Tazemetostat in Treating Patients With Recurrent Ovarian or Endometrial Cancer

May 28, 2026 updated by: National Cancer Institute (NCI)

A Phase II Study of Tazemetostat (EPZ-6438) in Recurrent or Persistent Endometrioid or Clear Cell Carcinoma of the Ovary, and Recurrent or Persistent Endometrioid Endometrial Adenocarcinoma

This phase II trial studies how well tazemetostat works in treating patients with ovarian or endometrial cancer that has come back (recurrent). Chemotherapy drugs, such as tazemetostat, 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.

Study Overview

Status

Active, not recruiting

Conditions

Intervention / Treatment

Detailed Description

PRIMARY OBJECTIVES:

I. To assess the clinical activity (overall response rate) of tazemetostat in patients with recurrent or persistent endometrioid or clear cell ovarian carcinoma, and patients with recurrent or persistent endometrioid endometrial adenocarcinoma.

II. To assess the clinical activity (response frequency) of tazemetostat in patients with recurrent or persistent clear cell ovarian carcinoma with an ARID1A mutation.

SECONDARY OBJECTIVES:

I. To examine the nature and degree of toxicity in patients with this regimen. II. To examine the progression free survival and overall survival for this patient population receiving tazemetostat.

III. To examine the 6 month clinical benefit rate in patients treated with this regimen. (20-OCT-2021) IV. To evaluate BAF250a expression in patient samples as an indicator of ARID1A mutation status and correlation with the clinical response to study drug. Note: this only applies to patients enrolled prior to the 20-OCT-2021 version date. (20-OCT-2021)

EXPLORATORY OBJECTIVES:

I. Whether or not the patient has an ARID1A mutation. (08/13/2019) Note: this only applies to patients enrolled prior to the 20-OCT-2021 version date. (20-OCT-2021) (Translational Research Integrated Objective) II. To examine the correlation between ARID1A mutation and BAF250a expression and to identify potential mutations predictive of response in patients with preserved BAF250a expression. Note: this only applies to patients enrolled prior to the 20-OCT-2021 version date. (20-OCT-2021)

OUTLINE:

Patients receive tazemetostat orally (PO) twice daily (BID) on days 1-28. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also undergo computed tomography (CT) scans and magnetic resonance imaging (MRI) on study.

After completion of study treatment, patients are followed up every 3 months for 2 years and then every 6 months for 3 years.

Study Type

Interventional

Enrollment (Actual)

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

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
- Arizona
  - Goodyear, Arizona, United States, 85338
    - CTCA at Western Regional Medical Center
  - Kingman, Arizona, United States, 86401
    - Kingman Regional Medical Center
  - Phoenix, Arizona, United States, 85054
    - Mayo Clinic Hospital in Arizona
  - Phoenix, Arizona, United States, 85004
    - Cancer Center at Saint Joseph's
  - Scottsdale, Arizona, United States, 85259
    - Mayo Clinic in Arizona
  - Tucson, Arizona, United States, 85704
    - University of Arizona Cancer Center-Orange Grove Campus
  - Tucson, Arizona, United States, 85719
    - Banner University Medical Center - Tucson
  - Tucson, Arizona, United States, 85719
    - University of Arizona Cancer Center-North Campus
- Arkansas
  - Fort Smith, Arkansas, United States, 72903
    - Mercy Hospital Fort Smith
  - Hot Springs, Arkansas, United States, 71913
    - CHI Saint Vincent Cancer Center Hot Springs
- California
  - Arroyo Grande, California, United States, 93420
    - PCR Oncology
  - Arroyo Grande, California, United States, 93420
    - Mission Hope Medical Oncology - Arroyo Grande
  - Burbank, California, United States, 91505
    - Providence Saint Joseph Medical Center/Disney Family Cancer Center
  - La Jolla, California, United States, 92093
    - UC San Diego Moores Cancer Center
  - Napa, California, United States, 94558
    - Providence Queen of The Valley
  - Orange, California, United States, 92868
    - UC Irvine Health/Chao Family Comprehensive Cancer Center
  - Orange, California, United States, 92868
    - Saint Joseph Hospital - Orange
  - San Luis Obispo, California, United States, 93401
    - Pacific Central Coast Health Center-San Luis Obispo
  - Santa Maria, California, United States, 93444
    - Mission Hope Medical Oncology - Santa Maria
  - Santa Rosa, California, United States, 95403
    - Providence Medical Foundation - Santa Rosa
  - Santa Rosa, California, United States, 95405
    - Providence Santa Rosa Memorial Hospital
- Colorado
  - 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
  - Colorado Springs, Colorado, United States, 80923
    - Saint Francis Cancer Center
  - Denver, Colorado, United States, 80210
    - AdventHealth Porter
  - Durango, Colorado, United States, 81301
    - Mercy Medical Center
  - Durango, Colorado, United States, 81301
    - CommonSpirit Cancer Center Mercy
  - Fort Collins, Colorado, United States, 80524
    - Poudre Valley Hospital
  - Fort Collins, Colorado, United States, 80528
    - Cancer Care and Hematology-Fort Collins
  - Greeley, Colorado, United States, 80631
    - UCHealth Greeley Hospital
  - Lakewood, Colorado, United States, 80228
    - CommonSpirit Saint Anthony Hospital Cancer Center
  - Littleton, Colorado, United States, 80122
    - AdventHealth Littleton
  - Longmont, Colorado, United States, 80501
    - Longmont United Hospital
  - Longmont, Colorado, United States, 80501
    - Rocky Mountain Cancer Centers-Longmont
  - Loveland, Colorado, United States, 80538
    - Medical Center of the Rockies
  - Parker, Colorado, United States, 80138
    - AdventHealth Parker
  - Pueblo, Colorado, United States, 81004
    - Saint Mary Corwin 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
  - Guilford, Connecticut, United States, 06437
    - Smilow Cancer Hospital Care Center - Guilford
  - Hartford, Connecticut, United States, 06105
    - Smilow Cancer Hospital Care Center at Saint Francis
  - New Haven, Connecticut, United States, 06520
    - Yale University
  - New Haven, Connecticut, United States, 06510
    - Smilow Cancer Center/Yale-New Haven Hospital
  - 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
  - Bradenton, Florida, United States, 34205
    - Florida Cancer Specialists - Bradenton Cancer Center
  - Gainesville, Florida, United States, 32610
    - UF Health Cancer Institute - Gainesville
  - Sarasota, Florida, United States, 34239
    - Sarasota Memorial Hospital
  - Sarasota, Florida, United States, 34232
    - Florida Cancer Specialists - Sarasota
  - Sarasota, Florida, United States, 34236
    - Florida Cancer Specialists - Sarasota Downtown
  - Venice, Florida, United States, 34285
    - Florida Cancer Specialists - Venice Island
  - Venice, Florida, United States, 34275
    - Florida Cancer Specialists - Venice Pinebrook
- Georgia
  - Atlanta, Georgia, United States, 30342
    - Northside Hospital
  - Augusta, Georgia, United States, 30912
    - Augusta University Medical Center
  - Newnan, Georgia, United States, 30265
    - CTCA at Southeastern Regional Medical Center
  - Savannah, Georgia, United States, 31404
    - Memorial Health University Medical Center
  - Savannah, Georgia, United States, 31404
    - Summit Cancer Care-Memorial
- 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
  - Lihue, Hawaii, United States, 96766
    - Wilcox Memorial Hospital and Kauai Medical Clinic
  - ‘Aiea, Hawaii, United States, 96701
    - Hawaii Cancer Care - Westridge
  - ‘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
- 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, 83687
    - Saint Alphonsus Cancer Care Center-Nampa
  - Nampa, Idaho, United States, 83687
    - Saint Luke's Cancer Institute - Nampa
  - Post Falls, Idaho, United States, 83854
    - Kootenai Clinic Cancer Services - Post Falls
  - Sandpoint, Idaho, United States, 83864
    - Kootenai Clinic Cancer Services - Sandpoint
  - Twin Falls, Idaho, United States, 83301
    - Saint Luke's Cancer Institute - Twin Falls
- Illinois
  - Alton, Illinois, United States, 62002
    - OSF Saint Anthony's Health Center
  - Aurora, Illinois, United States, 60504
    - Rush-Copley Medical Center
  - Bloomington, Illinois, United States, 61704
    - Illinois CancerCare-Bloomington
  - 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
  - Chicago, Illinois, United States, 60637
    - University of Chicago Comprehensive Cancer Center
  - Chicago, Illinois, United States, 60657
    - Advocate Illinois Masonic Medical Center
  - Chicago, Illinois, United States, 60612
    - Rush MD Anderson Cancer Center
  - Crystal Lake, Illinois, United States, 60014
    - AMG Crystal Lake - Oncology
  - Danville, Illinois, United States, 61832
    - Carle at The Riverfront
  - 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
  - Downers Grove, Illinois, United States, 60515
    - Advocate Good Samaritan Hospital
  - Effingham, Illinois, United States, 62401
    - Crossroads Cancer Center
  - Effingham, Illinois, United States, 62401
    - Carle Physician Group-Effingham
  - Elgin, Illinois, United States, 60123
    - Advocate Sherman Hospital
  - Eureka, Illinois, United States, 61530
    - Illinois CancerCare-Eureka
  - Evanston, Illinois, United States, 60201
    - NorthShore University HealthSystem-Evanston Hospital
  - Galesburg, Illinois, United States, 61401
    - Western Illinois Cancer Treatment Center
  - Galesburg, Illinois, United States, 61401
    - Illinois CancerCare-Galesburg
  - Glenview, Illinois, United States, 60026
    - NorthShore University HealthSystem-Glenbrook Hospital
  - Hazel Crest, Illinois, United States, 60429
    - Advocate South Suburban Hospital
  - Highland Park, Illinois, United States, 60035
    - NorthShore University HealthSystem-Highland Park Hospital
  - Hinsdale, Illinois, United States, 60521
    - Sudarshan K Sharma MD Limited-Gynecologic Oncology
  - Kewanee, Illinois, United States, 61443
    - Illinois CancerCare-Kewanee Clinic
  - Lake Forest, Illinois, United States, 60045
    - Northwestern Medicine Lake Forest Hospital
  - Libertyville, Illinois, United States, 60048
    - Condell Memorial Hospital
  - Libertyville, Illinois, United States, 60048
    - AMG Libertyville - Oncology
  - Macomb, Illinois, United States, 61455
    - Illinois CancerCare-Macomb
  - Mattoon, Illinois, United States, 61938
    - Carle Physician Group-Mattoon/Charleston
  - Mount Vernon, Illinois, United States, 62864
    - SSM Health Good Samaritan
  - New Lenox, Illinois, United States, 60451
    - UC Comprehensive Cancer Center at Silver Cross
  - O'Fallon, Illinois, United States, 62269
    - Cancer Care Center of O'Fallon
  - Oak Lawn, Illinois, United States, 60453-2699
    - Advocate Christ Medical Center
  - Orland Park, Illinois, United States, 60462
    - University of Chicago Medicine-Orland Park
  - Ottawa, Illinois, United States, 61350
    - Illinois CancerCare-Ottawa Clinic
  - Park Ridge, Illinois, United States, 60068
    - Advocate Lutheran General Hospital
  - Pekin, Illinois, United States, 61554
    - Illinois CancerCare-Pekin
  - Pekin, Illinois, United States, 61554
    - OSF Saint Francis Radiation Oncology at Pekin
  - 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, 62702
    - Southern Illinois University School of Medicine
  - Springfield, Illinois, United States, 62702
    - Springfield Clinic
  - Springfield, Illinois, United States, 62781
    - Springfield Memorial Hospital
  - 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
  - Washington, Illinois, United States, 61571
    - Illinois CancerCare - Washington
  - Yorkville, Illinois, United States, 60560
    - Rush-Copley Healthcare Center
  - Zion, Illinois, United States, 60099
    - Midwestern Regional Medical Center
- Indiana
  - Fort Wayne, Indiana, United States, 46845
    - Parkview Regional Medical Center
  - Indianapolis, Indiana, United States, 46260
    - Ascension Saint Vincent Indianapolis Hospital
  - Richmond, Indiana, United States, 47374
    - Reid Health
- Iowa
  - Ames, Iowa, United States, 50010
    - Mary Greeley Medical Center
  - Ames, Iowa, United States, 50010
    - McFarland Clinic - Ames
  - Boone, Iowa, United States, 50036
    - McFarland Clinic - Boone
  - Clive, Iowa, United States, 50325
    - Mercy Cancer Center-West Lakes
  - Clive, Iowa, United States, 50325
    - UI Health Care Mission Cancer and Blood - West Des Moines Clinic
  - Council Bluffs, Iowa, United States, 51503
    - Alegent Health Mercy Hospital
  - 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, 50314
    - Broadlawns Medical Center
  - Des Moines, Iowa, United States, 50316
    - Iowa Lutheran Hospital
  - Des Moines, Iowa, United States, 50309
    - UI Health Care Mission Cancer and Blood - Des Moines Clinic
  - Des Moines, Iowa, United States, 50314
    - UI Health Care Mission Cancer and Blood - Laurel Clinic
  - Fort Dodge, Iowa, United States, 50501
    - McFarland Clinic - Trinity Cancer Center
  - Fort Dodge, Iowa, United States, 50501
    - UI Healthcare Mission Cancer and Blood - Fort Dodge
  - Iowa City, Iowa, United States, 52242
    - University of Iowa/Holden Comprehensive Cancer Center
  - Jefferson, Iowa, United States, 50129
    - McFarland Clinic - Jefferson
  - Marshalltown, Iowa, United States, 50158
    - McFarland Clinic - Marshalltown
  - West Des Moines, Iowa, United States, 50266-7700
    - Methodist West Hospital
  - West Des Moines, Iowa, United States, 50266
    - Mercy Medical Center-West Lakes
- Kansas
  - Garden City, Kansas, United States, 67846
    - Central Care Cancer Center - Garden City
  - Great Bend, Kansas, United States, 67530
    - Central Care Cancer Center - Great Bend
  - Overland Park, Kansas, United States, 66213
    - Saint Luke's South Hospital
  - Wichita, Kansas, United States, 67208
    - Associates In Womens Health
- Kentucky
  - Bardstown, Kentucky, United States, 40004
    - Flaget Memorial Hospital
  - Corbin, Kentucky, United States, 40701
    - Commonwealth Cancer Center-Corbin
  - Edgewood, Kentucky, United States, 41017
    - Saint Elizabeth Healthcare Edgewood
  - Lexington, Kentucky, United States, 40504
    - Saint Joseph Radiation Oncology Resource Center
  - Lexington, Kentucky, United States, 40509
    - Saint Joseph Hospital East
  - London, Kentucky, United States, 40741
    - Saint Joseph London
  - Louisville, Kentucky, United States, 40202
    - Jewish Hospital
  - Louisville, Kentucky, United States, 40245
    - UofL Health Medical Center Northeast
  - Louisville, Kentucky, United States, 40215
    - Saints Mary and Elizabeth Hospital
  - Shepherdsville, Kentucky, United States, 40165
    - Jewish Hospital Medical Center South
- Louisiana
  - Baton Rouge, Louisiana, United States, 70806
    - Baton Rouge General Medical Center
  - Baton Rouge, Louisiana, United States, 70809
    - Hematology/Oncology Clinic PLLC
  - New Orleans, Louisiana, United States, 70112
    - Tulane University School of Medicine
  - New Orleans, Louisiana, United States, 70121
    - Ochsner Medical Center Jefferson
- Maine
  - Bangor, Maine, United States, 04401
    - Eastern Maine Medical Center
  - Brewer, Maine, United States, 04412
    - Lafayette Family Cancer Center-EMMC
- Massachusetts
  - Springfield, Massachusetts, United States, 01104
    - Mercy Medical Center
- Michigan
  - Ann Arbor, Michigan, United States, 48106
    - Trinity Health Saint Joseph Mercy Hospital Ann Arbor
  - Brighton, Michigan, United States, 48114
    - Trinity Health IHA Medical Group Hematology Oncology - Brighton
  - Brighton, Michigan, United States, 48114
    - Trinity Health Medical Center - Brighton
  - Canton, Michigan, United States, 48188
    - Trinity Health IHA Medical Group Hematology Oncology - Canton
  - Canton, Michigan, United States, 48188
    - Trinity Health Medical Center - Canton
  - Caro, Michigan, United States, 48723
    - Caro Cancer Center
  - Chelsea, Michigan, United States, 48118
    - Trinity Health IHA Medical Group Hematology Oncology - Chelsea Hospital
  - Chelsea, Michigan, United States, 48118
    - Chelsea Hospital
  - Clarkston, Michigan, United States, 48346
    - Hematology Oncology Consultants-Clarkston
  - Clarkston, Michigan, United States, 48346
    - Newland Medical Associates-Clarkston
  - Detroit, Michigan, United States, 48201
    - Wayne State University/Karmanos Cancer Institute
  - Detroit, Michigan, United States, 48236
    - Henry Ford Health Saint John Hospital
  - East China Township, Michigan, United States, 48054
    - Henry Ford River District Hospital
  - Farmington Hills, Michigan, United States, 48334
    - Weisberg Cancer Treatment Center
  - Flint, Michigan, United States, 48503
    - Hurley Medical Center
  - Flint, Michigan, United States, 48503
    - Genesee Hematology Oncology PC
  - Flint, Michigan, United States, 48503
    - Genesys Hurley Cancer Institute
  - Flint, Michigan, United States, 48503
    - Cancer Hematology Centers - Flint
  - Grosse Pointe Woods, Michigan, United States, 48236
    - Henry Ford Saint John Hospital - Academic
  - Grosse Pointe Woods, Michigan, United States, 48236
    - Henry Ford Saint John Hospital - Breast
  - Grosse Pointe Woods, Michigan, United States, 48236
    - Henry Ford Saint John Hospital - Van Elslander
  - Lansing, Michigan, United States, 48912
    - University of Michigan Health - Sparrow Lansing
  - Livonia, Michigan, United States, 48154
    - Trinity Health Saint Mary Mercy Livonia Hospital
  - Livonia, Michigan, United States, 48154
    - Hope Cancer Clinic
  - Macomb, Michigan, United States, 48044
    - Henry Ford Warren Hospital - Breast Macomb
  - Macomb, Michigan, United States, 48044
    - Henry Ford Saint John Hospital - Macomb Medical
  - Marlette, Michigan, United States, 48453
    - Saint Mary's Oncology/Hematology Associates of Marlette
  - Pontiac, Michigan, United States, 48341
    - Hope Cancer Center
  - Pontiac, Michigan, United States, 48341
    - Newland Medical Associates-Pontiac
  - Pontiac, Michigan, United States, 48341
    - Trinity Health Saint Joseph Mercy Oakland Hospital
  - Pontiac, Michigan, United States, 48341
    - Michigan Healthcare Professionals Pontiac
  - Port Huron, Michigan, United States, 48060
    - Lake Huron Medical Center
  - Port Huron, Michigan, United States, 48060
    - Huron Medical Center PC
  - Rochester Hills, Michigan, United States, 48309
    - Henry Ford Rochester Hospital
  - Saginaw, Michigan, United States, 48604
    - Oncology Hematology Associates of Saginaw Valley PC
  - Saginaw, Michigan, United States, 48601
    - MyMichigan Medical Center Saginaw
  - Sterling Heights, Michigan, United States, 48312
    - Bhadresh Nayak MD PC-Sterling Heights
  - Tawas City, Michigan, United States, 48764
    - MyMichigan Medical Center Tawas
  - Warren, Michigan, United States, 48088
    - Advanced Breast Care Center PLLC
  - Warren, Michigan, United States, 48093
    - Macomb Hematology Oncology PC
  - Warren, Michigan, United States, 48093
    - Henry Ford Madison Heights Hospital - Breast
  - Warren, Michigan, United States, 48093
    - Henry Ford Health Warren Hospital
  - Warren, Michigan, United States, 48093
    - Henry Ford Warren Hospital - GLCMS
  - West Branch, Michigan, United States, 48661
    - Saint Mary's Oncology/Hematology Associates of West Branch
  - Ypsilanti, Michigan, United States, 48197
    - Trinity Health IHA Medical Group Hematology Oncology Ann Arbor Campus
  - Ypsilanti, Michigan, United States, 48106
    - Huron Gastroenterology PC
- Minnesota
  - Aitkin, Minnesota, United States, 56431
    - Riverwood Healthcare Center
  - Baxter, Minnesota, United States, 56425
    - Essentia Health - Baxter Clinic
  - 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
  - Ely, Minnesota, United States, 55731
    - Essentia Health - Ely Clinic
  - 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
  - International Falls, Minnesota, United States, 56649
    - Essentia Health - International Falls 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
  - Moose Lake, Minnesota, United States, 55767
    - Essentia Health - Moose Lake Clinic
  - 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
  - Rochester, Minnesota, United States, 55905
    - Mayo Clinic in Rochester
  - 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
- Missouri
  - Ballwin, Missouri, United States, 63011
    - Mercy Oncology and Hematology - Clayton-Clarkson
  - 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
    - Mercy Cancer Center - Cape Girardeau
  - Farmington, Missouri, United States, 63640
    - Parkland Health Center - Farmington
  - Jefferson City, Missouri, United States, 65109
    - MU Health Care Goldschmidt Cancer Center
  - Joplin, Missouri, United States, 64804
    - Freeman Health System
  - Joplin, Missouri, United States, 64804
    - Mercy Hospital Joplin
  - Kansas City, Missouri, United States, 64111
    - Saint Luke's Hospital of Kansas City
  - Lee's Summit, Missouri, United States, 64086
    - Saint Luke's East - Lee's Summit
  - Rolla, Missouri, United States, 65401
    - Mercy Clinic-Rolla-Cancer and Hematology
  - Rolla, Missouri, United States, 65401
    - Phelps Health Delbert Day Cancer Institute
  - 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, 63131
    - Missouri Baptist Medical Center
  - St Louis, Missouri, United States, 63109
    - Mercy Infusion Center - Chippewa
  - St Louis, Missouri, United States, 63141
    - Mercy Hospital Saint Louis
  - St Louis, Missouri, United States, 63128
    - Mercy Hospital South
  - Sullivan, Missouri, United States, 63080
    - Missouri Baptist Sullivan Hospital
  - Sunset Hills, Missouri, United States, 63127
    - BJC Outpatient Center at 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
  - Bozeman, Montana, United States, 59715
    - Bozeman Health Deaconess Hospital
  - Great Falls, Montana, United States, 59405
    - Great Falls Clinic
  - Great Falls, Montana, United States, 59405
    - Benefis Sletten Cancer Institute
  - Helena, Montana, United States, 59601
    - Saint Peter's Community Hospital
  - Kalispell, Montana, United States, 59901
    - Logan Health Medical Center
  - Missoula, Montana, United States, 59802
    - Saint Patrick Hospital - Community Hospital
  - Missoula, Montana, United States, 59804
    - Community Medical Center
- Nebraska
  - Grand Island, Nebraska, United States, 68803
    - Nebraska Cancer Specialists/Oncology Hematology West PC
  - Kearney, Nebraska, United States, 68847
    - CHI Health Good Samaritan
  - Lincoln, Nebraska, United States, 68510
    - Saint Elizabeth Regional Medical Center
  - Omaha, Nebraska, United States, 68114
    - Nebraska Methodist Hospital
  - Omaha, Nebraska, United States, 68198
    - University of Nebraska Medical Center
  - Omaha, Nebraska, United States, 68124
    - Alegent Health Bergan Mercy Medical Center
  - Omaha, Nebraska, United States, 68118
    - Nebraska Medicine-Village Pointe
  - 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, 68114
    - Oncology Associates PC
  - Omaha, Nebraska, United States, 68114
    - Nebraska Cancer Specialists/Oncology Hematology West PC - MECC
  - 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
    - 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, 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
  - Henderson, Nevada, United States, 89074
    - Oncology Las Vegas - Henderson
  - 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, 89169
    - Comprehensive Cancer Centers of Nevada - Central Valley
  - Las Vegas, Nevada, United States, 89106
    - Women's Cancer Center of Nevada
  - 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, 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, 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, 89169
    - University Cancer Center
  - Las Vegas, Nevada, United States, 89113
    - Urology Specialists of Nevada - Southwest
  - Las Vegas, Nevada, United States, 89128
    - Oncology Las Vegas - Tenaya
  - Las Vegas, Nevada, United States, 89183
    - OptumCare Cancer Care at Fort Apache
  - 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 Jersey
  - Basking Ridge, New Jersey, United States, 07920
    - Memorial Sloan Kettering Basking Ridge
  - Middletown, New Jersey, United States, 07748
    - Memorial Sloan Kettering Monmouth
  - Montvale, New Jersey, United States, 07645
    - Memorial Sloan Kettering Bergen
- New York
  - Commack, New York, United States, 11725
    - Memorial Sloan Kettering Commack
  - Harrison, New York, United States, 10604
    - Memorial Sloan Kettering Westchester
  - New York, New York, United States, 10065
    - Memorial Sloan Kettering Cancer Center
  - Rochester, New York, United States, 14642
    - University of Rochester
  - Uniondale, New York, United States, 11553
    - Memorial Sloan Kettering Nassau
- North Dakota
  - Fargo, North Dakota, United States, 58103
    - Essentia Health Cancer Center-South University Clinic
  - Jamestown, North Dakota, United States, 58401
    - Essentia Health - Jamestown Clinic
- Ohio
  - Alliance, Ohio, United States, 44601
    - Aultman Alliance Community Hospital
  - Beachwood, Ohio, United States, 44122
    - UHHS-Chagrin Highlands Medical Center
  - 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
  - Canton, Ohio, United States, 44710
    - Aultman Health Foundation
  - Centerville, Ohio, United States, 45459
    - Miami Valley Hospital South
  - Centerville, Ohio, United States, 45459
    - Dayton Physicians LLC-Miami Valley South
  - Chardon, Ohio, United States, 44024
    - Geauga Hospital
  - Chillicothe, Ohio, United States, 45601
    - Adena Regional Medical Center
  - Cincinnati, Ohio, United States, 45219
    - University of Cincinnati Cancer Center-UC 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
  - Cleveland, Ohio, United States, 44106
    - Case Western Reserve University
  - Cleveland, Ohio, United States, 44195
    - Cleveland Clinic Foundation
  - Cleveland, Ohio, United States, 44111
    - Cleveland Clinic Cancer Center/Fairview Hospital
  - 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
    - Miami Valley Hospital North
  - Dayton, Ohio, United States, 45405
    - Grandview Hospital
  - Dayton, Ohio, United States, 45415
    - Dayton Physician LLC - Englewood
  - Delaware, Ohio, United States, 43015
    - Delaware Health Center-Grady Cancer Center
  - Delaware, Ohio, United States, 43015
    - Grady Memorial Hospital
  - Dublin, Ohio, United States, 43016
    - Dublin Methodist Hospital
  - Dublin, Ohio, United States, 43016
    - Columbus Oncology and Hematology Associates
  - 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
  - Gahanna, Ohio, United States, 43230
    - Central Ohio Breast and Endocrine Surgery
  - 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
  - Mayfield Heights, Ohio, United States, 44124
    - Hillcrest Hospital Cancer Center
  - Mount Vernon, Ohio, United States, 43050
    - Knox Community Hospital
  - New Albany, Ohio, United States, 43054
    - Mount Carmel New Albany Surgical 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 Hospital
  - Portsmouth, Ohio, United States, 45662
    - Southern Ohio Medical Center
  - Springfield, Ohio, United States, 45504
    - Springfield Regional Cancer Center
  - Springfield, Ohio, United States, 45504
    - Springfield Regional Medical Center
  - Sylvania, Ohio, United States, 43560
    - ProMedica Flower Hospital
  - Toledo, Ohio, United States, 43606
    - ProMedica Toledo Hospital/Russell J Ebeid Children's Hospital
  - Toledo, Ohio, United States, 43623
    - Mercy Health - Saint Anne Hospital
  - Toledo, Ohio, United States, 43608
    - Mercy Health - Saint Vincent Hospital
  - Toledo, Ohio, United States, 43623
    - Mercy Health Sylvania Radiation Oncology Center
  - Troy, Ohio, United States, 45373
    - Upper Valley Medical Center
  - Troy, Ohio, United States, 45373
    - Dayton Physicians LLC - Troy
  - Wadsworth, Ohio, United States, 44281
    - University Hospitals Sharon Health Center
  - Warren, Ohio, United States, 44484
    - Saint Joseph Warren Hospital
  - West Chester, Ohio, United States, 45069
    - University of Cincinnati Cancer Center-West Chester
  - Westerville, Ohio, United States, 43081
    - Saint Ann's Hospital
  - Westlake, Ohio, United States, 44145
    - UH Seidman Cancer Center at Saint John Medical Center
  - Westlake, Ohio, United States, 44145
    - UHHS-Westlake Medical Center
  - Youngstown, Ohio, United States, 44501
    - Saint Elizabeth Youngstown Hospital
  - Zanesville, Ohio, United States, 43701
    - Genesis Healthcare System Cancer Care Center
- Oklahoma
  - Oklahoma City, Oklahoma, United States, 73104
    - University of Oklahoma Health Sciences Center
  - Oklahoma City, Oklahoma, United States, 73120
    - Mercy Hospital Oklahoma City
  - Tulsa, Oklahoma, United States, 74146
    - Oklahoma Cancer Specialists and Research Institute-Tulsa
- Oregon
  - Baker City, Oregon, United States, 97814
    - Saint Alphonsus Cancer Care 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 Cancer Care 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
  - Danville, Pennsylvania, United States, 17822
    - Geisinger Medical Center
  - East Stroudsburg, Pennsylvania, United States, 18301
    - Pocono Medical Center
  - Hazleton, Pennsylvania, United States, 18201
    - Geisinger Medical Center-Cancer Center Hazleton
  - Hazleton, Pennsylvania, United States, 18201
    - Lehigh Valley Hospital-Hazleton
  - Jefferson Hills, Pennsylvania, United States, 15025
    - Jefferson Hospital
  - Lewisburg, Pennsylvania, United States, 17837
    - Geisinger Medical Oncology-Lewisburg
  - Lewistown, Pennsylvania, United States, 17044
    - Lewistown Hospital
  - Monroeville, Pennsylvania, United States, 15146
    - Forbes Hospital
  - Philadelphia, Pennsylvania, United States, 19107
    - Thomas Jefferson University Hospital
  - Pittsburgh, Pennsylvania, United States, 15212
    - Allegheny General Hospital
  - Pittsburgh, Pennsylvania, United States, 15224
    - West Penn 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
  - Wexford, Pennsylvania, United States, 15090
    - Wexford Health and Wellness Pavilion
  - Wilkes-Barre, Pennsylvania, United States, 18711
    - Geisinger Wyoming Valley/Henry Cancer Center
  - Willow Grove, Pennsylvania, United States, 19090
    - Asplundh Cancer Pavilion
- Rhode Island
  - Providence, Rhode Island, United States, 02905
    - Women and Infants Hospital
- South Carolina
  - Charleston, South Carolina, United States, 29425
    - Medical University of South Carolina
- South Dakota
  - Rapid City, South Dakota, United States, 57701
    - Rapid City Regional Hospital
  - Sioux Falls, South Dakota, United States, 57105
    - Avera Cancer Institute
- Texas
  - 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
- Utah
  - Salt Lake City, Utah, United States, 84112
    - Huntsman Cancer Institute/University of Utah
- Virginia
  - Charlottesville, Virginia, United States, 22908
    - University of Virginia Cancer Center
  - Mechanicsville, Virginia, United States, 23116
    - Bon Secours Memorial Regional Medical Center
  - Midlothian, Virginia, United States, 23114
    - Bon Secours Saint Francis Medical Center
  - Midlothian, Virginia, United States, 23113
    - Bon Secours Westchester Emergency Center
  - Norfolk, Virginia, United States, 23505
    - Bon Secours DePaul Medical Center
  - Portsmouth, Virginia, United States, 23707
    - Bon Secours Maryview Medical Center
  - Richmond, Virginia, United States, 23226
    - Bon Secours Saint Mary's Hospital
  - Richmond, Virginia, United States, 23230
    - Bon Secours Cancer Institute at Reynolds Crossing
  - Suffolk, Virginia, United States, 23435
    - Bon Secours Health Center at Harbour View
- Washington
  - Aberdeen, Washington, United States, 98520
    - Providence Regional Cancer System-Aberdeen
  - Bellevue, Washington, United States, 98004
    - Overlake Medical Center
  - Bellingham, Washington, United States, 98225
    - PeaceHealth Saint Joseph 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
  - 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
  - Renton, Washington, United States, 98055
    - Valley Medical Center
  - Seattle, Washington, United States, 98107
    - Swedish Medical Center-Ballard Campus
  - Seattle, Washington, United States, 98122
    - Swedish Medical Center-First Hill
  - Seattle, Washington, United States, 98112
    - Kaiser Permanente Washington
  - Seattle, Washington, United States, 98104
    - Pacific Gynecology Specialists
  - 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
  - Silverdale, Washington, United States, 98383
    - Saint Joseph Medical Center Hematology and Oncology - Silverdale
  - 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
- Wisconsin
  - Ashland, Wisconsin, United States, 54806
    - Duluth Clinic Ashland
  - Ashland, Wisconsin, United States, 54806
    - Northwest Wisconsin Cancer Center
  - Burlington, Wisconsin, United States, 53105
    - Aurora Cancer Care-Southern Lakes VLCC
  - Fond du Lac, Wisconsin, United States, 54937
    - Aurora Health Center-Fond du Lac
  - Germantown, Wisconsin, United States, 53022
    - Aurora Health Care Germantown Health Center
  - Grafton, Wisconsin, United States, 53024
    - Aurora Cancer Care-Grafton
  - Green Bay, Wisconsin, United States, 54311
    - Aurora BayCare Medical Center
  - Hayward, Wisconsin, United States, 54843
    - Essentia Health-Hayward Clinic
  - Kenosha, Wisconsin, United States, 53142
    - Aurora Cancer Care-Kenosha South
  - La Crosse, Wisconsin, United States, 54601
    - Gundersen Lutheran Medical Center
  - Marinette, Wisconsin, United States, 54143
    - Aurora Bay Area Medical Group-Marinette
  - Milwaukee, Wisconsin, United States, 53209
    - Aurora Cancer Care-Milwaukee
  - Milwaukee, Wisconsin, United States, 53215
    - Aurora Saint Luke's Medical Center
  - Milwaukee, Wisconsin, United States, 53233
    - Aurora Sinai Medical Center
  - Mukwonago, Wisconsin, United States, 53149
    - ProHealth D N Greenwald Center
  - New Richmond, Wisconsin, United States, 54017
    - Cancer Center of Western Wisconsin
  - Oconomowoc, Wisconsin, United States, 53066
    - ProHealth Oconomowoc Memorial Hospital
  - Oshkosh, Wisconsin, United States, 54904
    - Vince Lombardi Cancer Clinic - Oshkosh
  - Racine, Wisconsin, United States, 53406
    - Aurora Cancer Care-Racine
  - Sheboygan, Wisconsin, United States, 53081
    - Vince Lombardi Cancer Clinic-Sheboygan
  - Spooner, Wisconsin, United States, 54801
    - Essentia Health-Spooner Clinic
  - Summit, Wisconsin, United States, 53066
    - Aurora Medical Center in Summit
  - Superior, Wisconsin, United States, 54880
    - Essentia Health Saint Mary's Hospital - Superior
  - Two Rivers, Wisconsin, United States, 54241
    - Vince Lombardi Cancer Clinic-Two Rivers
  - Waukesha, Wisconsin, United States, 53188
    - UW Cancer Center at ProHealth Care
  - Waukesha, Wisconsin, United States, 53188
    - ProHealth Waukesha Memorial Hospital
  - Wauwatosa, Wisconsin, United States, 53226
    - Aurora Cancer Care-Milwaukee West
  - West Allis, Wisconsin, United States, 53227
    - Aurora West Allis Medical Center
- Wyoming
  - 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:

Pathologically (histologically or cytologically) proven diagnosis of recurrent or persistent ovarian endometrioid or clear cell carcinoma, OR recurrent or persistent endometrioid endometrial adenocarcinoma; patients with recurrent endometrial cancer must have mismatch repair (MMR) immunohistochemistry completed; if they are found to be mismatch repair deficient, they should be offered treatment with immune checkpoint inhibition before consideration for treatment on trial; primary ovarian tumors must be at least 50% endometrioid or clear cell morphology, or have histologically documented recurrence with at least 50% endometrioid or clear cell morphology; institutional pathology reports must be provided indicating at least 50% endometrioid or clear cell morphology for ovarian tumors (primary or recurrent lesions)
- Only patients with recurrent or persistent ovarian clear cell carcinoma (OCCC) with ARID1A pathologic variant or likely pathologic variant mutations per next generation sequencing (NGS) are eligible for entry (20-OCT-2021)
- Institutional pathology reports must be provided indicating at least 50% clear cell morphology for ovarian tumors (primary or recurrent lesions) and NGS report must be available for step 1 registration (20-OCT-2021) (09-DEC-2021)
- All other eligibility criteria and ineligibility criteria must be met for step 2 registration (20-OCT-2021) (09-DEC-2021)
All patients must have measurable disease as defined by Response Evaluation Criteria in Solid Tumors (RECIST) version (v) 1.1; measurable disease is defined as at least one lesion that can be accurately measured in at least one dimension (longest diameter to be recorded); each lesion must be >= 10 mm when measured by computed tomography (CT), magnetic resonance imaging (MRI) or caliper measurement by clinical exam; or >= 20 mm when measured by chest x-ray; lymph nodes must be >= 15 mm in short axis when measured by CT or MRI
Patients must have had at least one, but no more than 3, prior cytotoxic regimens for management of primary disease; unlimited prior hormonal therapy, targeted therapy (including immunotherapy) or antiangiogenic therapy will be permitted
Patients must have completed prior therapy:
- Chemotherapy: cytotoxic
  - At least 28 days since last dose of chemotherapy prior to step 2 registration.
- Chemotherapy: nitrosoureas
  - At least 6 weeks since last dose of chemotherapy prior to step 2 registration.
- Chemotherapy: non-cytotoxic (e.g. small molecule inhibitor)
  - At least 28 days since last dose of chemotherapy prior to step 2 registration.
- Monoclonal antibody(ies)
  - At least 28 days since last dose of monoclonal antibody prior to step 2 registration.
- Immunotherapy
  - At least 28 days since last dose of immunotherapy prior to step 2 registration.
- Radiotherapy (RT)
  - At least 14 days from last local site RT prior to step 2 registration.
  - At least 21 days from stereotactic radiosurgery prior to step 2 registration.
  - At least 12 weeks from craniospinal, >= 50% radiation of pelvis or total body irradiation prior to step 2 registration.
  - Patients with central nervous system (CNS) disease should demonstrate evidence of stabilization after the 28-day time point after definitive treatment.
  - Full recovery of radiation related side effects prior to step 2 registration.
  - All subjects must have evidence of measurable disease outside of the radiation field at the time of step 2 registration
Appropriate stage for study entry based on the following diagnostic workup:
- History/physical examination within 14 days prior to step 2 registration
- Imaging of the chest, abdomen and pelvis within 28 days prior to step 2 registration
Age >= 18
Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1 or 2 within 14 days prior to step 2 registration
Platelets >= 100,000/mcl (within 14 days prior to step 2 registration)
Absolute neutrophil count (ANC) >= 1,500/mcl (within 14 days prior to step 2 registration)
Hemoglobin >= 8 g/dL (within 14 days prior to step 2 registration)
Differential with no clinically significant morphologic abnormalities on complete blood count (CBC) testing; manual differential is encouraged, if clinically indicated, and in cases where an automated differential is abnormal (within 14 days prior to step 2 registration)
Creatinine =< 1.5 x institutional/laboratory upper limit of normal (ULN) (within 14 days prior to step 2 registration)
Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) =< 3 x ULN (within 14 days prior to step 2 registration)
Total serum bilirubin level =< 1.5 x ULN; direct bilirubin =< ULN for subjects with total bilirubin > 1.5 x ULN (patients with isolated indirect bilirubin elevations and a history of Gilbert's syndrome are eligible) (within 14 days prior to step 2 registration)
Patients must be able to swallow and retain oral medications and not have gastrointestinal illnesses that would preclude absorption of tazemetostat as judged by the treating physician (20-OCT-2021)
Women of childbearing potential must be willing and able to use adequate contraception (hormonal and barrier method of birth control; abstinence) prior to study entry, for the duration of study participation, and for 6 months after the last dose of study agent; should a woman become pregnant or suspect she is pregnant while she is participating in this study, she should inform her treating physician immediately; theoretically, CYP3A induction with tazemetostat use may result in the loss of efficacy in hormonal contraceptives, thus a barrier method of contraception must be used in addition to hormonal contraceptives due to the potential drug-drug interaction with tazemetostat (20-OCT-2021)
The patient or a legally authorized representative must provide study-specific informed consent and authorization permitting release of personal health information prior to study entry
Patients with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial (08/13/2019)

Exclusion Criteria:

Prior treatment with an investigational EZH2 inhibitor
A prior history of myeloid malignancies, including myelodysplastic syndrome (MDS)
Abnormalities known to be associated with MDS (e.g. del 5q, chr 7 abn) and myeloproliferative neoplasms (MPN) (e.g. JAK2 V617F) observed in cytogenetic testing and deoxyribonucleic acid (DNA) sequencing
A prior history of T-cell lymphoblastic lymphoma (T-LBL)/T-cell acute lymphoblastic leukemia (T-ALL)
Patients who have had therapeutic paracentesis or thoracentesis within 8 weeks prior to step 2 registration (20-OCT-2021)
Patients with clinical or radiographic evidence of bowel obstruction (20-OCT-2021)
Severe, active co-morbidity per the treating investigator's discretion
Pregnant or lactating patients
Known human immunodeficiency virus (HIV) positive patients on combination antiretroviral therapy are ineligible because of the potential for pharmacokinetic interactions with tazemetostat; in addition, treatments involved in this protocol may be immunosuppressive, increasing the risk of lethal infections in this patient population
Treatment with strong and moderate inhibitors or inducers of CYP3A within 14 days of step 2 registration and during the study treatment (20-OCT-2021)

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: N/A
Interventional Model: Single Group Assignment
Masking: None (Open Label)

Number of Arms

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: Treatment (tazemetostat) Patients receive tazemetostat PO BID on days 1-28. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also undergo CT scans and MRI on study.	Procedure: Magnetic Resonance Imaging Undergo MRI Other Names: MRI Magnetic Resonance Magnetic Resonance Imaging Scan Medical Imaging, Magnetic Resonance / Nuclear Magnetic Resonance MR MR Imaging MRI Scan NMR Imaging NMRI Nuclear Magnetic Resonance Imaging Magnetic Resonance Imaging (MRI) sMRI Magnetic resonance imaging (procedure) MRIs Structural MRI Drug: Tazemetostat Given PO Other Names: EPZ-6438 E7438 EPZ6438 E 7438 E-7438 EPZ 6438 Procedure: Computed Tomography Undergo CT scan Other Names: CT CAT CAT Scan Computed Axial Tomography Computerized Axial Tomography Computerized Tomography CT Scan tomography Computerized axial tomography (procedure) Computerized Tomography (CT) scan Diagnostic CAT Scan Diagnostic CAT Scan Service Type

Participant Group / Arm

Intervention / Treatment

Experimental: Treatment (tazemetostat)

Patients receive tazemetostat PO BID on days 1-28. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also undergo CT scans and MRI on study.

Procedure: Magnetic Resonance Imaging

Undergo MRI

Other Names:

MRI
Magnetic Resonance
Magnetic Resonance Imaging Scan
Medical Imaging, Magnetic Resonance / Nuclear Magnetic Resonance
MR
MR Imaging
MRI Scan
NMR Imaging
NMRI
Nuclear Magnetic Resonance Imaging
Magnetic Resonance Imaging (MRI)
sMRI
Magnetic resonance imaging (procedure)
MRIs
Structural MRI

Drug: Tazemetostat

Given PO

Other Names:

EPZ-6438
E7438
EPZ6438
E 7438
E-7438
EPZ 6438

Procedure: Computed Tomography

Undergo CT scan

Other Names:

CT
CAT
CAT Scan
Computed Axial Tomography
Computerized Axial Tomography
Computerized Tomography
CT Scan
tomography
Computerized axial tomography (procedure)
Computerized Tomography (CT) scan
Diagnostic CAT Scan
Diagnostic CAT Scan Service Type

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Tumor Response Time Frame: Up to 6 months	Will be defined by Response Evaluation Criteria in Solid Tumors (RECIST) version (v) 1.1. The statistic reported is the response rate (i.e. (total responses / total at risk) * 100).	Up to 6 months

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Tumor Response in Patients With ARID1A Mutations Using Tumor Response (Removed as of Version Date 20-OCT-2021) Time Frame: Up to 6 months	Will be defined by RECIST v 1.1.	Up to 6 months
6-month Progression Free Survival (Clinical Benefit Rate) Time Frame: Up to 6 months	Six-month progression free survival (clinical benefit rate). The clinical benefit rate is the total number (or percentage) of patients who had a complete response, or a partial response or who had stable disease for six months or more.	Up to 6 months
Number of Patients With a Grade 3 (or Higher) Adverse Events Time Frame: Adverse events were collected for a maximum of 23.5 months (interquartile range: 1.4 months, 3.9 months).	Will be assessed according to grade of toxicity by organ or organ system. This will be reported by group (Endometrial or Ovarian). This study reported adverse events by CTCAE v5.0.	Adverse events were collected for a maximum of 23.5 months (interquartile range: 1.4 months, 3.9 months).
Progression-free Survival Time Frame: Progression-free survival times were collected for a maximum of 30.0 months (interquartile range: 1.8 months, 5.5 months).	Will be characterized by quartiles and the median of the distribution with confidence intervals. Kaplan-Meier plots will show an estimate of the survival function for these populations.	Progression-free survival times were collected for a maximum of 30.0 months (interquartile range: 1.8 months, 5.5 months).
Overall Survival Time Frame: Overall survival times were collected for a maximum of 51.6 months (interquartile range: 4.3 months, 19.0 months).	Will be characterized by quartiles and the median of the distribution with confidence intervals. Kaplan-Meier plots will show an estimate of the survival function for these populations.	Overall survival times were collected for a maximum of 51.6 months (interquartile range: 4.3 months, 19.0 months).

Other Outcome Measures

Outcome Measure	Measure Description	Time Frame
ARID1A Mutational Status Time Frame: Up to 6 months	Associations between BAF250a and ARID1A mutations may be examined with contingency table analysis (e.g. potentially including Chi-square analyses or Spearman's correlation).	Up to 6 months
BAF250a Expression Time Frame: Up to 6 months	Will be assessed by immunohistochemistry. Associations between BAF250a and ARID1A mutations may be examined with contingency table analysis (e.g. potentially including Chi-square analyses or Spearman's correlation).	Up to 6 months

Collaborators and Investigators

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

Sponsor

National Cancer Institute (NCI)

Collaborators

NRG Oncology

Investigators

Principal Investigator: Ramez N Eskander, NRG Oncology

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)

May 1, 2019

Primary Completion (Actual)

July 28, 2023

Study Completion (Estimated)

February 12, 2027

Study Registration Dates

First Submitted

November 20, 2017

First Submitted That Met QC Criteria

November 20, 2017

First Posted (Actual)

November 21, 2017

Study Record Updates

Last Update Posted (Actual)

May 29, 2026

Last Update Submitted That Met QC Criteria

May 28, 2026

Last Verified

February 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

NCI-2017-02147 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
U10CA180868 (U.S. NIH Grant/Contract)
NRG-GY014 (Other Identifier: CTEP)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

NCI is committed to sharing data in accordance with NIH policy. For more details on how clinical trial data is shared, access the link to the NIH data sharing policy page

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

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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Tazemetostat in Treating Patients With Recurrent Ovarian or Endometrial Cancer

A Phase II Study of Tazemetostat (EPZ-6438) in Recurrent or Persistent Endometrioid or Clear Cell Carcinoma of the Ovary, and Recurrent or Persistent Endometrioid Endometrial Adenocarcinoma

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

Study record dates

Study Major Dates

Study Start (Actual)

Primary Completion (Actual)

Study Completion (Estimated)

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

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

IPD Plan Description

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Studies a U.S. FDA-regulated device product

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