haven, Connecticut, United States, 06510
    - Smilow Cancer Center/Yale-New Haven Hospital
  - North Haven, Connecticut, United States, 06473
    - Yale-New Haven Hospital North Haven Medical Center
  - Orange, Connecticut, United States, 06477
    - Smilow Cancer Hospital-Orange Care Center
  - Torrington, Connecticut, United States, 06790
    - Smilow Cancer Hospital-Torrington Care Center
  - Trumbull, Connecticut, United States, 06611
    - Smilow Cancer Hospital Care Center-Trumbull
  - Waterbury, Connecticut, United States, 06708
    - Smilow Cancer Hospital-Waterbury Care Center
  - Waterford, Connecticut, United States, 06385
    - Smilow Cancer Hospital Care Center - Waterford
- Florida
  - Aventura, Florida, United States, 33180
    - Mount Sinai Comprehensive Cancer Center at Aventura
  - Fort Lauderdale, Florida, United States, 33308
    - Holy Cross Hospital
  - Fort Myers, Florida, United States, 33905
    - Regional Cancer Center-Lee Memorial Health System
  - Fort Myers, Florida, United States, 33901
    - Lee Memorial Health System
  - Hollywood, Florida, United States, 33021
    - Memorial Regional Hospital/Joe DiMaggio Children's Hospital
  - Miami Beach, Florida, United States, 33140
    - Mount Sinai Medical Center
  - Pembroke Pines, Florida, United States, 33028
    - Memorial Hospital West
- Georgia
  - Savannah, Georgia, United States, 31405
    - Lewis Cancer and Research Pavilion at Saint Joseph's/Candler
  - Savannah, Georgia, United States, 31405
    - Summit Cancer Care-Candler
  - Savannah, Georgia, United States, 31404
    - Low Country Cancer Care
- Hawaii
  - Honolulu, Hawaii, United States, 96813
    - Queen's Medical Center
  - Honolulu, Hawaii, United States, 96817
    - The Cancer Center of Hawaii-Liliha
  - Honolulu, Hawaii, United States, 96813
    - Hawaii Cancer Care Inc - Waterfront Plaza
  - Honolulu, Hawaii, United States, 96813
    - Queen's Cancer Cenrer - POB I
  - Honolulu, Hawaii, United States, 96813
    - Straub Clinic and Hospital
  - Honolulu, Hawaii, United States, 96813
    - University of Hawaii Cancer Center
  - Honolulu, Hawaii, United States, 96817
    - Hawaii Cancer Care Inc-Liliha
  - Honolulu, Hawaii, United States, 96817
    - Kuakini Medical Center
  - Honolulu, Hawaii, United States, 96817
    - Queen's Cancer Center - Kuakini
  - Honolulu, Hawaii, United States, 96826
    - Kapiolani Medical Center for Women and Children
  - Honolulu, Hawaii, United States, 96813
    - Island Urology
  - Lihue, Hawaii, United States, 96766
    - Wilcox Memorial Hospital and Kauai Medical Clinic
  - ‘Aiea, Hawaii, United States, 96701
    - Pali Momi Medical Center
  - ‘Aiea, Hawaii, United States, 96701
    - Queen's Cancer Center - Pearlridge
  - ‘Aiea, Hawaii, United States, 96701
    - The Cancer Center of Hawaii-Pali Momi
  - ‘Aiea, Hawaii, United States, 96701
    - Hawaii Cancer Care - Savio
- Idaho
  - Boise, Idaho, United States, 83706
    - Saint Alphonsus Cancer Care Center-Boise
  - Boise, Idaho, United States, 83712
    - Saint Luke's Cancer Institute - Boise
  - Caldwell, Idaho, United States, 83605
    - Saint Alphonsus Cancer Care Center-Caldwell
  - Coeur d'Alene, Idaho, United States, 83814
    - Kootenai Health - Coeur d'Alene
  - Emmett, Idaho, United States, 83617
    - Walter Knox Memorial Hospital
  - Fruitland, Idaho, United States, 83619
    - Saint Luke's Cancer Institute - Fruitland
  - Meridian, Idaho, United States, 83642
    - Idaho Urologic Institute-Meridian
  - Meridian, Idaho, United States, 83642
    - Saint Luke's Cancer Institute - Meridian
  - Nampa, Idaho, United States, 83686
    - Saint Alphonsus Medical Center-Nampa
  - Nampa, Idaho, United States, 83686
    - Saint Luke's Cancer Institute - Nampa
  - Post Falls, Idaho, United States, 83854
    - Kootenai Clinic Cancer Services - Post Falls
  - Sandpoint, Idaho, United States, 83864
    - Kootenai Cancer Clinic
  - Twin Falls, Idaho, United States, 83301
    - Saint Luke's Cancer Institute - Twin Falls
- Illinois
  - Alton, Illinois, United States, 62002
    - Saint Anthony's Health
  - Aurora, Illinois, United States, 60504
    - Rush - Copley Medical Center
  - Bloomington, Illinois, United States, 61704
    - Illinois CancerCare-Bloomington
  - Burr Ridge, Illinois, United States, 60527
    - Loyola Center for Health at Burr Ridge
  - Canton, Illinois, United States, 61520
    - Illinois CancerCare-Canton
  - Carbondale, Illinois, United States, 62902
    - Memorial Hospital of Carbondale
  - Carterville, Illinois, United States, 62918
    - SIH Cancer Institute
  - Carthage, Illinois, United States, 62321
    - Illinois CancerCare-Carthage
  - Centralia, Illinois, United States, 62801
    - Centralia Oncology Clinic
  - Chicago, Illinois, United States, 60611
    - Northwestern University
  - Danville, Illinois, United States, 61832
    - Carle on Vermilion
  - DeKalb, Illinois, United States, 60115
    - Northwestern Medicine Cancer Center Kishwaukee
  - Decatur, Illinois, United States, 62526
    - Decatur Memorial Hospital
  - Decatur, Illinois, United States, 62526
    - Cancer Care Specialists of Illinois - Decatur
  - Dixon, Illinois, United States, 61021
    - Illinois CancerCare-Dixon
  - Effingham, Illinois, United States, 62401
    - Crossroads Cancer Center
  - Effingham, Illinois, United States, 62401
    - Carle Physician Group-Effingham
  - Eureka, Illinois, United States, 61530
    - Illinois CancerCare-Eureka
  - Galesburg, Illinois, United States, 61401
    - Western Illinois Cancer Treatment Center
  - Galesburg, Illinois, United States, 61401
    - Illinois CancerCare-Galesburg
  - Geneva, Illinois, United States, 60134
    - Northwestern Medicine Cancer Center Delnor
  - Homer Glen, Illinois, United States, 60491
    - Loyola Medicine Homer Glen
  - Kewanee, Illinois, United States, 61443
    - Illinois CancerCare-Kewanee Clinic
  - Lake Forest, Illinois, United States, 60045
    - Northwestern Medicine Lake Forest Hospital
  - Macomb, Illinois, United States, 61455
    - Illinois CancerCare-Macomb
  - Mattoon, Illinois, United States, 61938
    - Carle Physician Group-Mattoon/Charleston
  - Maywood, Illinois, United States, 60153
    - Loyola University Medical Center
  - Melrose Park, Illinois, United States, 60160
    - Marjorie Weinberg Cancer Center at Loyola-Gottlieb
  - Mount Vernon, Illinois, United States, 62864
    - Good Samaritan Regional Health Center
  - O'Fallon, Illinois, United States, 62269
    - Cancer Care Center of O'Fallon
  - Ottawa, Illinois, United States, 61350
    - Illinois CancerCare-Ottawa Clinic
  - Pekin, Illinois, United States, 61554
    - Illinois CancerCare-Pekin
  - Pekin, Illinois, United States, 61554
    - OSF Saint Francis Radiation Oncology at Pekin Cancer Treatment Center
  - Peoria, Illinois, United States, 61636
    - Methodist Medical Center of Illinois
  - Peoria, Illinois, United States, 61637
    - OSF Saint Francis Medical Center
  - Peoria, Illinois, United States, 61615
    - Illinois CancerCare-Peoria
  - Peoria, Illinois, United States, 61615
    - OSF Saint Francis Radiation Oncology at Peoria Cancer Center
  - Peru, Illinois, United States, 61354
    - Illinois CancerCare-Peru
  - Peru, Illinois, United States, 61354
    - Valley Radiation Oncology
  - Princeton, Illinois, United States, 61356
    - Illinois CancerCare-Princeton
  - Springfield, Illinois, United States, 62781
    - Memorial Medical Center
  - Springfield, Illinois, United States, 62702
    - Southern Illinois University School of Medicine
  - Springfield, Illinois, United States, 62702
    - Springfield Clinic
  - Swansea, Illinois, United States, 62226
    - Southwest Illinois Health Services LLP
  - Urbana, Illinois, United States, 61801
    - Carle Cancer Center
  - Urbana, Illinois, United States, 61801
    - The Carle Foundation Hospital
  - Warrenville, Illinois, United States, 60555
    - Northwestern Medicine Cancer Center Warrenville
  - Washington, Illinois, United States, 61571
    - Illinois CancerCare - Washington
  - Yorkville, Illinois, United States, 60560
    - Rush-Copley Healthcare Center
- Indiana
  - Indianapolis, Indiana, United States, 46237
    - Franciscan Health Indianapolis
  - Indianapolis, Indiana, United States, 46219
    - Community Cancer Center East
  - Indianapolis, Indiana, United States, 46227
    - Community Cancer Center South
  - Indianapolis, Indiana, United States, 46256
    - Community Cancer Center North
  - Kokomo, Indiana, United States, 46904
    - Community Howard Regional Health
  - Lafayette, Indiana, United States, 47905
    - Franciscan Saint Elizabeth Health - Lafayette East
  - Michigan City, Indiana, United States, 46360
    - Woodland Cancer Care Center
  - Mishawaka, Indiana, United States, 46545
    - Memorial Regional Cancer Center Day Road
  - Mooresville, Indiana, United States, 46158
    - Franciscan Health Mooresville
  - New Albany, Indiana, United States, 47150
    - Baptist Health Floyd
  - Richmond, Indiana, United States, 47374
    - Reid Health
  - South Bend, Indiana, United States, 46601
    - Memorial Hospital of South Bend
  - Terre Haute, Indiana, United States, 47804
    - Union Hospital
- Iowa
  - Carroll, Iowa, United States, 51401
    - Saint Anthony Regional Hospital
  - Clive, Iowa, United States, 50325
    - Mercy Cancer Center-West Lakes
  - Clive, Iowa, United States, 50325
    - Medical Oncology and Hematology Associates-West Des Moines
  - Council Bluffs, Iowa, United States, 51503
    - Alegent Health Mercy Hospital
  - Council Bluffs, Iowa, United States, 51502
    - Jennie Edmundson Memorial Hospital
  - Council Bluffs, Iowa, United States, 51503
    - Heartland Oncology and Hematology LLP
  - Creston, Iowa, United States, 50801
    - Greater Regional Medical Center
  - Des Moines, Iowa, United States, 50309
    - Iowa Methodist Medical Center
  - Des Moines, Iowa, United States, 50314
    - Mercy Medical Center - Des Moines
  - Des Moines, Iowa, United States, 50309
    - Medical Oncology and Hematology Associates-Des Moines
  - Des Moines, Iowa, United States, 50314
    - Broadlawns Medical Center
  - Des Moines, Iowa, United States, 50316
    - Iowa Lutheran Hospital
  - Des Moines, Iowa, United States, 50314
    - Medical Oncology and Hematology Associates-Laurel
  - Fort Dodge, Iowa, United States, 50501
    - Trinity Regional Medical Center
  - West Des Moines, Iowa, United States, 50266-7700
    - Methodist West Hospital
  - West Des Moines, Iowa, United States, 50266
    - Mercy Medical Center-West Lakes
- Kansas
  - Coffeyville, Kansas, United States, 67337
    - Coffeyville Regional Medical Center
  - Fairway, Kansas, United States, 66205
    - University of Kansas Clinical Research Center
  - Garden City, Kansas, United States, 67846
    - Central Care Cancer Center - Garden City
  - Great Bend, Kansas, United States, 67530
    - Central Care Cancer Center - Great Bend
  - Hays, Kansas, United States, 67601
    - HaysMed University of Kansas Health System
  - Kansas City, Kansas, United States, 66160
    - University of Kansas Cancer Center
  - Kansas City, Kansas, United States, 66112
    - University of Kansas Cancer Center-West
  - Lawrence, Kansas, United States, 66044
    - Lawrence Memorial Hospital
  - Lenexa, Kansas, United States, 66219
    - Kansas Institute of Medicine Cancer and Blood Center
  - Lenexa, Kansas, United States, 66219
    - Minimally Invasive Surgery Hospital
  - Olathe, Kansas, United States, 66061
    - Olathe Health Cancer Center
  - Overland Park, Kansas, United States, 66210
    - University of Kansas Cancer Center-Overland Park
  - Overland Park, Kansas, United States, 66209
    - Menorah Medical Center
  - Pittsburg, Kansas, United States, 66762
    - Ascension Via Christi - Pittsburg
  - Salina, Kansas, United States, 67401
    - Salina Regional Health Center
  - Topeka, Kansas, United States, 66606
    - University of Kansas Health System Saint Francis Campus
  - Westwood, Kansas, United States, 66205
    - University of Kansas Hospital-Westwood Cancer Center
  - Wichita, Kansas, United States, 67208
    - Cancer Center of Kansas-Wichita Medical Arts Tower
  - Wichita, Kansas, United States, 67214
    - Cancer Center of Kansas - Wichita
- Kentucky
  - Bardstown, Kentucky, United States, 40004
    - Flaget Memorial Hospital
  - Corbin, Kentucky, United States, 40701
    - Baptist Health Corbin
  - Corbin, Kentucky, United States, 40701
    - Commonwealth Cancer Center-Corbin
  - Lexington, Kentucky, United States, 40536
    - University of Kentucky/Markey Cancer Center
  - Lexington, Kentucky, United States, 40504
    - Saint Joseph Radiation Oncology Resource Center
  - Lexington, Kentucky, United States, 40509
    - Saint Joseph Hospital East
  - Lexington, Kentucky, United States, 40503
    - Baptist Health Lexington
  - London, Kentucky, United States, 40741
    - Saint Joseph London
  - Louisville, Kentucky, United States, 40202
    - Jewish Hospital
  - Louisville, Kentucky, United States, 40207
    - Baptist Health Louisville
  - Louisville, Kentucky, United States, 40215
    - Saints Mary and Elizabeth Hospital
  - Louisville, Kentucky, United States, 40245
    - Jewish Hospital Medical Center Northeast
  - Madisonville, Kentucky, United States, 42431
    - Baptist Health Madisonville/Merle Mahr Cancer Center
  - Paducah, Kentucky, United States, 42003
    - Baptist Health Paducah
  - Shepherdsville, Kentucky, United States, 40165
    - Jewish Hospital Medical Center South
- Louisiana
  - Baton Rouge, Louisiana, United States, 70809
    - Ochsner Health Center-Summa
  - Baton Rouge, Louisiana, United States, 70816
    - Medical Center of Baton Rouge
  - Baton Rouge, Louisiana, United States, 70836
    - Ochsner High Grove
  - New Orleans, Louisiana, United States, 70121
    - Ochsner Medical Center Jefferson
- Maryland
  - Baltimore, Maryland, United States, 21201
    - University of Maryland/Greenebaum Cancer Center
- Massachusetts
  - Beverly, Massachusetts, United States, 01915
    - Beverly Hospital
  - Burlington, Massachusetts, United States, 01805
    - Lahey Hospital and Medical Center
  - Gloucester, Massachusetts, United States, 01930
    - Addison Gilbert Hospital
  - Peabody, Massachusetts, United States, 01960
    - Lahey Medical Center-Peabody
  - Springfield, Massachusetts, United States, 01104
    - Mercy Medical Center
  - Winchester, Massachusetts, United States, 01890
    - Winchester Hospital
- Michigan
  - Adrian, Michigan, United States, 49221
    - Hickman Cancer Center
  - Ann Arbor, Michigan, United States, 48109
    - University of Michigan Comprehensive Cancer Center
  - Ann Arbor, Michigan, United States, 48106
    - Saint Joseph Mercy Hospital
  - Battle Creek, Michigan, United States, 49017
    - Bronson Battle Creek
  - Bay City, Michigan, United States, 48706
    - McLaren Cancer Institute-Bay City
  - Bloomfield, Michigan, United States, 48302
    - McLaren Cancer Institute-Bloomfield
  - Brighton, Michigan, United States, 48114
    - Saint Joseph Mercy Brighton
  - Brighton, Michigan, United States, 48114
    - IHA Hematology Oncology Consultants-Brighton
  - Brownstown, Michigan, United States, 48183
    - Henry Ford Cancer Institute-Downriver
  - Canton, Michigan, United States, 48188
    - Saint Joseph Mercy Canton
  - Canton, Michigan, United States, 48188
    - IHA Hematology Oncology Consultants-Canton
  - Caro, Michigan, United States, 48723
    - Caro Cancer Center
  - Chelsea, Michigan, United States, 48118
    - Saint Joseph Mercy Chelsea
  - Chelsea, Michigan, United States, 48118
    - IHA Hematology Oncology Consultants-Chelsea
  - Clarkston, Michigan, United States, 48346
    - McLaren Cancer Institute-Clarkston
  - Clarkston, Michigan, United States, 48346
    - Hematology Oncology Consultants-Clarkston
  - Clarkston, Michigan, United States, 48346
    - Newland Medical Associates-Clarkston
  - Clinton Township, Michigan, United States, 48038
    - Henry Ford Macomb Hospital-Clinton Township
  - Dearborn, Michigan, United States, 48124
    - Beaumont Hospital - Dearborn
  - Dearborn, Michigan, United States, 48126
    - Henry Ford Medical Center-Fairlane
  - Detroit, Michigan, United States, 48202
    - Henry Ford Hospital
  - Detroit, Michigan, United States, 48201
    - Wayne State University/Karmanos Cancer Institute
  - Detroit, Michigan, United States, 48236
    - Ascension Saint John Hospital
  - East China Township, Michigan, United States, 48054
    - Great Lakes Cancer Management Specialists-Doctors Park
  - Farmington Hills, Michigan, United States, 48334
    - Weisberg Cancer Treatment Center
  - Flint, Michigan, United States, 48532
    - Singh and Arora Hematology Oncology PC
  - Flint, Michigan, United States, 48503
    - Hurley Medical Center
  - Flint, Michigan, United States, 48503
    - Genesee Cancer and Blood Disease Treatment Center
  - Flint, Michigan, United States, 48503
    - Genesee Hematology Oncology PC
  - Flint, Michigan, United States, 48503
    - Genesys Hurley Cancer Institute
  - Grand Rapids, Michigan, United States, 49503
    - Spectrum Health at Butterworth Campus
  - Grand Rapids, Michigan, United States, 49503
    - Helen DeVos Children's Hospital at Spectrum Health
  - Grand Rapids, Michigan, United States, 49503
    - Mercy Health Saint Mary's
  - Grosse Pointe Woods, Michigan, United States, 48236
    - Academic Hematology Oncology Specialists
  - Grosse Pointe Woods, Michigan, United States, 48236
    - Great Lakes Cancer Management Specialists-Van Elslander Cancer Center
  - Grosse Pointe Woods, Michigan, United States, 48236
    - Michigan Breast Specialists-Grosse Pointe Woods
  - Jackson, Michigan, United States, 49201
    - Allegiance Health
  - Kalamazoo, Michigan, United States, 49007
    - West Michigan Cancer Center
  - Kalamazoo, Michigan, United States, 49007
    - Bronson Methodist Hospital
  - Kalamazoo, Michigan, United States, 49048
    - Borgess Medical Center
  - Lansing, Michigan, United States, 48912
    - Sparrow Hospital
  - Lansing, Michigan, United States, 48910
    - McLaren-Greater Lansing
  - Lansing, Michigan, United States, 48912
    - Mid-Michigan Physicians-Lansing
  - Livonia, Michigan, United States, 48154
    - Saint Mary Mercy Hospital
  - Livonia, Michigan, United States, 48154
    - Hope Cancer Clinic
  - Macomb, Michigan, United States, 48044
    - Great Lakes Cancer Management Specialists-Macomb Medical Campus
  - Macomb, Michigan, United States, 48044
    - Michigan Breast Specialists-Macomb Township
  - Marlette, Michigan, United States, 48453
    - Saint Mary's Oncology/Hematology Associates of Marlette
  - Monroe, Michigan, United States, 48162
    - Toledo Clinic Cancer Centers-Monroe
  - Mount Clemens, Michigan, United States, 48043
    - McLaren Cancer Institute-Macomb
  - Mount Pleasant, Michigan, United States, 48858
    - McLaren Cancer Institute-Central Michigan
  - Muskegon, Michigan, United States, 49444
    - Mercy Health Mercy Campus
  - Niles, Michigan, United States, 49120
    - Lakeland Hospital Niles
  - Norton Shores, Michigan, United States, 49444
    - Cancer and Hematology Centers of Western Michigan - Norton Shores
  - Novi, Michigan, United States, 48377
    - Henry Ford Medical Center-Columbus
  - Petoskey, Michigan, United States, 49770
    - McLaren Cancer Institute-Northern Michigan
  - Pontiac, Michigan, United States, 48341
    - Saint Joseph Mercy Oakland
  - Pontiac, Michigan, United States, 48341
    - 21st Century Oncology-Pontiac
  - Pontiac, Michigan, United States, 48341
    - Hope Cancer Center
  - Pontiac, Michigan, United States, 48341
    - Newland Medical Associates-Pontiac
  - Port Huron, Michigan, United States, 48060
    - McLaren-Port Huron
  - Port Huron, Michigan, United States, 48060
    - Lake Huron Medical Center
  - Port Huron, Michigan, United States, 48060
    - Huron Medical Center PC
  - Reed City, Michigan, United States, 49677
    - Spectrum Health Reed City Hospital
  - Rochester Hills, Michigan, United States, 48309
    - Great Lakes Cancer Management Specialists-Rochester Hills
  - Saginaw, Michigan, United States, 48601
    - Ascension Saint Mary's Hospital
  - Saginaw, Michigan, United States, 48604
    - Oncology Hematology Associates of Saginaw Valley PC
  - Saint Joseph, Michigan, United States, 49085
    - Lakeland Medical Center Saint Joseph
  - Saint Joseph, Michigan, United States, 49085
    - Marie Yeager Cancer Center
  - Shelby, Michigan, United States, 48315
    - Henry Ford Macomb Health Center - Shelby Township
  - Sterling Heights, Michigan, United States, 48312
    - Bhadresh Nayak MD PC-Sterling Heights
  - Tawas City, Michigan, United States, 48764
    - Ascension Saint Joseph Hospital
  - Traverse City, Michigan, United States, 49684
    - Munson Medical Center
  - Warren, Michigan, United States, 48093
    - Saint John Macomb-Oakland Hospital
  - Warren, Michigan, United States, 48088
    - Advanced Breast Care Center PLLC
  - Warren, Michigan, United States, 48093
    - Great Lakes Cancer Management Specialists-Macomb Professional Building
  - Warren, Michigan, United States, 48093
    - Macomb Hematology Oncology PC
  - Warren, Michigan, United States, 48093
    - Michigan Breast Specialists-Warren
  - West Bloomfield, Michigan, United States, 48322
    - Henry Ford West Bloomfield Hospital
  - West Branch, Michigan, United States, 48661
    - Saint Mary's Oncology/Hematology Associates of West Branch
  - Wyoming, Michigan, United States, 49519
    - Metro Health Hospital
  - Ypsilanti, Michigan, United States, 48106
    - Huron Gastroenterology PC
  - Ypsilanti, Michigan, United States, 48197
    - IHA Hematology Oncology Consultants-Ann Arbor
- Minnesota
  - Aitkin, Minnesota, United States, 56431
    - Riverwood Healthcare Center
  - Brainerd, Minnesota, United States, 56401
    - Essentia Health Saint Joseph's Medical Center
  - Burnsville, Minnesota, United States, 55337
    - Fairview Ridges Hospital
  - Burnsville, Minnesota, United States, 55337
    - Minnesota Oncology - Burnsville
  - Cambridge, Minnesota, United States, 55008
    - Cambridge Medical Center
  - Coon Rapids, Minnesota, United States, 55433
    - Mercy Hospital
  - Deer River, Minnesota, United States, 56636
    - Essentia Health - Deer River Clinic
  - Detroit Lakes, Minnesota, United States, 56501
    - Essentia Health Saint Mary's - Detroit Lakes Clinic
  - Duluth, Minnesota, United States, 55805
    - Essentia Health Cancer Center
  - Duluth, Minnesota, United States, 55805
    - Essentia Health Saint Mary's Medical Center
  - Duluth, Minnesota, United States, 55805
    - Miller-Dwan Hospital
  - Edina, Minnesota, United States, 55435
    - Fairview Southdale Hospital
  - Fergus Falls, Minnesota, United States, 56537
    - Lake Region Healthcare Corporation-Cancer Care
  - Fosston, Minnesota, United States, 56542
    - Essentia Health - Fosston
  - Fridley, Minnesota, United States, 55432
    - Unity Hospital
  - Hibbing, Minnesota, United States, 55746
    - Essentia Health Hibbing Clinic
  - Maple Grove, Minnesota, United States, 55369
    - Fairview Clinics and Surgery Center Maple Grove
  - Maplewood, Minnesota, United States, 55109
    - Saint John's Hospital - Healtheast
  - Maplewood, Minnesota, United States, 55109
    - Minnesota Oncology Hematology PA-Maplewood
  - Minneapolis, Minnesota, United States, 55415
    - Hennepin County Medical Center
  - Minneapolis, Minnesota, United States, 55407
    - Abbott-Northwestern Hospital
  - Minneapolis, Minnesota, United States, 55454
    - Health Partners Inc
  - Monticello, Minnesota, United States, 55362
    - Monticello Cancer Center
  - New Ulm, Minnesota, United States, 56073
    - New Ulm Medical Center
  - Park Rapids, Minnesota, United States, 56470
    - Essentia Health - Park Rapids
  - Princeton, Minnesota, United States, 55371
    - Fairview Northland Medical Center
  - Robbinsdale, Minnesota, United States, 55422
    - North Memorial Medical Health Center
  - Saint Cloud, Minnesota, United States, 56303
    - Coborn Cancer Center at Saint Cloud Hospital
  - Saint Louis Park, Minnesota, United States, 55416
    - Park Nicollet Clinic - Saint Louis Park
  - Saint Paul, Minnesota, United States, 55101
    - Regions Hospital
  - Saint Paul, Minnesota, United States, 55102
    - United Hospital
  - Sandstone, Minnesota, United States, 55072
    - Essentia Health Sandstone
  - Shakopee, Minnesota, United States, 55379
    - Saint Francis Regional Medical Center
  - Stillwater, Minnesota, United States, 55082
    - Lakeview Hospital
  - Virginia, Minnesota, United States, 55792
    - Essentia Health Virginia Clinic
  - Waconia, Minnesota, United States, 55387
    - Ridgeview Medical Center
  - Willmar, Minnesota, United States, 56201
    - Rice Memorial Hospital
  - Woodbury, Minnesota, United States, 55125
    - Minnesota Oncology Hematology PA-Woodbury
  - Wyoming, Minnesota, United States, 55092
    - Fairview Lakes Medical Center
- Mississippi
  - Pascagoula, Mississippi, United States, 39581
    - Singing River Hospital
- Missouri
  - Ballwin, Missouri, United States, 63011
    - Saint Louis Cancer and Breast Institute-Ballwin
  - Bolivar, Missouri, United States, 65613
    - Central Care Cancer Center - Bolivar
  - Bonne Terre, Missouri, United States, 63628
    - Parkland Health Center-Bonne Terre
  - Branson, Missouri, United States, 65616
    - Cox Cancer Center Branson
  - Cape Girardeau, Missouri, United States, 63703
    - Saint Francis Medical Center
  - Cape Girardeau, Missouri, United States, 63703
    - Southeast Cancer Center
  - City of Saint Peters, Missouri, United States, 63376
    - Siteman Cancer Center at Saint Peters Hospital
  - Creve Coeur, Missouri, United States, 63141
    - Siteman Cancer Center at West County Hospital
  - Farmington, Missouri, United States, 63640
    - Parkland Health Center - Farmington
  - Independence, Missouri, United States, 64057
    - Centerpoint Medical Center LLC
  - Jefferson City, Missouri, United States, 65109
    - Capital Region Southwest Campus
  - Joplin, Missouri, United States, 64804
    - Freeman Health System
  - Joplin, Missouri, United States, 64804
    - Mercy Hospital Joplin
  - Kansas City, Missouri, United States, 64128
    - Kansas City Veterans Affairs Medical Center
  - Kansas City, Missouri, United States, 64154
    - University of Kansas Cancer Center - North
  - Kansas City, Missouri, United States, 64132
    - Research Medical Center
  - Kansas City, Missouri, United States, 64108
    - Truman Medical Centers
  - Lee's Summit, Missouri, United States, 64064
    - University of Kansas Cancer Center - Lee's Summit
  - Rolla, Missouri, United States, 65401
    - Delbert Day Cancer Institute at PCRMC
  - Rolla, Missouri, United States, 65401
    - Mercy Clinic-Rolla-Cancer and Hematology
  - Saint Joseph, Missouri, United States, 64506
    - Heartland Regional Medical Center
  - Sainte Genevieve, Missouri, United States, 63670
    - Sainte Genevieve County Memorial Hospital
  - Springfield, Missouri, United States, 65807
    - CoxHealth South Hospital
  - Springfield, Missouri, United States, 65804
    - Mercy Hospital Springfield
  - St Louis, Missouri, United States, 63110
    - Washington University School of Medicine
  - St Louis, Missouri, United States, 63129
    - Siteman Cancer Center-South County
  - St Louis, Missouri, United States, 63136
    - Siteman Cancer Center at Christian Hospital
  - St Louis, Missouri, United States, 63131
    - Missouri Baptist Medical Center
  - St Louis, Missouri, United States, 63141
    - Mercy Hospital Saint Louis
  - St Louis, Missouri, United States, 63128
    - Mercy Hospital South
  - St Louis, Missouri, United States, 63109
    - Saint Louis Cancer and Breast Institute-South City
  - Sullivan, Missouri, United States, 63080
    - Missouri Baptist Sullivan Hospital
  - Sunset Hills, Missouri, United States, 63127
    - Missouri Baptist Outpatient Center-Sunset Hills
  - Washington, Missouri, United States, 63090
    - Mercy Hospital Washington
- Montana
  - Anaconda, Montana, United States, 59711
    - Community Hospital of Anaconda
  - Billings, Montana, United States, 59101
    - Billings Clinic Cancer Center
  - Billings, Montana, United States, 59101
    - Saint Vincent Healthcare
  - Billings, Montana, United States, 59102
    - Saint Vincent Frontier Cancer Center
  - Bozeman, Montana, United States, 59715
    - Bozeman Deaconess Hospital
  - Butte, Montana, United States, 59701
    - Saint James Community Hospital and Cancer Treatment Center
  - Great Falls, Montana, United States, 59405
    - Great Falls Clinic
  - Great Falls, Montana, United States, 59405
    - Benefis Healthcare- Sletten Cancer Institute
  - Helena, Montana, United States, 59601
    - Saint Peter's Community Hospital
  - Kalispell, Montana, United States, 59901
    - Kalispell Regional Medical Center
  - Missoula, Montana, United States, 59804
    - Community Medical Hospital
  - Missoula, Montana, United States, 59802
    - Saint Patrick Hospital - Community Hospital
- Nebraska
  - Grand Island, Nebraska, United States, 68803
    - CHI Health Saint Francis
  - Kearney, Nebraska, United States, 68847
    - CHI Health Good Samaritan
  - Kearney, Nebraska, United States, 68845
    - Heartland Hematology and Oncology
  - Lincoln, Nebraska, United States, 68510
    - Saint Elizabeth Regional Medical Center
  - Omaha, Nebraska, United States, 68114
    - Nebraska Methodist Hospital
  - Omaha, Nebraska, United States, 68124
    - Alegent Health Bergan Mercy Medical Center
  - Omaha, Nebraska, United States, 68122
    - Alegent Health Immanuel Medical Center
  - Omaha, Nebraska, United States, 68130
    - Alegent Health Lakeside Hospital
  - Omaha, Nebraska, United States, 68131
    - Creighton University Medical Center
  - Omaha, Nebraska, United States, 68122
    - Hematology and Oncology Consultants PC
  - Papillion, Nebraska, United States, 68046
    - Midlands Community Hospital
- Nevada
  - Carson City, Nevada, United States, 89703
    - Carson Tahoe Regional Medical Center
  - Henderson, Nevada, United States, 89052
    - Comprehensive Cancer Centers of Nevada - Henderson
  - Henderson, Nevada, United States, 89052
    - OptumCare Cancer Care at Seven Hills
  - Henderson, Nevada, United States, 89052
    - Cancer and Blood Specialists-Henderson
  - Henderson, Nevada, United States, 89052
    - Las Vegas Cancer Center-Henderson
  - Henderson, Nevada, United States, 89074
    - Comprehensive Cancer Centers of Nevada-Southeast Henderson
  - Henderson, Nevada, United States, 89074
    - 21st Century Oncology-Henderson
  - Henderson, Nevada, United States, 89052
    - Comprehensive Cancer Centers of Nevada-Horizon Ridge
  - Henderson, Nevada, United States, 89074
    - Las Vegas Urology - Green Valley
  - Henderson, Nevada, United States, 89074
    - Las Vegas Urology - Pebble
  - Henderson, Nevada, United States, 89074
    - Urology Specialists of Nevada - Green Valley
  - Las Vegas, Nevada, United States, 89144
    - Summerlin Hospital Medical Center
  - Las Vegas, Nevada, United States, 89109
    - Sunrise Hospital and Medical Center
  - Las Vegas, Nevada, United States, 89102
    - OptumCare Cancer Care at Charleston
  - Las Vegas, Nevada, United States, 89106
    - Radiation Oncology Centers of Nevada Central
  - Las Vegas, Nevada, United States, 89119
    - Radiation Oncology Centers of Nevada Southeast
  - Las Vegas, Nevada, United States, 89128
    - Comprehensive Cancer Centers of Nevada - Northwest
  - Las Vegas, Nevada, United States, 89128
    - OptumCare Cancer Care at MountainView
  - Las Vegas, Nevada, United States, 89135
    - Alliance for Childhood Diseases/Cure 4 the Kids Foundation
  - Las Vegas, Nevada, United States, 89144
    - Comprehensive Cancer Centers of Nevada - Town Center
  - Las Vegas, Nevada, United States, 89144
    - Comprehensive Cancer Centers of Nevada-Summerlin
  - Las Vegas, Nevada, United States, 89148
    - Comprehensive Cancer Centers of Nevada
  - Las Vegas, Nevada, United States, 89148
    - OptumCare Cancer Care at Fort Apache
  - Las Vegas, Nevada, United States, 89169
    - Comprehensive Cancer Centers of Nevada - Central Valley
  - Las Vegas, Nevada, United States, 89102
    - University Medical Center of Southern Nevada
  - Las Vegas, Nevada, United States, 89106
    - Cancer and Blood Specialists-Shadow
  - Las Vegas, Nevada, United States, 89109
    - HealthCare Partners Medical Group Oncology/Hematology-Maryland Parkway
  - Las Vegas, Nevada, United States, 89113
    - HealthCare Partners Medical Group Oncology/Hematology-San Martin
  - Las Vegas, Nevada, United States, 89121
    - Cancer Therapy and Integrative Medicine
  - Las Vegas, Nevada, United States, 89128
    - Cancer and Blood Specialists-Tenaya
  - Las Vegas, Nevada, United States, 89128
    - HealthCare Partners Medical Group Oncology/Hematology-Tenaya
  - Las Vegas, Nevada, United States, 89148-2405
    - Las Vegas Cancer Center-Medical Center
  - Las Vegas, Nevada, United States, 89149
    - HealthCare Partners Medical Group Oncology/Hematology-Centennial Hills
  - Las Vegas, Nevada, United States, 89109
    - 21st Century Oncology
  - Las Vegas, Nevada, United States, 89128
    - 21st Century Oncology-Vegas Tenaya
  - Las Vegas, Nevada, United States, 89148
    - 21st Century Oncology-Fort Apache
  - Las Vegas, Nevada, United States, 89128
    - Ann M Wierman MD LTD
  - Las Vegas, Nevada, United States, 89074
    - Las Vegas Urology - Pecos
  - Las Vegas, Nevada, United States, 89102
    - Desert West Surgery
  - Las Vegas, Nevada, United States, 89103
    - Hope Cancer Care of Nevada
  - Las Vegas, Nevada, United States, 89106
    - Urology Specialists of Nevada - Central
  - Las Vegas, Nevada, United States, 89113
    - Las Vegas Prostate Cancer Center
  - Las Vegas, Nevada, United States, 89113
    - Las Vegas Urology - Sunset
  - Las Vegas, Nevada, United States, 89128
    - Las Vegas Urology - Cathedral Rock
  - Las Vegas, Nevada, United States, 89128
    - Las Vegas Urology - Smoke Ranch
  - Las Vegas, Nevada, United States, 89128
    - Urology Specialists of Nevada - Northwest
  - Las Vegas, Nevada, United States, 89148
    - Urology Specialists of Nevada - Southwest
  - Las Vegas, Nevada, United States, 89169
    - University Cancer Center
  - Pahrump, Nevada, United States, 89048
    - Hope Cancer Care of Nevada-Pahrump
  - Reno, Nevada, United States, 89502
    - Renown Regional Medical Center
  - Reno, Nevada, United States, 89503
    - Saint Mary's Regional Medical Center
  - Reno, Nevada, United States, 89509
    - Radiation Oncology Associates
- New Hampshire
  - Lebanon, New Hampshire, United States, 03756
    - Dartmouth Hitchcock Medical Center
  - Manchester, New Hampshire, United States, 03102
    - Norris Cotton Cancer Center-Manchester
  - Nashua, New Hampshire, United States, 03063
    - Norris Cotton Cancer Center-Nashua
- New Jersey
  - Cape May Court House, New Jersey, United States, 08210
    - AtlantiCare Health Park-Cape May Court House
  - Egg Harbor, New Jersey, United States, 08234
    - AtlantiCare Surgery Center
  - Mullica Hill, New Jersey, United States, 08062
    - Inspira Medical Center Mullica Hill
  - New Brunswick, New Jersey, United States, 08903
    - Rutgers Cancer Institute of New Jersey
  - Newark, New Jersey, United States, 07112
    - Newark Beth Israel Medical Center
  - Vineland, New Jersey, United States, 08360
    - Inspira Medical Center Vineland
- New Mexico
  - Albuquerque, New Mexico, United States, 87102
    - University of New Mexico Cancer Center
  - Albuquerque, New Mexico, United States, 87102
    - Lovelace Medical Center-Saint Joseph Square
  - Albuquerque, New Mexico, United States, 87109
    - New Mexico Oncology Hematology Consultants
  - Albuquerque, New Mexico, United States, 87106
    - New Mexico Cancer Care Alliance
  - Albuquerque, New Mexico, United States, 87110
    - Presbyterian Kaseman Hospital
  - Las Cruces, New Mexico, United States, 88011
    - Memorial Medical Center - Las Cruces
  - Rio Rancho, New Mexico, United States, 87124
    - Presbyterian Rust Medical Center/Jorgensen Cancer Center
- North Carolina
  - Albemarle, North Carolina, United States, 28002
    - Atrium Health Stanly/LCI-Albemarle
  - Asheville, North Carolina, United States, 28803
    - AdventHealth Infusion Center Asheville
  - Charlotte, North Carolina, United States, 28203
    - Carolinas Medical Center/Levine Cancer Institute
  - Charlotte, North Carolina, United States, 28210
    - Atrium Health Pineville/LCI-Pineville
  - Charlotte, North Carolina, United States, 28262
    - Atrium Health University City/LCI-University
  - Charlotte, North Carolina, United States, 28211
    - Levine Cancer Institute-SouthPark
  - Charlotte, North Carolina, United States, 28277
    - Levine Cancer Institute-Ballantyne
  - Clinton, North Carolina, United States, 28328
    - Southeastern Medical Oncology Center-Clinton
  - Clyde, North Carolina, United States, 28721
    - AdventHealth Infusion Center Haywood
  - Concord, North Carolina, United States, 28025
    - Atrium Health Cabarrus/LCI-Concord
  - Forest City, North Carolina, United States, 28043
    - Levine Cancer Institute - Rutherford
  - Gastonia, North Carolina, United States, 28054
    - CaroMont Regional Medical Center
  - Gastonia, North Carolina, United States, 28054
    - Levine Cancer Institute-Gaston
  - Goldsboro, North Carolina, United States, 27534
    - Southeastern Medical Oncology Center-Goldsboro
  - Goldsboro, North Carolina, United States, 27534
    - Wayne Memorial Hospital
  - Hendersonville, North Carolina, United States, 28792
    - AdventHealth Hendersonville
  - Jacksonville, North Carolina, United States, 28546
    - Southeastern Medical Oncology Center-Jacksonville
  - Jacksonville, North Carolina, United States, 28546
    - Onslow Memorial Hospital
  - Kenansville, North Carolina, United States, 28349
    - Vidant Oncology-Kenansville
  - Kinston, North Carolina, United States, 28501
    - Vidant Oncology-Kinston
  - Lincolnton, North Carolina, United States, 28092
    - Atrium Health Lincoln/LCI-Lincolnton
  - Monroe, North Carolina, United States, 28112
    - Atrium Health Union/LCI-Union
  - Richlands, North Carolina, United States, 28574
    - Vidant Oncology-Richlands
  - Shelby, North Carolina, United States, 28150
    - Atrium Health Cleveland/LCI-Cleveland
  - Smithfield, North Carolina, United States, 27577
    - Johnston Memorial Hospital
  - Weaverville, North Carolina, United States, 28787
    - AdventHealth Infusion Center Weaverville
- North Dakota
  - Fargo, North Dakota, United States, 58103
    - Essentia Health Cancer Center-South University Clinic
  - Grand Forks, North Dakota, United States, 58201
    - Altru Cancer Center
  - Jamestown, North Dakota, United States, 58401
    - Essentia Health - Jamestown Clinic
- Ohio
  - Akron, Ohio, United States, 44307
    - Cleveland Clinic Akron General
  - Beavercreek, Ohio, United States, 45431
    - Indu and Raj Soin Medical Center
  - Belpre, Ohio, United States, 45714
    - Strecker Cancer Center-Belpre
  - Boardman, Ohio, United States, 44512
    - Saint Elizabeth Boardman Hospital
  - Centerville, Ohio, United States, 45459
    - Miami Valley Hospital South
  - Centerville, Ohio, United States, 45459
    - Dayton Physicians LLC-Miami Valley South
  - Chillicothe, Ohio, United States, 45601
    - Adena Regional Medical Center
  - Cincinnati, Ohio, United States, 45220
    - Good Samaritan Hospital - Cincinnati
  - Cincinnati, Ohio, United States, 45242
    - Bethesda North Hospital
  - Cincinnati, Ohio, United States, 45236
    - Oncology Hematology Care Inc-Kenwood
  - Cincinnati, Ohio, United States, 45247
    - TriHealth Cancer Institute-Westside
  - Cincinnati, Ohio, United States, 45255
    - TriHealth Cancer Institute-Anderson
  - Columbus, Ohio, United States, 43214
    - Riverside Methodist Hospital
  - Columbus, Ohio, United States, 43210
    - Ohio State University Comprehensive Cancer Center
  - Columbus, Ohio, United States, 43219
    - The Mark H Zangmeister Center
  - Columbus, Ohio, United States, 43214
    - Columbus Oncology and Hematology Associates Inc
  - Columbus, Ohio, United States, 43228
    - Doctors Hospital
  - Columbus, Ohio, United States, 43213
    - Mount Carmel East Hospital
  - Columbus, Ohio, United States, 43215
    - Grant Medical Center
  - Columbus, Ohio, United States, 43222
    - Mount Carmel Health Center West
  - Dayton, Ohio, United States, 45406
    - Good Samaritan Hospital - Dayton
  - Dayton, Ohio, United States, 45409
    - Miami Valley Hospital
  - Dayton, Ohio, United States, 45415
    - Dayton Physician LLC-Miami Valley Hospital North
  - Dayton, Ohio, United States, 45415
    - Miami Valley Hospital North
  - Delaware, Ohio, United States, 43015
    - Delaware Health Center-Grady Cancer Center
  - Delaware, Ohio, United States, 43015
    - Delaware Radiation Oncology
  - Delaware, Ohio, United States, 43015
    - Grady Memorial Hospital
  - Dublin, Ohio, United States, 43016
    - Dublin Methodist Hospital
  - Findlay, Ohio, United States, 45840
    - Blanchard Valley Hospital
  - Findlay, Ohio, United States, 45840
    - Armes Family Cancer Center
  - Findlay, Ohio, United States, 45840
    - Orion Cancer Care
  - Franklin, Ohio, United States, 45005-1066
    - Atrium Medical Center-Middletown Regional Hospital
  - Franklin, Ohio, United States, 45005
    - Dayton Physicians LLC-Atrium
  - Greenville, Ohio, United States, 45331
    - Wayne Hospital
  - Greenville, Ohio, United States, 45331
    - Dayton Physicians LLC-Wayne
  - Grove City, Ohio, United States, 43123
    - Mount Carmel Grove City Hospital
  - Kettering, Ohio, United States, 45429
    - Kettering Medical Center
  - Kettering, Ohio, United States, 45409
    - Greater Dayton Cancer Center
  - Kettering, Ohio, United States, 45420
    - First Dayton Cancer Care
  - Lancaster, Ohio, United States, 43130
    - Fairfield Medical Center
  - Lima, Ohio, United States, 45801
    - Saint Rita's Medical Center
  - Mansfield, Ohio, United States, 44903
    - OhioHealth Mansfield Hospital
  - Marietta, Ohio, United States, 45750
    - Marietta Memorial Hospital
  - Marion, Ohio, United States, 43302
    - OhioHealth Marion General Hospital
  - Maumee, Ohio, United States, 43537
    - Toledo Clinic Cancer Centers-Maumee
  - Maumee, Ohio, United States, 43537
    - Toledo Radiation Oncology at Northwest Ohio Onocolgy Center
  - Mount Vernon, Ohio, United States, 43050
    - Knox Community Hospital
  - Newark, Ohio, United States, 43055
    - Licking Memorial Hospital
  - Newark, Ohio, United States, 43055
    - Newark Radiation Oncology
  - Perrysburg, Ohio, United States, 43551
    - Mercy Health Perrysburg Cancer Center
  - Portsmouth, Ohio, United States, 45662
    - Southern Ohio Medical Center
  - Springfield, Ohio, United States, 45505
    - Springfield Regional Medical Center
  - Springfield, Ohio, United States, 45504
    - Springfield Regional Cancer Center
  - Toledo, Ohio, United States, 43608
    - Saint Vincent Mercy Medical Center
  - Toledo, Ohio, United States, 43623
    - Mercy Health - Saint Anne Hospital
  - Toledo, Ohio, United States, 43623
    - Toledo Clinic Cancer Centers-Toledo
  - Troy, Ohio, United States, 45373
    - Upper Valley Medical Center
  - Troy, Ohio, United States, 45373
    - Dayton Physicians LLC-Upper Valley
  - Warren, Ohio, United States, 44484
    - Saint Joseph Warren Hospital
  - Westerville, Ohio, United States, 43081
    - Saint Ann's Hospital
  - Youngstown, Ohio, United States, 44501
    - Saint Elizabeth Youngstown Hospital
  - Zanesville, Ohio, United States, 43701
    - Genesis Healthcare System Cancer Care Center
- Oklahoma
  - Lawton, Oklahoma, United States, 73505
    - Cancer Centers of Southwest Oklahoma Research
  - Oklahoma City, Oklahoma, United States, 73104
    - University of Oklahoma Health Sciences Center
  - Oklahoma City, Oklahoma, United States, 73120
    - Mercy Hospital Oklahoma City
  - Oklahoma City, Oklahoma, United States, 73109
    - Integris Southwest Medical Center
  - Oklahoma City, Oklahoma, United States, 73142
    - Integris Cancer Institute of Oklahoma
  - Tulsa, Oklahoma, United States, 74146
    - Oklahoma Cancer Specialists and Research Institute-Tulsa
- Oregon
  - Baker City, Oregon, United States, 97814
    - Saint Alphonsus Medical Center-Baker City
  - Bend, Oregon, United States, 97701
    - Saint Charles Health System
  - Clackamas, Oregon, United States, 97015
    - Clackamas Radiation Oncology Center
  - Clackamas, Oregon, United States, 97015
    - Providence Cancer Institute Clackamas Clinic
  - Coos Bay, Oregon, United States, 97420
    - Bay Area Hospital
  - Newberg, Oregon, United States, 97132
    - Providence Newberg Medical Center
  - Ontario, Oregon, United States, 97914
    - Saint Alphonsus Medical Center-Ontario
  - Portland, Oregon, United States, 97213
    - Providence Portland Medical Center
  - Portland, Oregon, United States, 97225
    - Providence Saint Vincent Medical Center
  - Redmond, Oregon, United States, 97756
    - Saint Charles Health System-Redmond
- Pennsylvania
  - Allentown, Pennsylvania, United States, 18103
    - Lehigh Valley Hospital-Cedar Crest
  - Bethlehem, Pennsylvania, United States, 18017
    - Lehigh Valley Hospital - Muhlenberg
  - Bryn Mawr, Pennsylvania, United States, 19010
    - Bryn Mawr Hospital
  - Collegeville, Pennsylvania, United States, 19426
    - Main Line Health Center-Collegeville
  - Danville, Pennsylvania, United States, 17822
    - Geisinger Medical Center
  - East Stroudsburg, Pennsylvania, United States, 18301
    - Pocono Medical Center
  - Exton, Pennsylvania, United States, 19341
    - Main Line Health Center-Exton
  - Hazleton, Pennsylvania, United States, 18201
    - Geisinger Medical Center-Cancer Center Hazleton
  - Hazleton, Pennsylvania, United States, 18201
    - Lehigh Valley Hospital-Hazleton
  - Lewisburg, Pennsylvania, United States, 17837
    - Geisinger Medical Oncology-Lewisburg
  - Lewistown, Pennsylvania, United States, 17044
    - Lewistown Hospital
  - Media, Pennsylvania, United States, 19063
    - Riddle Memorial Hospital
  - Newtown Square, Pennsylvania, United States, 19073
    - Bryn Mawr Health Center
  - Paoli, Pennsylvania, United States, 19301
    - Paoli Memorial Hospital
  - Philadelphia, Pennsylvania, United States, 19111
    - Fox Chase Cancer Center
  - Philadelphia, Pennsylvania, United States, 19140
    - Temple University Hospital
  - Pottstown, Pennsylvania, United States, 19464
    - Pottstown Hospital
  - Pottsville, Pennsylvania, United States, 17901
    - Geisinger Cancer Services-Pottsville
  - Scranton, Pennsylvania, United States, 18510
    - Community Medical Center
  - Selinsgrove, Pennsylvania, United States, 17870
    - Geisinger Medical Oncology-Selinsgrove
  - State College, Pennsylvania, United States, 16801
    - Geisinger Medical Group
  - West Reading, Pennsylvania, United States, 19611
    - Reading Hospital
  - Wilkes-Barre, Pennsylvania, United States, 18711
    - Geisinger Wyoming Valley/Henry Cancer Center
  - Wynnewood, Pennsylvania, United States, 19096
    - Lankenau Medical Center
- Rhode Island
  - Warwick, Rhode Island, United States, 02886
    - Kent Hospital
- South Carolina
  - Bluffton, South Carolina, United States, 29910
    - Saint Joseph's/Candler - Bluffton Campus
  - Hilton Head Island, South Carolina, United States, 29926-3827
    - South Carolina Cancer Specialists PC
  - Rock Hill, South Carolina, United States, 29732
    - Levine Cancer Institute-Rock Hill
- Tennessee
  - Chattanooga, Tennessee, United States, 37404
    - Memorial Hospital
  - Hixson, Tennessee, United States, 37343
    - Pulmonary Medicine Center of Chattanooga-Hixson
  - Ooltewah, Tennessee, United States, 37363
    - Memorial GYN Plus
- Texas
  - Baytown, Texas, United States, 77521
    - Houston Methodist San Jacinto Hospital
  - Bryan, Texas, United States, 77802
    - Saint Joseph Regional Cancer Center
  - Dallas, Texas, United States, 75235
    - Parkland Memorial Hospital
  - Dallas, Texas, United States, 75390
    - UT Southwestern/Simmons Cancer Center-Dallas
  - Fort Worth, Texas, United States, 76104
    - UT Southwestern/Simmons Cancer Center-Fort Worth
  - Houston, Texas, United States, 77030
    - M D Anderson Cancer Center
  - Houston, Texas, United States, 77030
    - Houston Methodist Hospital
  - Houston, Texas, United States, 77070
    - Methodist Willowbrook Hospital
  - Richardson, Texas, United States, 75080
    - UT Southwestern Clinical Center at Richardson/Plano
  - Round Rock, Texas, United States, 78665
    - Scott and White Healthcare Round Rock
  - Sugar Land, Texas, United States, 77479
    - Houston Methodist Sugar Land Hospital
  - Temple, Texas, United States, 76508
    - Scott and White Memorial Hospital
- Utah
  - American Fork, Utah, United States, 84003
    - American Fork Hospital / Huntsman Intermountain Cancer Center
  - Cedar City, Utah, United States, 84720
    - Sandra L Maxwell Cancer Center
  - Farmington, Utah, United States, 84025
    - Farmington Health Center
  - Logan, Utah, United States, 84321
    - Logan Regional Hospital
  - Murray, Utah, United States, 84107
    - Intermountain Medical Center
  - Ogden, Utah, United States, 84403
    - McKay-Dee Hospital Center
  - Provo, Utah, United States, 84604
    - Utah Valley Regional Medical Center
  - Riverton, Utah, United States, 84065
    - Riverton Hospital
  - Salt Lake City, Utah, United States, 84112
    - Huntsman Cancer Institute/University of Utah
  - Salt Lake City, Utah, United States, 84106
    - Utah Cancer Specialists-Salt Lake City
  - Salt Lake City, Utah, United States, 84143
    - LDS Hospital
  - South Jordan, Utah, United States, 84009
    - South Jordan Health Center
  - St. George, Utah, United States, 84770
    - Dixie Medical Center Regional Cancer Center
- Vermont
  - Saint Johnsbury, Vermont, United States, 05819
    - Norris Cotton Cancer Center-North
- Washington
  - Aberdeen, Washington, United States, 98520
    - Providence Regional Cancer System-Aberdeen
  - Auburn, Washington, United States, 98001
    - MultiCare Auburn Medical Center
  - Bellevue, Washington, United States, 98004
    - Overlake Medical Center
  - Bellingham, Washington, United States, 98225
    - PeaceHealth Saint Joseph Medical Center
  - Bremerton, Washington, United States, 98310
    - Harrison HealthPartners Hematology and Oncology-Bremerton
  - Bremerton, Washington, United States, 98310
    - Harrison Medical Center
  - Burien, Washington, United States, 98166
    - Highline Medical Center-Main Campus
  - Centralia, Washington, United States, 98531
    - Providence Regional Cancer System-Centralia
  - Edmonds, Washington, United States, 98026
    - Swedish Cancer Institute-Edmonds
  - Enumclaw, Washington, United States, 98022
    - Saint Elizabeth Hospital
  - Everett, Washington, United States, 98201
    - Providence Regional Cancer Partnership
  - Federal Way, Washington, United States, 98003
    - Saint Francis Hospital
  - Gig Harbor, Washington, United States, 98335
    - MultiCare Gig Harbor Medical Park
  - Issaquah, Washington, United States, 98029
    - Swedish Cancer Institute-Issaquah
  - Kennewick, Washington, United States, 99336
    - Kadlec Clinic Hematology and Oncology
  - Lacey, Washington, United States, 98503
    - Providence Regional Cancer System-Lacey
  - Lakewood, Washington, United States, 98499
    - Saint Clare Hospital
  - Longview, Washington, United States, 98632
    - PeaceHealth Saint John Medical Center
  - Port Townsend, Washington, United States, 98368
    - Jefferson Healthcare
  - Poulsbo, Washington, United States, 98370
    - Harrison HealthPartners Hematology and Oncology-Poulsbo
  - Puyallup, Washington, United States, 98372
    - MultiCare Good Samaritan Hospital
  - Renton, Washington, United States, 98055
    - Valley Medical Center
  - Seattle, Washington, United States, 98107
    - Swedish Medical Center-Ballard Campus
  - Seattle, Washington, United States, 98112
    - Kaiser Permanente Washington
  - Seattle, Washington, United States, 98104
    - Pacific Gynecology Specialists
  - Seattle, Washington, United States, 98122-4307
    - Swedish Medical Center-First Hill
  - Seattle, Washington, United States, 98122-5711
    - Swedish Medical Center-Cherry Hill
  - Sedro-Woolley, Washington, United States, 98284
    - PeaceHealth United General Medical Center
  - Shelton, Washington, United States, 98584
    - Providence Regional Cancer System-Shelton
  - Spokane, Washington, United States, 99204
    - MultiCare Deaconess Cancer and Blood Specialty Center - Downtown
  - Spokane, Washington, United States, 99218
    - MultiCare Deaconess Cancer and Blood Specialty Center - North
  - Spokane Valley, Washington, United States, 99216
    - MultiCare Deaconess Cancer and Blood Specialty Center - Valley
  - Tacoma, Washington, United States, 98405
    - Mary Bridge Children's Hospital and Health Center
  - Tacoma, Washington, United States, 98405
    - Northwest Medical Specialties PLLC
  - Tacoma, Washington, United States, 98405
    - MultiCare Tacoma General Hospital
  - Tacoma, Washington, United States, 98405
    - Franciscan Research Center-Northwest Medical Plaza
  - Vancouver, Washington, United States, 98664
    - PeaceHealth Southwest Medical Center
  - Walla Walla, Washington, United States, 99362
    - Providence Saint Mary Regional Cancer Center
  - Yakima, Washington, United States, 98902
    - North Star Lodge Cancer Center at Yakima Valley Memorial Hospital
  - Yelm, Washington, United States, 98597
    - Providence Regional Cancer System-Yelm
- West Virginia
  - Bridgeport, West Virginia, United States, 26330
    - United Hospital Center
  - Huntington, West Virginia, United States, 25701
    - Edwards Comprehensive Cancer Center
  - Martinsburg, West Virginia, United States, 25401
    - WVUH-Berkely Medical Center
  - Morgantown, West Virginia, United States, 26506
    - West Virginia University Healthcare
  - Parkersburg, West Virginia, United States, 26101
    - Camden Clark Medical Center
- Wisconsin
  - Ashland, Wisconsin, United States, 54806
    - Duluth Clinic Ashland
  - Ashland, Wisconsin, United States, 54806
    - Northwest Wisconsin Cancer Center
  - Chippewa Falls, Wisconsin, United States, 54729
    - Marshfield Clinic-Chippewa Center
  - Eau Claire, Wisconsin, United States, 54701
    - Marshfield Medical Center-EC Cancer Center
  - Janesville, Wisconsin, United States, 53548
    - Mercyhealth Hospital and Cancer Center - Janesville
  - La Crosse, Wisconsin, United States, 54601
    - Gundersen Lutheran Medical Center
  - Ladysmith, Wisconsin, United States, 54848
    - Marshfield Clinic - Ladysmith Center
  - Marshfield, Wisconsin, United States, 54449
    - Marshfield Medical Center-Marshfield
  - Minocqua, Wisconsin, United States, 54548
    - Marshfield Clinic-Minocqua Center
  - New Richmond, Wisconsin, United States, 54017
    - Cancer Center of Western Wisconsin
  - Rice Lake, Wisconsin, United States, 54868
    - Marshfield Medical Center-Rice Lake
  - Stevens Point, Wisconsin, United States, 54482
    - Marshfield Clinic Stevens Point Center
  - Wausau, Wisconsin, United States, 54401
    - Marshfield Clinic-Wausau Center
  - Weston, Wisconsin, United States, 54476
    - Marshfield Medical Center - Weston
  - Wisconsin Rapids, Wisconsin, United States, 54494
    - Marshfield Clinic - Wisconsin Rapids Center
- Wyoming
  - Cheyenne, Wyoming, United States, 82001
    - Cheyenne Regional Medical Center-West
  - Cody, Wyoming, United States, 82414
    - Billings Clinic-Cody
  - Sheridan, Wyoming, United States, 82801
    - Welch Cancer Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

Description

Inclusion Criteria:

STEP 1 INITIAL REGISTRATION: HER2 TESTING
Patients must have histologically or cytologically documented adenocarcinoma of the colon or rectum that is metastatic or locally advanced and unresectable
Mutation results:
- All patients must have molecular testing performed in a Clinical Laboratory Improvement Act (CLIA) certified lab which includes which includes KRAS and NRAS gene and exon 15 of BRAF gene (BRAF V600E mutation); patients with any known activating mutation in exon 2 [codons 12 and 13], exon 3 [codons 59 and 61] and exon 4 [codons 117 and 146]) of KRAS/NRAS genes and in exon 15 (BRAFV600E mutation) of BRAF gene are not eligible
Patients must not have been treated with any of the following prior to step 1 initial registration:
- Cetuximab, panitumumab, or any other monoclonal antibody against EGFR or inhibitor of EGFR
- HER-2 targeting for treatment of colorectal cancer; patients who have received prior trastuzumab or pertuzumab for other indications such as prior history of adjuvant or neoadjuvant breast cancer treatment prior to the development of advanced colorectal cancer are eligible
Patients must not have had history of severe toxicity and intolerance to or hypersensitivity to irinotecan or any other study drug; patients must not have had a severe infusion-related reaction during any prior therapy with pertuzumab or trastuzumab
Patients must have tumor slides available for submission for HER-2 testing; HER-2 testing must be completed by the central lab prior to step 2 randomization
Patients must be informed of the investigational nature of this study and must sign and give informed consent in accordance with institutional and federal guidelines; for step 1 initial registration, the appropriate consent form is the step 1 consent form
As a part of the OPEN registration process the treating institution's identity is provided in order to ensure that the current (within 365 days) date of institutional review board approval for this study has been entered in the system
STEP 2 RANDOMIZATION
Patients must have HER-2 amplification as determined by central testing (3+ or 2+ by immunohistochemistry and HER-2 gene amplification by in situ hybridization with a ratio of HER-2 gene signals to centromere 17 signals >= 2.0)
Patients must have measurable disease that is metastatic or locally advanced and unresectable; imaging used to assess all disease per RECIST 1.1 must have been completed within 28 days prior to step 2 randomization; all disease must be assessed and documented on the Baseline Tumor Assessment Form
Patients must have had at least one prior regimen of systemic chemotherapy for metastatic or locally advanced, unresectable disease; patients must have progressed following the most recent therapy; prior treatment with irinotecan is allowed; for patients that received adjuvant chemotherapy: prior treatment for metastatic disease is not required for patient who experienced disease recurrence during or within 6 months of completion of adjuvant chemotherapy; if the patient received one line of adjuvant treatment and had disease recurrence after 6 months of completing chemotherapy, patients will only be eligible after failing one additional line of chemotherapy used to treat the metastatic or locally advanced, unresectable disease; patients who have received >= 3 lines of systemic chemotherapy for metastatic or locally advanced, unresectable disease are not eligible
Patients must have completed prior chemotherapy, immunotherapy, or radiation therapy at least 14 days prior to step 2 randomization and all toxicity must be resolved to Common Terminology Criteria for Adverse Events (CTCAE) version (v)4.0 grade 1 (with the exception of CTCAE v4.0 grade 2 neuropathy) prior to step 2 randomization
Brain metastases are allowed if they have been adequately treated with radiotherapy or surgery and stable for at least 30 days prior to step 2 randomization; eligible patients must be neurologically asymptomatic and without corticosteroid treatment for at least 7 days prior to step 2 randomization
Patients must have a Zubrod performance status of 0 or 1
Patients must have a complete physical examination and medical history within 28 days prior to step 2 randomization
Absolute neutrophil count (ANC) >= 1,500/mcL
Platelets >= 75,000/mcL
Hemoglobin >= 9 g/dL
Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) both =< 5 x institutional upper limit of normal (IULN)
Bilirubin =< 1.5 mg/dL
Calculated creatinine clearance > 30 ml/min within 14 days prior to step 2 randomization
Patients who have had an echocardiogram performed within 6 months prior to step 2 randomization must have ventricular ejection fraction (left ventricular ejection fraction [LVEF]) >= 50% or >= within normal limits for the institution
Patients must not have an uncontrolled intercurrent illness including, but not limited to diabetes, hypertension, severe infection, severe malnutrition, unstable angina, class III-IV New York Heart Association (NYHA) congestive heart failure, ventricular arrhythmias, active ischemic heart disease, or myocardial infarction within 6 months prior to step 2 randomization
Patients must not have any known previous or concurrent condition suggesting susceptibility to hypersensitivity or allergic reactions, including, but not limited to: known hypersensitivity to any of the study treatments or to excipients of recombinant human or humanized antibodies; patients with mild or seasonal allergies may be included after discussion with the study chairs
Patients must not be planning treatment with other systemic anti-cancer agents (e.g., chemotherapy, hormonal therapy, immunotherapy) or other treatments not part of protocol-specified anti-cancer therapy including concurrent investigational agents of any type
No prior malignancy is allowed except for adequately treated basal cell or squamous cell skin cancer, in situ cervical cancer, ductal carcinoma in situ, other low grade lesions such as incidental appendix carcinoid, or any other cancer from which the patient has been disease and treatment free for two years; prostate cancer patients on active surveillance are eligible
Patients must not be pregnant or nursing; females of child-bearing potential must have a negative serum pregnancy test within 7 days prior to registration; women/men of reproductive potential must have agreed to use an effective contraceptive method while on study and for at least 7 months after the last dose of study treatment; a woman is considered to be of "reproductive potential" if she has had menses at any time in the preceding 12 consecutive months; in addition to routine contraceptive methods, "effective contraception" also includes heterosexual celibacy and surgery intended to prevent pregnancy (or with a side-effect of pregnancy prevention) defined as a hysterectomy, bilateral oophorectomy or bilateral tubal ligation; however, if at any point a previously celibate patient chooses to become heterosexually active during the time period for use of contraceptive measures outlined in the protocol, he/she is responsible for beginning contraceptive measures
Patients must be given the opportunity to consent to the optional submission of tissue for future research
Patients must be informed of the investigational nature of this study and must sign and give written informed consent in accordance with institutional and federal guidelines; the appropriate consent form for this registration is the step 2 consent form
STEP 2 RANDOMIZATION: As a part of the Oncology Patient Enrollment Network (OPEN) registration process the treating institution's identity is provided in order to ensure that the current (within 365 days) date of institutional review board approval for this study has been entered in the system
STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Patients must have documented disease progression while on CETIRI (Arm 2) on this protocol; the Follow-up Tumor Assessment Form documenting disease progression must be submitted to Southwest Oncology Group (SWOG) prior to step 3 crossover registration; registration to step 3 crossover must be within 28 days of discontinuation of CETIRI protocol treatment; patients going off treatment for any other reason are not eligible
STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Patients must have a Zubrod performance status of 0 or 1
STEP 3 CROSSOVER REGISTRATION (OPTIONAL): ANC >= 1,500/mcL
STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Platelets >= 75,000/mcL
STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Hemoglobin >= 9 g/dL
STEP 3 CROSSOVER REGISTRATION (OPTIONAL): AST and ALT both =< 5 x institutional upper limit of normal (IULN)
STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Bilirubin =< 1.5 mg/dL
STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Calculated creatinine clearance > 30 ml/min within 14 days prior to step 3 crossover registration
STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Patients must have left ventricular ejection fraction (LVEF) >= 50% or >= lower limit of normal for the institution by echocardiogram within 14 days prior to step 3 crossover registration
STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Patients must have a magnesium, potassium, calcium, sodium, bicarbonate, and chloride performed within 14 days prior to step 3 crossover registration
STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Patients must be informed of the investigational nature of this study and must sign and give written informed consent in accordance with institutional and federal guidelines; the appropriate consent form for this registration is the step 2 consent form
STEP 3 CROSSOVER REGISTRATION (OPTIONAL): As a part of the OPEN registration process the treating institution's identity is provided in order to ensure that the current (within 365 days) date of institutional review board approval for this study has been entered in the system

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Primary Purpose: Treatment
Allocation: Randomized
Interventional Model: Parallel Assignment
Masking: None (Open Label)

Number of Arms

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: Arm I (pertuzumab, trastuzumab) Patients receive pertuzumab IV over 30-60 minutes and trastuzumab IV over 30-120 minutes on day 1. Courses repeat every 21 days in the absence of disease progression or unacceptable toxicity.	Other: Laboratory Biomarker Analysis Correlative studies Biological: Trastuzumab Given IV Other Names: Herceptin ABP 980 Anti-c-ERB-2 Anti-c-erbB2 Monoclonal Antibody Anti-ERB-2 Anti-erbB-2 Anti-erbB2 Monoclonal Antibody Anti-HER2/c-erbB2 Monoclonal Antibody Anti-p185-HER2 c-erb-2 Monoclonal Antibody HER2 Monoclonal Antibody Herceptin Biosimilar PF-05280014 Herceptin Trastuzumab Biosimilar PF-05280014 MoAb HER2 Monoclonal Antibody c-erb-2 Monoclonal Antibody HER2 PF-05280014 rhuMAb HER2 RO0452317 Trastuzumab Biosimilar ABP 980 Trastuzumab Biosimilar PF-05280014 Biological: Pertuzumab Given IV Other Names: Perjeta 2C4 2C4 Antibody MoAb 2C4 Monoclonal Antibody 2C4 rhuMAb2C4 RO4368451 Device: HER-2 testing Central testing of HER-2 for eligibility
Experimental: Arm II (cetuximab, irinotecan hydrochloride) Patients receive cetuximab IV over 60-120 minutes and irinotecan hydrochloride IV over 90 minutes on day 1. Courses repeat every 14 days in the absence of disease progression or unacceptable toxicity. Patients with documented disease progression may optionally crossover to Arm I.	Other: Laboratory Biomarker Analysis Correlative studies Biological: Cetuximab Given IV Other Names: Erbitux IMC-C225 Chimeric Anti-EGFR Monoclonal Antibody Chimeric MoAb C225 Chimeric Monoclonal Antibody C225 Drug: Irinotecan Hydrochloride Given IV Other Names: Campto Camptosar U-101440E CPT-11 Camptothecin 11 Camptothecin-11 CPT 11 Irinomedac Device: HER-2 testing Central testing of HER-2 for eligibility

Participant Group / Arm

Intervention / Treatment

Experimental: Arm I (pertuzumab, trastuzumab)

Patients receive pertuzumab IV over 30-60 minutes and trastuzumab IV over 30-120 minutes on day 1. Courses repeat every 21 days in the absence of disease progression or unacceptable toxicity.

Other: Laboratory Biomarker Analysis

Correlative studies

Biological: Trastuzumab

Given IV

Other Names:

Herceptin
ABP 980
Anti-c-ERB-2
Anti-c-erbB2 Monoclonal Antibody
Anti-ERB-2
Anti-erbB-2
Anti-erbB2 Monoclonal Antibody
Anti-HER2/c-erbB2 Monoclonal Antibody
Anti-p185-HER2
c-erb-2 Monoclonal Antibody
HER2 Monoclonal Antibody
Herceptin Biosimilar PF-05280014
Herceptin Trastuzumab Biosimilar PF-05280014
MoAb HER2
Monoclonal Antibody c-erb-2
Monoclonal Antibody HER2
PF-05280014
rhuMAb HER2
RO0452317
Trastuzumab Biosimilar ABP 980
Trastuzumab Biosimilar PF-05280014

Biological: Pertuzumab

Given IV

Other Names:

Perjeta
2C4
2C4 Antibody
MoAb 2C4
Monoclonal Antibody 2C4
rhuMAb2C4
RO4368451

Device: HER-2 testing

Central testing of HER-2 for eligibility

Experimental: Arm II (cetuximab, irinotecan hydrochloride)

Patients receive cetuximab IV over 60-120 minutes and irinotecan hydrochloride IV over 90 minutes on day 1. Courses repeat every 14 days in the absence of disease progression or unacceptable toxicity. Patients with documented disease progression may optionally crossover to Arm I.

Other: Laboratory Biomarker Analysis

Correlative studies

Biological: Cetuximab

Given IV

Other Names:

Erbitux
IMC-C225
Chimeric Anti-EGFR Monoclonal Antibody
Chimeric MoAb C225
Chimeric Monoclonal Antibody C225

Drug: Irinotecan Hydrochloride

Given IV

Other Names:

Campto
Camptosar
U-101440E
CPT-11
Camptothecin 11
Camptothecin-11
CPT 11
Irinomedac

Device: HER-2 testing

Central testing of HER-2 for eligibility

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Progression-free Survival(PFS) Time Frame: Up to 3 years post randomization	To evaluate the efficacy of trastuzumab and pertuzumab (TP) in HER-2 amplified metastatic colorectal cancer (mCRC) by comparing progression-free survival (PFS) on TP compared to control arm of cetuximab and irinotecan (CETIRI). Progression-free survival is defined as the time from date of randomization to date of first documentation of progression. Using RECIST 1.1, progression is defined as a 20% increase in the sum of appropriate diameters of target measurable lesions over smallest sum observed and an absolute increase of at least 0.5 cm, unequivocal progression of non-measurable disease in the opinion of the treating physician, appearance of any new lesion/site, death due to disease without prior documentation of progression and without symptomatic deterioration (defined as, global deterioration of health status requiring discontinuation of treatment without objective evidence of progression), or death due to any cause.	Up to 3 years post randomization

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Overall Response Rate (ORR) for TP and CETIRI Treatment Arms Time Frame: From baseline, through duration of treatment (once per cycle while on treatment), and every 8 weeks after treatment until progression, up to 3 years after the last accrual to registration step 2	To evaluate the overall response rate (ORR), including confirmed complete and partial response per RECIST 1.1, in the TP and CETIRI treatment arms. Overall response rate includes complete response(CR) and partial response(PR). Complete response is defined as complete disappearance of all target and non-target lesions and no related symptoms. Partial response is defined as a greater than or equal to 30% decrease under baseline of the sum of appropriate diameters of all target measurable lesions for patients with at least one measurable lesion.	From baseline, through duration of treatment (once per cycle while on treatment), and every 8 weeks after treatment until progression, up to 3 years after the last accrual to registration step 2
2 Year Overall Survival (OS) for TP and CETIRI Treatment Arms Time Frame: from the date of the last accrual to registration step 2 to date of death due to any cause, up to 2 years	Percentage of participants still alive 2 years after the last accrual to registration step 2. Overall survival is defined as time from date of registration to date of death due to any cause. Patients last known to be alive are censored at their last contact date.	from the date of the last accrual to registration step 2 to date of death due to any cause, up to 2 years
Number of Participants With Gr 3 Through 5 Adverse Events That Are Related to Study Drugs. Time Frame: Duration of treatment and follow-up until death or 3 years post Step 2 Randomization.	Routine toxicities were evaluated according to National Cancer Institute Common Terminology Criteria for Adverse Events version 4.0, and SAEs were evaluated according to CTCAE version 5.0. Only adverse events that are possibly, probably, or definitely related to study drug are reported.	Duration of treatment and follow-up until death or 3 years post Step 2 Randomization.

Other Outcome Measures

Outcome Measure	Measure Description	Time Frame
Association between HER-2 gene copy number (GCN) and PFS Time Frame: Up to 3 years	The associations between GCN and PFS will be explored via Kaplan-Meier curves and Cox regression.	Up to 3 years
Association between HER-2 gene copy number (GCN) and response Time Frame: Up to 3 years	The associations between GCN and response will be explored via logistic regression.	Up to 3 years
Association between HER-2/CEP17 signal ratio and PFS Time Frame: Up to 3 years	The associations between HER-2/CEP17 signal ratio and PFS will be explored via Kaplan-Meier curves and Cox regression.	Up to 3 years
Association between HER-2/CEP17 signal ratio and response Time Frame: Up to 3 years	The associations between HER-2/CEP17 signal ratio and response will be explored via Logistic regression.	Up to 3 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

SWOG Cancer Research Network

Collaborators

National Cancer Institute (NCI)

Investigators

Principal Investigator: Kanwal Raghav, SWOG Cancer Research Network

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Raghav KPS, Guthrie KA, Tan B Jr, Denlinger CS, Fakih M, Overman MJ, Dasari NA, Corum LR, Hicks LG, Patel MS, Esparaz BT, Kazmi SM, Alluri N, Colby S, Gholami S, Gold PJ, Chiorean EG, Kopetz S, Hochster HS, Philip PA. Trastuzumab Plus Pertuzumab Versus Cetuximab Plus Irinotecan in Patients With RAS/BRAF Wild-Type, HER2-Positive, Metastatic Colorectal Cancer (S1613): A Randomized Phase II Trial. J Clin Oncol. 2025 Apr 10;43(11):1348-1357. doi: 10.1200/JCO-24-01710. Epub 2025 Jan 6.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

November 27, 2017

Primary Completion (Actual)

November 1, 2022

Study Completion (Actual)

July 1, 2025

Study Registration Dates

First Submitted

October 2, 2017

First Submitted That Met QC Criteria

December 1, 2017

First Posted (Actual)

December 7, 2017

Study Record Updates

Last Update Posted (Actual)

February 10, 2026

Last Update Submitted That Met QC Criteria

January 21, 2026

Last Verified

January 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

S1613 (Other Identifier: CTEP)
U10CA180888 (U.S. NIH Grant/Contract)
NCI-2016-01422 (Registry Identifier: CTRP (Clinical Trial Reporting Program))

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

Yes

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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Study Overview

Status

Conditions

Intervention / Treatment

Detailed Description

Study Type

Enrollment (Actual)

Phase

Contacts and Locations

Study Locations

Participation Criteria

Eligibility Criteria

Ages Eligible for Study

Accepts Healthy Volunteers

Description

Study Plan

How is the study designed?

Design Details

Number of Arms

Arms and Interventions

Participant Group / Arm

Intervention / Treatment

What is the study measuring?

Primary Outcome Measures

Outcome Measure

Measure Description

Time Frame

Secondary Outcome Measures

Outcome Measure

Measure Description

Time Frame

Other Outcome Measures

Outcome Measure

Measure Description

Time Frame

Collaborators and Investigators

Sponsor

Collaborators

Investigators

Publications and helpful links

General Publications

Study record dates

Study Major Dates

Study Start (Actual)

Primary Completion (Actual)

Study Completion (Actual)

Study Registration Dates

First Submitted

First Submitted That Met QC Criteria

First Posted (Actual)

Study Record Updates

Last Update Posted (Actual)

Last Update Submitted That Met QC Criteria

Last Verified

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Studies a U.S. FDA-regulated device product

Clinical Trials on Recurrent Colon Carcinoma

Clinical Trials on Laboratory Biomarker Analysis

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