Testing the Addition of an Antiangiogenic Drug (Bevacizumab) to Chemotherapy (Carboplatin and Paclitaxel) Combined With Immunotherapy (Pembrolizumab) for pMMR, TP53 Mutated Endometrial Cancer

June 11, 2026 updated by: National Cancer Institute (NCI)

A Randomized Phase III Trial of Carboplatin, Paclitaxel, Pembrolizumab Versus Carboplatin, Paclitaxel, Bevacizumab Versus Carboplatin, Paclitaxel, Pembrolizumab, Bevacizumab in the Treatment of pMMR, TP53 Mutated Advanced or Recurrent Endometrial Cancer

This phase III trial compares the effect of bevacizumab in combination with carboplatin, paclitaxel and pembrolizumab to the usual treatments of carboplatin and paclitaxel with or without pembrolizumab in treating patients with stage III, IVA or IVB mismatch repair protein proficient (pMMR) and TP53 mutated endometrial cancer that may have spread from where it first started to nearby tissue, lymph nodes, or distant parts of the body (advanced) or that has come back after a period of improvement (recurrent). Bevacizumab is in a class of medications called antiangiogenic agents. It works by stopping the formation of blood vessels that bring oxygen and nutrients to tumor. This may slow the growth and spread of tumor. Carboplatin is in a class of medications known as platinum-containing compounds. Carboplatin works by killing, stopping or slowing the growth of tumor cells. Paclitaxel is in a class of medications called antimicrotubule agents. It stops tumor cells from growing and dividing and may kill them. Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the tumor, and may interfere with the ability of tumor cells to grow and spread. Adding bevacizumab to the combination of carboplatin, paclitaxel and pembrolizumab may be more effective than the usual treatment combinations of carboplatin and paclitaxel with or without pembrolizumab in treating patients with advanced or recurrent pMMR and TP53 mutated endometrial cancer.

Study Overview

Detailed Description

PRIMARY OBJECTIVE:

I. To demonstrate that bevacizumab, an anti-VEGF antibody therapy, (or an anti-VEGF antibody biosimilar) in combination with carboplatin, paclitaxel, and pembrolizumab is superior to carboplatin, paclitaxel, and pembrolizumab (the control arm) or carboplatin, paclitaxel, and bevacizumab in prolonging progression-free survival (PFS) in patients with pMMR, TP53 mutated advanced stage (III or IV) or recurrent endometrial cancer.

SECONDARY OBJECTIVES:

I. To demonstrate that bevacizumab in combination with carboplatin, paclitaxel, and pembrolizumab is superior to carboplatin, paclitaxel, and pembrolizumab or carboplatin, paclitaxel, and bevacizumab in prolonging overall survival (OS) in patients with pMMR, TP53 mutated advanced stage (III or IV) or recurrent endometrial cancer.

II. To examine the impact of the addition of bevacizumab in combination with carboplatin and paclitaxel or with carboplatin, paclitaxel, and pembrolizumab on PFS and OS based on type of p53 immunohistochemistry (IHC) aberrancy (over expression/cytoplasmic expression versus null [complete absence of staining]) and mutation type.

III. To evaluate toxicity on treatment with bevacizumab when combined with carboplatin, paclitaxel, and/or pembrolizumab as assessed by Common Terminology Criteria for Adverse Events (CTCAE) version (v.)5.0.

IV. To explore the anti-tumor activity in each treatment arm as assessed by objective response rate in the subset of patients with measurable disease by Response Evaluation Criteria in Solid Tumors (RECIST) 1.1.

OUTLINE: Patients are randomized to 1 of 3 arms.

ARM 1 (REFERENCE ARM): Patients receive paclitaxel intravenously (IV) over 3 hours, carboplatin IV and pembrolizumab IV over 30 minutes on day 1 of each cycle. Cycles repeat every 3 weeks for up to 6-10 cycles in the absence of disease progression or unacceptable toxicity. Starting 3 weeks after last combination phase cycle, patients may continue to receive maintenance pembrolizumab IV over 30 minutes on day 1 of each cycle. Cycles repeat every 6 weeks for up to an additional14 cycles. Additionally, patients undergo urine and blood sample collection and computed tomography (CT) or magnetic resonance imaging (MRI) throughout the study.

ARM 2 (EXPERIMENTAL TRIPLET ARM): Patients receive paclitaxel IV over 3 hours, carboplatin IV, and bevacizumab IV or anti-VEGF antibody biosimilar on day 1 of each cycle. Cycles repeat every 3 weeks for up to 6-10 cycles in the absence of disease progression or unacceptable toxicity. Starting 3 weeks after last combination phase cycle, patients may continue to receive maintenance bevacizumab IV on day 1 of each cycle. Treatment repeats every 3 weeks for up to an additional 28 doses. Additionally, patients undergo urine and blood sample collection and CT or MRI throughout the study.

ARM 3 (EXPERIMENTAL QUADRUPLET ARM): Patients receive paclitaxel IV over 3 hours, carboplatin IV, pembrolizumab IV over 30 minutes, and bevacizumab IV or anti-VEGF antibody biosimilar on day 1 of each cycle. Cycles repeat every 3 weeks for up to 6-10 cycles in the absence of disease progression or unacceptable toxicity. Starting 3 weeks after last combination phase cycle, patients may continue to receive maintenance pembrolizumab IV over 30 minutes every 6 weeks for up to an additional 14 cycles and bevacizumab IV every 3 weeks for up to an additional 28 doses. Additionally, patients undergo urine and blood sample collection and CT or MRI throughout the study.

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

Study Type

Interventional

Enrollment (Estimated)

255

Phase

  • Phase 3

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

    • Alabama
      • Birmingham, Alabama, United States, 35233
        • Recruiting
        • University of Alabama at Birmingham Cancer Center
        • Principal Investigator:
          • Michael D. Toboni
        • Contact:
    • Alaska
      • Anchorage, Alaska, United States, 99508
    • Arizona
      • Phoenix, Arizona, United States, 85004
    • Arkansas
      • Fayetteville, Arkansas, United States, 72703
        • Recruiting
        • Highlands Oncology Group - Fayetteville
        • Principal Investigator:
          • Joseph T. Beck
        • Contact:
      • Little Rock, Arkansas, United States, 72205
        • Recruiting
        • University of Arkansas for Medical Sciences
        • Contact:
          • Site Public Contact
          • Phone Number: 501-686-8274
        • Principal Investigator:
          • Heather R. Williams
      • Rogers, Arkansas, United States, 72758
        • Recruiting
        • Highlands Oncology Group - Rogers
        • Principal Investigator:
          • Joseph T. Beck
        • Contact:
      • Springdale, Arkansas, United States, 72762
        • Recruiting
        • Highlands Oncology Group
        • Principal Investigator:
          • Joseph T. Beck
        • Contact:
    • California
      • Carmichael, California, United States, 95608
      • Carmichael, California, United States, 95608
      • Elk Grove, California, United States, 95758
      • Los Angeles, California, United States, 90033
        • Recruiting
        • USC / Norris Comprehensive Cancer Center
        • Contact:
          • Site Public Contact
          • Phone Number: 323-865-0451
        • Principal Investigator:
          • Koji Matsuo
      • Los Angeles, California, United States, 90033
        • Recruiting
        • Los Angeles General Medical Center
        • Principal Investigator:
          • Koji Matsuo
        • Contact:
      • Palo Alto, California, United States, 94304
        • Recruiting
        • Stanford Cancer Institute Palo Alto
        • Contact:
        • Principal Investigator:
          • Kristin L. Bixel
      • Rancho Mirage, California, United States, 92270
        • Recruiting
        • Eisenhower Medical Center
        • Principal Investigator:
          • Mark Genesen
        • Contact:
          • Site Public Contact
          • Phone Number: 760-834-3798
      • Rocklin, California, United States, 95765
      • Sacramento, California, United States, 95817
        • Recruiting
        • University of California Davis Comprehensive Cancer Center
        • Contact:
          • Site Public Contact
          • Phone Number: 916-734-3089
        • Principal Investigator:
          • Nancy T. Nguyen
      • Sacramento, California, United States, 95816
      • Woodland, California, United States, 95695
    • Delaware
      • Millville, Delaware, United States, 19967
        • Recruiting
        • Beebe South Coastal Health Campus
        • Contact:
        • Principal Investigator:
          • Gregory A. Masters
      • Newark, Delaware, United States, 19713
        • Recruiting
        • Helen F Graham Cancer Center
        • Principal Investigator:
          • Gregory A. Masters
        • Contact:
      • Newark, Delaware, United States, 19713
        • Recruiting
        • Medical Oncology Hematology Consultants PA
        • Principal Investigator:
          • Gregory A. Masters
        • Contact:
      • Rehoboth Beach, Delaware, United States, 19971
        • Recruiting
        • Beebe Health Campus
        • Contact:
        • Principal Investigator:
          • Gregory A. Masters
    • Georgia
      • Atlanta, Georgia, United States, 30322
        • Recruiting
        • Emory University Hospital/Winship Cancer Institute
        • Principal Investigator:
          • Kristen Starbuck
        • Contact:
          • Site Public Contact
          • Phone Number: 404-778-1868
      • Atlanta, Georgia, United States, 30308
        • Recruiting
        • Emory University Hospital Midtown
        • Principal Investigator:
          • Kristen Starbuck
        • Contact:
          • Site Public Contact
          • Phone Number: 888-946-7447
      • Augusta, Georgia, United States, 30912
        • Suspended
        • Augusta University Medical Center
      • Decatur, Georgia, United States, 30033
    • Idaho
      • Coeur d'Alene, Idaho, United States, 83814
        • Recruiting
        • Kootenai Health - Coeur d'Alene
        • Principal Investigator:
          • John M. Schallenkamp
        • Contact:
      • Post Falls, Idaho, United States, 83854
        • Recruiting
        • Kootenai Clinic Cancer Services - Post Falls
        • Principal Investigator:
          • John M. Schallenkamp
        • Contact:
      • Sandpoint, Idaho, United States, 83864
        • Recruiting
        • Kootenai Clinic Cancer Services - Sandpoint
        • Principal Investigator:
          • John M. Schallenkamp
        • Contact:
    • Illinois
      • Chicago, Illinois, United States, 60611
        • Recruiting
        • Northwestern University
        • Contact:
        • Principal Investigator:
          • Emma Barber
      • Chicago, Illinois, United States, 60612
        • Recruiting
        • Rush MD Anderson Cancer Center
        • Principal Investigator:
          • Alexander C. Cohen
        • Contact:
      • DeKalb, Illinois, United States, 60115
        • Recruiting
        • Northwestern Medicine Cancer Center Kishwaukee
        • Contact:
        • Principal Investigator:
          • Emma Barber
      • Decatur, Illinois, United States, 62526
        • Recruiting
        • Cancer Care Specialists of Illinois - Decatur
        • Principal Investigator:
          • Bryan A. Faller
        • Contact:
      • Decatur, Illinois, United States, 62526
        • Recruiting
        • Decatur Memorial Hospital
        • Principal Investigator:
          • Bryan A. Faller
        • Contact:
      • Geneva, Illinois, United States, 60134
        • Recruiting
        • Northwestern Medicine Cancer Center Delnor
        • Contact:
        • Principal Investigator:
          • Emma Barber
      • Oak Brook, Illinois, United States, 60523
      • Oak Park, Illinois, United States, 60304
        • Recruiting
        • Rush MD Anderson Cancer Center at Rush Oak Park
        • Principal Investigator:
          • Alexander C. Cohen
        • Contact:
      • Orland Park, Illinois, United States, 60462
      • Peoria, Illinois, United States, 61637
        • Recruiting
        • OSF Saint Francis Medical Center
        • Contact:
        • Principal Investigator:
          • Bryan A. Faller
      • Springfield, Illinois, United States, 62702
        • Recruiting
        • Southern Illinois University School of Medicine
        • Principal Investigator:
          • Bryan A. Faller
        • Contact:
          • Site Public Contact
          • Phone Number: 217-545-7929
      • Springfield, Illinois, United States, 62702
        • Recruiting
        • Springfield Clinic
        • Principal Investigator:
          • Bryan A. Faller
        • Contact:
          • Site Public Contact
          • Phone Number: 800-444-7541
      • Springfield, Illinois, United States, 62781
        • Recruiting
        • Springfield Memorial Hospital
        • Principal Investigator:
          • Bryan A. Faller
        • Contact:
      • Warrenville, Illinois, United States, 60555
        • Recruiting
        • Northwestern Medicine Cancer Center Warrenville
        • Contact:
        • Principal Investigator:
          • Emma Barber
    • Indiana
      • Goshen, Indiana, United States, 46526
        • Recruiting
        • Goshen Center for Cancer Care
        • Contact:
        • Principal Investigator:
          • Pamela J. Stone
      • South Bend, Indiana, United States, 46601
        • Recruiting
        • Memorial Hospital of South Bend
        • Contact:
          • Site Public Contact
          • Phone Number: 800-284-7370
        • Principal Investigator:
          • LaToya J. Perry
    • Iowa
      • Ankeny, Iowa, United States, 50023
        • Recruiting
        • UI Health Care Mission Cancer and Blood - Ankeny Clinic
        • Contact:
          • Site Public Contact
          • Phone Number: 515-241-3305
        • Principal Investigator:
          • Seema Harichand-Herdt
      • Carroll, Iowa, United States, 51401
        • Recruiting
        • Saint Anthony Regional Hospital
        • Contact:
        • Principal Investigator:
          • Seema Harichand-Herdt
      • Cedar Rapids, Iowa, United States, 52403
        • Recruiting
        • Mercy Hospital
        • Contact:
          • Site Public Contact
          • Phone Number: 319-365-4673
        • Principal Investigator:
          • Deborah W. Wilbur
      • Cedar Rapids, Iowa, United States, 52403
        • Recruiting
        • Oncology Associates at Mercy Medical Center
        • Principal Investigator:
          • Deborah W. Wilbur
        • Contact:
          • Site Public Contact
          • Phone Number: 319-363-2690
      • Clive, Iowa, United States, 50325
        • Recruiting
        • UI Health Care Mission Cancer and Blood - West Des Moines Clinic
        • Contact:
          • Site Public Contact
          • Phone Number: 515-241-3305
        • Principal Investigator:
          • Seema Harichand-Herdt
      • Des Moines, Iowa, United States, 50314
        • Recruiting
        • Broadlawns Medical Center
        • Contact:
          • Site Public Contact
          • Phone Number: 515-282-2200
        • Principal Investigator:
          • Seema Harichand-Herdt
      • Des Moines, Iowa, United States, 50314
        • Recruiting
        • Mercy Medical Center - Des Moines
        • Contact:
          • Site Public Contact
          • Phone Number: 515-241-3305
        • Principal Investigator:
          • Richard L. Deming
      • Des Moines, Iowa, United States, 50309
        • Recruiting
        • Iowa Methodist Medical Center
        • Contact:
          • Site Public Contact
          • Phone Number: 515-241-6727
        • Principal Investigator:
          • Seema Harichand-Herdt
      • Des Moines, Iowa, United States, 50309
        • Recruiting
        • UI Health Care Mission Cancer and Blood - Des Moines Clinic
        • Contact:
          • Site Public Contact
          • Phone Number: 515-241-3305
        • Principal Investigator:
          • Seema Harichand-Herdt
      • Des Moines, Iowa, United States, 50314
        • Recruiting
        • UI Health Care Mission Cancer and Blood - Laurel Clinic
        • Contact:
          • Site Public Contact
          • Phone Number: 515-241-3305
        • Principal Investigator:
          • Seema Harichand-Herdt
      • Fort Dodge, Iowa, United States, 50501
        • Recruiting
        • UI Healthcare Mission Cancer and Blood - Fort Dodge
        • Principal Investigator:
          • Seema Harichand-Herdt
        • Contact:
      • Iowa City, Iowa, United States, 52242
        • Recruiting
        • University of Iowa/Holden Comprehensive Cancer Center
        • Contact:
          • Site Public Contact
          • Phone Number: 800-237-1225
        • Principal Investigator:
          • David P. Bender
      • Waukee, Iowa, United States, 50263
        • Recruiting
        • UI Health Care Mission Cancer and Blood - Waukee Clinic
        • Contact:
          • Site Public Contact
          • Phone Number: 515-241-3305
        • Principal Investigator:
          • Seema Harichand-Herdt
    • Kentucky
      • Lexington, Kentucky, United States, 40536
        • Recruiting
        • University of Kentucky/Markey Cancer Center
        • Contact:
          • Site Public Contact
          • Phone Number: 859-257-3379
        • Principal Investigator:
          • Rachel W. Miller
    • Louisiana
      • Marrero, Louisiana, United States, 70072
        • Recruiting
        • West Jefferson Medical Center
        • Contact:
        • Principal Investigator:
          • Tara Castellano
      • Metairie, Louisiana, United States, 70006
        • Recruiting
        • East Jefferson General Hospital
        • Contact:
        • Principal Investigator:
          • Tara Castellano
      • Metairie, Louisiana, United States, 70006
        • Recruiting
        • LSU Healthcare Network / Metairie Multi-Specialty Clinic
        • Contact:
        • Principal Investigator:
          • Tara Castellano
      • New Orleans, Louisiana, United States, 70112
        • Recruiting
        • University Medical Center New Orleans
        • Contact:
        • Principal Investigator:
          • Tara Castellano
    • Maine
      • Scarborough, Maine, United States, 04074
        • Recruiting
        • MaineHealth Maine Medical Center- Scarborough
        • Principal Investigator:
          • Leslie S. Bradford
        • Contact:
    • Maryland
      • Baltimore, Maryland, United States, 21287
        • Recruiting
        • Johns Hopkins University/Sidney Kimmel Cancer Center
        • Contact:
        • Principal Investigator:
          • Amanda N. Fader
    • Massachusetts
      • Boston, Massachusetts, United States, 02215
        • Recruiting
        • Dana-Farber Cancer Institute
        • Contact:
          • Site Public Contact
          • Phone Number: 877-442-3324
        • Principal Investigator:
          • Susana M. Campos
    • Michigan
      • Ann Arbor, Michigan, United States, 48109
        • Recruiting
        • University of Michigan Rogel Cancer Center
        • Contact:
        • Principal Investigator:
          • Zhen Ni Zhou
      • Battle Creek, Michigan, United States, 49017
        • Recruiting
        • Bronson Battle Creek
        • Contact:
        • Principal Investigator:
          • Kathleen Y. Butler
      • Brighton, Michigan, United States, 48114
        • Recruiting
        • Trinity Health IHA Medical Group Hematology Oncology - Brighton
        • Contact:
        • Principal Investigator:
          • J. R. Liu
      • Brighton, Michigan, United States, 48116
        • Recruiting
        • University of Michigan - Brighton Center for Specialty Care
        • Contact:
          • Site Public Contact
          • Phone Number: 800-865-1125
        • Principal Investigator:
          • Zhen Ni Zhou
      • Canton, Michigan, United States, 48188
        • Recruiting
        • Trinity Health IHA Medical Group Hematology Oncology - Canton
        • Contact:
        • Principal Investigator:
          • J. R. Liu
      • Chelsea, Michigan, United States, 48118
        • Recruiting
        • Trinity Health IHA Medical Group Hematology Oncology - Chelsea Hospital
        • Contact:
        • Principal Investigator:
          • J. R. Liu
      • Escanaba, Michigan, United States, 49829
        • Recruiting
        • OSF Saint Francis Hospital and Medical Group
        • Principal Investigator:
          • Matthew L. Ryan
        • Contact:
      • Flint, Michigan, United States, 48503
        • Recruiting
        • Genesys Hurley Cancer Institute
        • Contact:
        • Principal Investigator:
          • J. R. Liu
      • Flint, Michigan, United States, 48503
        • Recruiting
        • Hurley Medical Center
        • Contact:
        • Principal Investigator:
          • J. R. Liu
      • Grand Rapids, Michigan, United States, 49503
        • Recruiting
        • Trinity Health Grand Rapids Hospital
        • Contact:
        • Principal Investigator:
          • Kathleen Y. Butler
      • Grand Rapids, Michigan, United States, 49503
        • Recruiting
        • Corewell Health Grand Rapids Hospitals - Butterworth Hospital
        • Contact:
        • Principal Investigator:
          • Kathleen Y. Butler
      • Kalamazoo, Michigan, United States, 49007
        • Recruiting
        • Bronson Methodist Hospital
        • Contact:
        • Principal Investigator:
          • Kathleen Y. Butler
      • Kalamazoo, Michigan, United States, 49007
        • Recruiting
        • West Michigan Cancer Center
        • Contact:
        • Principal Investigator:
          • Kathleen Y. Butler
      • Kalamazoo, Michigan, United States, 49009
        • Recruiting
        • Beacon Kalamazoo Cancer Center
        • Principal Investigator:
          • Kathleen Y. Butler
        • Contact:
          • Site Public Contact
          • Phone Number: 574-647-7370
      • Livonia, Michigan, United States, 48154
        • Recruiting
        • Trinity Health Saint Mary Mercy Livonia Hospital
        • Contact:
        • Principal Investigator:
          • J. R. Liu
      • Muskegon, Michigan, United States, 49444
        • Recruiting
        • Trinity Health Muskegon Hospital
        • Contact:
        • Principal Investigator:
          • Kathleen Y. Butler
      • Niles, Michigan, United States, 49120
        • Recruiting
        • Corewell Health Lakeland Hospitals - Niles Hospital
        • Contact:
          • Site Public Contact
          • Phone Number: 616-391-1230
        • Principal Investigator:
          • Kathleen Y. Butler
      • Norton Shores, Michigan, United States, 49444
        • Recruiting
        • Cancer and Hematology Centers of Western Michigan - Norton Shores
        • Contact:
        • Principal Investigator:
          • Kathleen Y. Butler
      • Pontiac, Michigan, United States, 48341
        • Recruiting
        • Trinity Health Saint Joseph Mercy Oakland Hospital
        • Contact:
        • Principal Investigator:
          • J. R. Liu
      • Reed City, Michigan, United States, 49677
        • Recruiting
        • Corewell Health Reed City Hospital
        • Contact:
        • Principal Investigator:
          • Kathleen Y. Butler
      • Saint Joseph, Michigan, United States, 49085
        • Recruiting
        • Corewell Health Lakeland Hospitals - Marie Yeager Cancer Center
        • Contact:
        • Principal Investigator:
          • Kathleen Y. Butler
      • Saint Joseph, Michigan, United States, 49085
        • Recruiting
        • Corewell Health Lakeland Hospitals - Saint Joseph Hospital
        • Contact:
        • Principal Investigator:
          • Kathleen Y. Butler
      • Traverse City, Michigan, United States, 49684
        • Recruiting
        • Munson Medical Center
        • Contact:
        • Principal Investigator:
          • Kathleen Y. Butler
      • Wyoming, Michigan, United States, 49519
        • Recruiting
        • University of Michigan Health - West
        • Contact:
        • Principal Investigator:
          • Kathleen Y. Butler
      • Ypsilanti, Michigan, United States, 48197
        • Recruiting
        • Trinity Health IHA Medical Group Hematology Oncology Ann Arbor Campus
        • Contact:
        • Principal Investigator:
          • J. R. Liu
    • Minnesota
      • Brainerd, Minnesota, United States, 56401
        • Recruiting
        • Essentia Health Saint Joseph's Medical Center
        • Contact:
        • Principal Investigator:
          • Bret E. Friday
      • Coon Rapids, Minnesota, United States, 55433
        • Recruiting
        • Mercy Hospital
        • Contact:
        • Principal Investigator:
          • Yan Ji
      • Deer River, Minnesota, United States, 56636
        • Recruiting
        • Essentia Health - Deer River Clinic
        • Contact:
        • Principal Investigator:
          • Bret E. Friday
      • Duluth, Minnesota, United States, 55805
        • Recruiting
        • Essentia Health Cancer Center
        • Contact:
        • Principal Investigator:
          • Bret E. Friday
      • Edina, Minnesota, United States, 55435
        • Recruiting
        • Fairview Southdale Hospital
        • Contact:
        • Principal Investigator:
          • Yan Ji
      • Hibbing, Minnesota, United States, 55746
        • Recruiting
        • Essentia Health Hibbing Clinic
        • Principal Investigator:
          • Bret E. Friday
        • Contact:
          • Site Public Contact
          • Phone Number: 218-786-3308
      • Minneapolis, Minnesota, United States, 55407
        • Recruiting
        • Abbott-Northwestern Hospital
        • Contact:
        • Principal Investigator:
          • Yan Ji
      • Saint Louis Park, Minnesota, United States, 55416
        • Recruiting
        • Park Nicollet Clinic - Saint Louis Park
        • Contact:
        • Principal Investigator:
          • Yan Ji
      • Saint Paul, Minnesota, United States, 55101
        • Recruiting
        • Regions Hospital
        • Contact:
        • Principal Investigator:
          • Yan Ji
      • Saint Paul, Minnesota, United States, 55102
        • Recruiting
        • United Hospital
        • Contact:
        • Principal Investigator:
          • Yan Ji
      • Sandstone, Minnesota, United States, 55072
        • Recruiting
        • Essentia Health Sandstone
        • Contact:
        • Principal Investigator:
          • Bret E. Friday
      • Virginia, Minnesota, United States, 55792
        • Recruiting
        • Essentia Health Virginia Clinic
        • Contact:
        • Principal Investigator:
          • Bret E. Friday
      • Woodbury, Minnesota, United States, 55125
        • Recruiting
        • Minnesota Oncology Hematology PA-Woodbury
        • Contact:
        • Principal Investigator:
          • Yan Ji
    • Missouri
      • Springfield, Missouri, United States, 65804
        • Recruiting
        • Mercy Hospital Springfield
        • Principal Investigator:
          • Jay W. Carlson
        • Contact:
          • Site Public Contact
          • Phone Number: 417-269-4520
      • Springfield, Missouri, United States, 65807
        • Recruiting
        • CoxHealth South Hospital
        • Principal Investigator:
          • Jay W. Carlson
        • Contact:
          • Site Public Contact
          • Phone Number: 417-269-4520
    • Montana
      • Anaconda, Montana, United States, 59711
        • Recruiting
        • Community Hospital of Anaconda
        • Principal Investigator:
          • John M. Schallenkamp
        • Contact:
      • Billings, Montana, United States, 59101
        • Recruiting
        • Billings Clinic Cancer Center
        • Principal Investigator:
          • John M. Schallenkamp
        • Contact:
      • Bozeman, Montana, United States, 59715
        • Recruiting
        • Bozeman Health Deaconess Hospital
        • Principal Investigator:
          • John M. Schallenkamp
        • Contact:
      • Great Falls, Montana, United States, 59405
        • Recruiting
        • Benefis Sletten Cancer Institute
        • Principal Investigator:
          • John M. Schallenkamp
        • Contact:
      • Kalispell, Montana, United States, 59901
        • Recruiting
        • Logan Health Medical Center
        • Principal Investigator:
          • John M. Schallenkamp
        • Contact:
      • Missoula, Montana, United States, 59804
        • Recruiting
        • Community Medical Center
        • Principal Investigator:
          • John M. Schallenkamp
        • Contact:
    • Nebraska
      • Bellevue, Nebraska, United States, 68123
        • Recruiting
        • Nebraska Medicine-Bellevue
        • Contact:
        • Principal Investigator:
          • Lindsey A. McAlarnen
      • Kearney, Nebraska, United States, 68845
        • Recruiting
        • Fred and Pamela Buffett Cancer Center - Kearney
        • Contact:
        • Principal Investigator:
          • Lindsey A. McAlarnen
      • Omaha, Nebraska, United States, 68198
        • Recruiting
        • University of Nebraska Medical Center
        • Contact:
        • Principal Investigator:
          • Lindsey A. McAlarnen
      • Omaha, Nebraska, United States, 68114
        • Recruiting
        • Nebraska Methodist Hospital
        • Contact:
          • Site Public Contact
          • Phone Number: 402-354-5144
        • Principal Investigator:
          • Brent J. Tierney
      • Omaha, Nebraska, United States, 68118
        • Recruiting
        • Nebraska Medicine-Village Pointe
        • Contact:
          • Site Public Contact
          • Phone Number: 402-559-5600
        • Principal Investigator:
          • Lindsey A. McAlarnen
    • Nevada
      • Las Vegas, Nevada, United States, 89106
        • Recruiting
        • Women's Cancer Center of Nevada
        • Principal Investigator:
          • Nicola M. Spirtos
        • Contact:
          • Site Public Contact
          • Phone Number: 702-851-4672
    • New Jersey
      • Basking Ridge, New Jersey, United States, 07920
        • Recruiting
        • Memorial Sloan Kettering Basking Ridge
        • Contact:
          • Site Public Contact
          • Phone Number: 212-639-7592
        • Principal Investigator:
          • Carol Aghajanian
      • Middletown, New Jersey, United States, 07748
        • Recruiting
        • Memorial Sloan Kettering Monmouth
        • Contact:
          • Site Public Contact
          • Phone Number: 212-639-7592
        • Principal Investigator:
          • Carol Aghajanian
      • Montvale, New Jersey, United States, 07645
        • Recruiting
        • Memorial Sloan Kettering Bergen
        • Contact:
          • Site Public Contact
          • Phone Number: 212-639-7592
        • Principal Investigator:
          • Carol Aghajanian
      • New Brunswick, New Jersey, United States, 08903
        • Recruiting
        • Rutgers Cancer Institute of New Jersey
        • Contact:
          • Site Public Contact
          • Phone Number: 732-235-7356
        • Principal Investigator:
          • Eugenia Girda
      • Newark, New Jersey, United States, 07101
        • Recruiting
        • Rutgers New Jersey Medical School
        • Contact:
          • Site Public Contact
          • Phone Number: 732-235-7356
        • Principal Investigator:
          • Eugenia Girda
      • Paramus, New Jersey, United States, 07652
        • Recruiting
        • The Valley Hospital - Luckow Pavilion
        • Principal Investigator:
          • Eleonora Teplinsky
        • Contact:
      • Ridgewood, New Jersey, United States, 07450
        • Recruiting
        • Valley Health System Ridgewood Campus
        • Principal Investigator:
          • Eleonora Teplinsky
        • Contact:
      • Sewell, New Jersey, United States, 08080
        • Recruiting
        • Sidney Kimmel Cancer Center Washington Township
        • Contact:
        • Principal Investigator:
          • Jessa Suhner
    • New Mexico
      • Albuquerque, New Mexico, United States, 87106
        • Recruiting
        • University of New Mexico Cancer Center
        • Contact:
        • Principal Investigator:
          • Amaranta D. Craig
    • New York
      • Bay Shore, New York, United States, 11706
        • Recruiting
        • Northwell Health Imbert Cancer Center
        • Principal Investigator:
          • Veena S. John
        • Contact:
          • Site Public Contact
          • Phone Number: 516-734-8896
      • Commack, New York, United States, 11725
        • Recruiting
        • Memorial Sloan Kettering Commack
        • Contact:
          • Site Public Contact
          • Phone Number: 212-639-7592
        • Principal Investigator:
          • Carol Aghajanian
      • Flushing, New York, United States, 11354
        • Recruiting
        • Northwell Health Physician Partners at Flushing
        • Principal Investigator:
          • Veena S. John
        • Contact:
      • Greenlawn, New York, United States, 11740
        • Recruiting
        • Northwell Health Cancer Institute at Huntington
        • Principal Investigator:
          • Veena S. John
        • Contact:
          • Site Public Contact
          • Phone Number: 516-734-8896
      • Harrison, New York, United States, 10604
        • Recruiting
        • Memorial Sloan Kettering Westchester
        • Contact:
          • Site Public Contact
          • Phone Number: 212-639-7592
        • Principal Investigator:
          • Carol Aghajanian
      • Lake Success, New York, United States, 11042
        • Recruiting
        • Northwell Health/Center for Advanced Medicine
        • Principal Investigator:
          • Veena S. John
        • Contact:
          • Site Public Contact
          • Phone Number: 516-734-8896
      • New York, New York, United States, 10065
        • Recruiting
        • Memorial Sloan Kettering Cancer Center
        • Contact:
          • Site Public Contact
          • Phone Number: 212-639-7592
        • Principal Investigator:
          • Carol Aghajanian
      • New York, New York, United States, 10075
        • Recruiting
        • Lenox Hill Hospital
        • Principal Investigator:
          • Veena S. John
        • Contact:
          • Site Public Contact
          • Phone Number: 516-734-8896
      • New York, New York, United States, 10065
        • Recruiting
        • Manhattan Eye Ear and Throat Hospital
        • Principal Investigator:
          • Veena S. John
        • Contact:
          • Site Public Contact
          • Phone Number: 212-434-4460
      • Rego Park, New York, United States, 11374
        • Recruiting
        • Queens Cancer Center
        • Principal Investigator:
          • Veena S. John
        • Contact:
          • Site Public Contact
          • Phone Number: 718-312-3446
      • Sleepy Hollow, New York, United States, 10591
        • Recruiting
        • Phelps Memorial Hospital Center
        • Principal Investigator:
          • Veena S. John
        • Contact:
          • Site Public Contact
          • Phone Number: 914-366-1600
      • Staten Island, New York, United States, 10305
        • Recruiting
        • Staten Island University Hospital
        • Principal Investigator:
          • Veena S. John
        • Contact:
          • Site Public Contact
          • Phone Number: 718-226-8888
      • Stony Brook, New York, United States, 11794
        • Recruiting
        • Stony Brook University Medical Center
        • Contact:
          • Site Public Contact
          • Phone Number: 800-862-2215
        • Principal Investigator:
          • Susan M. Lang
      • The Bronx, New York, United States, 10461
        • Recruiting
        • Montefiore Medical Center-Einstein Campus
        • Contact:
        • Principal Investigator:
          • Nicole S. Nevadunsky
      • The Bronx, New York, United States, 10467
        • Recruiting
        • Montefiore Medical Center - Moses Campus
        • Contact:
        • Principal Investigator:
          • Nicole S. Nevadunsky
      • The Bronx, New York, United States, 10461
        • Recruiting
        • Montefiore Medical Center-Weiler Hospital
        • Contact:
        • Principal Investigator:
          • Nicole S. Nevadunsky
      • Uniondale, New York, United States, 11553
        • Recruiting
        • Memorial Sloan Kettering Nassau
        • Contact:
          • Site Public Contact
          • Phone Number: 212-639-7592
        • Principal Investigator:
          • Carol Aghajanian
    • North Carolina
      • Chapel Hill, North Carolina, United States, 27599
        • Recruiting
        • UNC Lineberger Comprehensive Cancer Center
        • Contact:
        • Principal Investigator:
          • Olivia D. Lara
      • Clinton, North Carolina, United States, 28328
        • Recruiting
        • Southeastern Medical Oncology Center-Clinton
        • Contact:
        • Principal Investigator:
          • Samer S. Kasbari
      • Durham, North Carolina, United States, 27710
        • Recruiting
        • Duke University Medical Center
        • Principal Investigator:
          • Angeles A. Secord
        • Contact:
          • Site Public Contact
          • Phone Number: 888-275-3853
      • Goldsboro, North Carolina, United States, 27534
        • Recruiting
        • Southeastern Medical Oncology Center-Goldsboro
        • Contact:
        • Principal Investigator:
          • Samer S. Kasbari
      • Jacksonville, North Carolina, United States, 28546
        • Recruiting
        • Southeastern Medical Oncology Center-Jacksonville
        • Principal Investigator:
          • Samer S. Kasbari
        • Contact:
      • Raleigh, North Carolina, United States, 27607
        • Recruiting
        • Duke Women's Cancer Care Raleigh
        • Principal Investigator:
          • Angeles A. Secord
        • Contact:
          • Site Public Contact
          • Phone Number: 919-785-4878
    • North Dakota
      • Fargo, North Dakota, United States, 58103
        • Recruiting
        • Essentia Health Cancer Center-South University Clinic
        • Contact:
        • Principal Investigator:
          • Bret E. Friday
    • Ohio
      • Athens, Ohio, United States, 45701
        • Recruiting
        • OhioHealth O'Bleness Hospital
        • Principal Investigator:
          • Aine E. Clements
        • Contact:
      • Beachwood, Ohio, United States, 44122
        • Recruiting
        • UHHS-Chagrin Highlands Medical Center
        • Contact:
        • Principal Investigator:
          • Amy Armstrong
      • Chardon, Ohio, United States, 44024
        • Recruiting
        • Geauga Hospital
        • Contact:
        • Principal Investigator:
          • Amy Armstrong
      • Cleveland, Ohio, United States, 44106
        • Recruiting
        • Case Western Reserve University
        • Contact:
        • Principal Investigator:
          • Amy Armstrong
      • Columbus, Ohio, United States, 43214
        • Recruiting
        • Columbus Oncology and Hematology Associates Inc
        • Principal Investigator:
          • Aine E. Clements
        • Contact:
      • Columbus, Ohio, United States, 43214
        • Recruiting
        • Riverside Methodist Hospital
        • Principal Investigator:
          • Aine E. Clements
        • Contact:
      • Columbus, Ohio, United States, 43215
        • Recruiting
        • Grant Medical Center
        • Principal Investigator:
          • Aine E. Clements
        • Contact:
      • Columbus, Ohio, United States, 43228
        • Recruiting
        • Doctors Hospital
        • Principal Investigator:
          • Aine E. Clements
        • Contact:
      • Columbus, Ohio, United States, 43210
        • Recruiting
        • Ohio State University Comprehensive Cancer Center
        • Contact:
        • Principal Investigator:
          • Floor Backes
      • Delaware, Ohio, United States, 43015
        • Recruiting
        • Delaware Health Center-Grady Cancer Center
        • Principal Investigator:
          • Aine E. Clements
        • Contact:
      • Delaware, Ohio, United States, 43015
        • Recruiting
        • Grady Memorial Hospital
        • Principal Investigator:
          • Aine E. Clements
        • Contact:
      • Dublin, Ohio, United States, 43016
        • Recruiting
        • Columbus Oncology and Hematology Associates
        • Principal Investigator:
          • Aine E. Clements
        • Contact:
      • Dublin, Ohio, United States, 43016
        • Recruiting
        • Dublin Methodist Hospital
        • Principal Investigator:
          • Aine E. Clements
        • Contact:
      • Mansfield, Ohio, United States, 44903
        • Recruiting
        • OhioHealth Mansfield Hospital
        • Principal Investigator:
          • Aine E. Clements
        • Contact:
      • Marion, Ohio, United States, 43302
        • Recruiting
        • OhioHealth Marion General Hospital
        • Principal Investigator:
          • Aine E. Clements
        • Contact:
      • Mentor, Ohio, United States, 44060
        • Recruiting
        • UH Seidman Cancer Center at Lake Health Mentor Campus
        • Contact:
        • Principal Investigator:
          • Amy Armstrong
      • Parma, Ohio, United States, 44129
        • Recruiting
        • University Hospitals Parma Medical Center
        • Contact:
        • Principal Investigator:
          • Amy Armstrong
      • Pickerington, Ohio, United States, 43147
        • Recruiting
        • OhioHealth Pickerington Methodist Hospital
        • Principal Investigator:
          • Aine E. Clements
        • Contact:
      • Sylvania, Ohio, United States, 43560
        • Recruiting
        • ProMedica Flower Hospital
        • Contact:
        • Principal Investigator:
          • Anjalika Gandhi
      • Westerville, Ohio, United States, 43082
        • Recruiting
        • OhioHealth Westerville Medical Campus/Westerville Cancer Center
        • Principal Investigator:
          • Aine E. Clements
        • Contact:
      • Westlake, Ohio, United States, 44145
        • Recruiting
        • UH Seidman Cancer Center at Saint John Medical Center
        • Contact:
        • Principal Investigator:
          • Amy Armstrong
    • Oklahoma
      • Oklahoma City, Oklahoma, United States, 73104
        • Recruiting
        • University of Oklahoma Health Sciences Center
        • Contact:
        • Principal Investigator:
          • Grace Duininck
    • Oregon
      • Portland, Oregon, United States, 97213
        • Recruiting
        • Providence Portland Medical Center
        • Principal Investigator:
          • Dan S. Zuckerman
        • Contact:
      • Portland, Oregon, United States, 97225
        • Recruiting
        • Providence Saint Vincent Medical Center
        • Principal Investigator:
          • Dan S. Zuckerman
        • Contact:
      • Portland, Oregon, United States, 97210
        • Recruiting
        • Legacy Good Samaritan Hospital and Medical Center
        • Contact:
          • Site Public Contact
          • Phone Number: 800-220-4937
          • Email: cancer@lhs.org
        • Principal Investigator:
          • Julia Fehniger
      • Tualatin, Oregon, United States, 97062
        • Recruiting
        • Legacy Meridian Park Hospital
        • Contact:
          • Site Public Contact
          • Phone Number: 503-413-1742
        • Principal Investigator:
          • Julia Fehniger
    • Pennsylvania
      • Erie, Pennsylvania, United States, 16505
        • Recruiting
        • UPMC Hillman Cancer Center Erie
        • Principal Investigator:
          • Sarah E. Taylor
        • Contact:
      • Greensburg, Pennsylvania, United States, 15601
        • Recruiting
        • UPMC Cancer Centers - Arnold Palmer Pavilion
        • Contact:
          • Site Public Contact
          • Phone Number: 724-838-1900
        • Principal Investigator:
          • Sarah E. Taylor
      • Mechanicsburg, Pennsylvania, United States, 17050
        • Recruiting
        • UPMC Hillman Cancer Center at Rocco And Nancy Ortenzio Cancer Pavilion
        • Contact:
        • Principal Investigator:
          • Sarah E. Taylor
      • Philadelphia, Pennsylvania, United States, 19107
        • Recruiting
        • Thomas Jefferson University Hospital
        • Contact:
        • Principal Investigator:
          • Jessa Suhner
      • Philadelphia, Pennsylvania, United States, 19114
        • Recruiting
        • Jefferson Torresdale Hospital
        • Contact:
        • Principal Investigator:
          • Jessa Suhner
      • Pittsburgh, Pennsylvania, United States, 15213
        • Recruiting
        • UPMC-Magee Womens Hospital
        • Contact:
          • Site Public Contact
          • Phone Number: 412-647-2811
        • Principal Investigator:
          • Sarah E. Taylor
      • Pittsburgh, Pennsylvania, United States, 15237
        • Recruiting
        • UPMC-Passavant Hospital
        • Contact:
          • Site Public Contact
          • Phone Number: 412-367-6454
        • Principal Investigator:
          • Sarah E. Taylor
      • Washington, Pennsylvania, United States, 15301
        • Recruiting
        • UPMC Cancer Center-Washington
        • Contact:
        • Principal Investigator:
          • Sarah E. Taylor
      • Willow Grove, Pennsylvania, United States, 19090
        • Recruiting
        • Asplundh Cancer Pavilion
        • Contact:
        • Principal Investigator:
          • Jessa Suhner
    • Rhode Island
      • Providence, Rhode Island, United States, 02905
        • Recruiting
        • Women and Infants Hospital
        • Contact:
          • Site Public Contact
          • Phone Number: 401-274-1122
        • Principal Investigator:
          • Paul A. DiSilvestro
    • Tennessee
      • Nashville, Tennessee, United States, 37232
        • Recruiting
        • Vanderbilt University/Ingram Cancer Center
        • Contact:
          • Site Public Contact
          • Phone Number: 800-811-8480
        • Principal Investigator:
          • Alaina J. Brown
    • Utah
      • Salt Lake City, Utah, United States, 84106
        • Recruiting
        • University of Utah Sugarhouse Health Center
        • Contact:
        • Principal Investigator:
          • Talicia Savage
      • Salt Lake City, Utah, United States, 84112
        • Recruiting
        • Huntsman Cancer Institute/University of Utah
        • Contact:
        • Principal Investigator:
          • Talicia Savage
      • South Jordan, Utah, United States, 84009
        • Recruiting
        • South Jordan Health Center
        • Contact:
        • Principal Investigator:
          • Talicia Savage
    • Virginia
      • Charlottesville, Virginia, United States, 22908
      • Richmond, Virginia, United States, 23298
        • Recruiting
        • VCU Massey Comprehensive Cancer Center
        • Principal Investigator:
          • Jaclyn Wall
        • Contact:
    • Washington
      • Edmonds, Washington, United States, 98026
        • Recruiting
        • Swedish Cancer Institute-Edmonds
        • Principal Investigator:
          • Dan S. Zuckerman
        • Contact:
      • Issaquah, Washington, United States, 98029
        • Recruiting
        • Swedish Cancer Institute-Issaquah
        • Principal Investigator:
          • Dan S. Zuckerman
        • Contact:
      • Seattle, Washington, United States, 98122
        • Recruiting
        • Swedish Medical Center-First Hill
        • Principal Investigator:
          • Dan S. Zuckerman
        • Contact:
      • Vancouver, Washington, United States, 98686
        • Recruiting
        • Legacy Salmon Creek Hospital
        • Contact:
          • Site Public Contact
          • Phone Number: 503-413-2150
        • Principal Investigator:
          • Julia Fehniger
    • West Virginia
      • Bridgeport, West Virginia, United States, 26330
        • Recruiting
        • United Hospital Center
        • Contact:
        • Principal Investigator:
          • Krista S. Pfaendler
      • Charleston, West Virginia, United States, 25304
        • Recruiting
        • West Virginia University Charleston Division
        • Contact:
          • Site Public Contact
          • Phone Number: 304-388-9944
        • Principal Investigator:
          • Stephen H. Bush
      • Martinsburg, West Virginia, United States, 25401
        • Recruiting
        • WVUH-Berkely Medical Center
        • Contact:
        • Principal Investigator:
          • Krista S. Pfaendler
      • Morgantown, West Virginia, United States, 26506
        • Recruiting
        • West Virginia University Healthcare
        • Contact:
        • Principal Investigator:
          • Krista S. Pfaendler
      • Parkersburg, West Virginia, United States, 26101
        • Recruiting
        • Camden Clark Medical Center
        • Contact:
        • Principal Investigator:
          • Krista S. Pfaendler
    • Wisconsin
      • Ashland, Wisconsin, United States, 54806
        • Recruiting
        • Duluth Clinic Ashland
        • Contact:
        • Principal Investigator:
          • Bret E. Friday
      • Green Bay, Wisconsin, United States, 54301
        • Recruiting
        • Saint Vincent Hospital Cancer Center Green Bay
        • Principal Investigator:
          • Matthew L. Ryan
        • Contact:
      • Green Bay, Wisconsin, United States, 54303
        • Recruiting
        • Saint Vincent Hospital Cancer Center at Saint Mary's
        • Principal Investigator:
          • Matthew L. Ryan
        • Contact:
      • La Crosse, Wisconsin, United States, 54601
        • Recruiting
        • Gundersen Lutheran Medical Center
        • Contact:
        • Principal Investigator:
          • Kurt Oettel
      • Oconto Falls, Wisconsin, United States, 54154
        • Recruiting
        • Saint Vincent Hospital Cancer Center at Oconto Falls
        • Principal Investigator:
          • Matthew L. Ryan
        • Contact:
      • Sheboygan, Wisconsin, United States, 53081
        • Recruiting
        • Saint Vincent Hospital Cancer Center at Sheboygan
        • Principal Investigator:
          • Matthew L. Ryan
        • Contact:
      • Sheboygan, Wisconsin, United States, 53081
        • Recruiting
        • Sheboygan Physicians Group
        • Principal Investigator:
          • Matthew L. Ryan
        • Contact:
      • Spooner, Wisconsin, United States, 54801
        • Recruiting
        • Essentia Health-Spooner Clinic
        • Contact:
        • Principal Investigator:
          • Bret E. Friday
      • Sturgeon Bay, Wisconsin, United States, 54235-1495
        • Recruiting
        • Saint Vincent Hospital Cancer Center at Sturgeon Bay
        • Principal Investigator:
          • Matthew L. Ryan
        • Contact:
      • Superior, Wisconsin, United States, 54880
        • Recruiting
        • Essentia Health Saint Mary's Hospital - Superior
        • Principal Investigator:
          • Bret E. Friday
        • Contact:
          • Site Public Contact
          • Phone Number: 701-364-6272

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

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Documentation of disease:

    • Stage III and stage IVA endometrial cancers (with measurable disease),
    • Stage IVB endometrial cancer (with or without measurable disease), or
    • Recurrent endometrial cancer (with or without measurable disease)
  • In patients with measurable disease, lesions will be defined and monitored by RECIST 1.1. Measurable disease (RECIST 1.1) 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 CT or MRI. Lymph nodes must be ≥ 15 mm in short axis when measured by CT or MRI
  • Histologic confirmation of the original primary tumor is required (submission of pathology report[s] is required). Patients with the following histologic types are eligible: endometrioid, serous, dedifferentiated/undifferentiated, clear cell, mixed epithelial, carcinosarcoma, adenocarcinoma not otherwise specified (N.O.S.)
  • Patients must have:

    • Tumoral mismatch repair proficient (pMMR) disease as assessed by immunohistochemistry (IHC) AND
    • P53 IHC with aberrant staining pattern (aberrant p53 expression is consistent with mutant TP53). TP53 mutation by next-generation sequencing will also be accepted
  • A pathology report demonstrating results of institutional MMR IHC and p53 IHC and/or TP53 by next-generation sequencing
  • Patients may have received:

    • NO prior chemotherapy for treatment of endometrial cancer OR
    • Prior adjuvant chemotherapy (e.g., paclitaxel/carboplatin alone or as a component of concurrent chemotherapy and radiation therapy [with or without cisplatin]) provided adjuvant chemotherapy was completed ≥ 12 months prior to registration
  • Patients may have received prior radiation therapy for treatment of endometrial cancer. Prior radiation therapy may have included pelvic radiation therapy, extended field pelvic/para-aortic radiation therapy, intravaginal brachytherapy, and/or palliative radiation therapy. All radiation therapy must be completed at least 4 weeks prior to registration. For patients with recent radiation, they must have RECIST-evaluable disease outside of the radiation field and have recovered their marrow function
  • Patients may have received prior hormonal (endocrine) therapy. All hormonal (endocrine) therapy must have been completed at least 1 week prior to registration
  • NO prior pembrolizumab (or other anti-PD1, anti-PDL1 or anti-CTLA4 therapy) or bevacizumab (or other antiangiogenic therapy)
  • Interval or cytoreductive surgery, after start of treatment on this trial, and prior to documentation of disease progression, is NOT permitted
  • Patients with treated brain metastases are eligible if follow-up brain imaging after central nervous system (CNS)-directed therapy shows no evidence of disease progression. Patients with brain metastases must have follow up imaging demonstrating no evidence of disease progression and that the disease is stable off of steroids
  • Age ≥ 18
  • Eastern Cooperative Oncology Group (ECOG) performance status of ≤ 2
  • Not pregnant and not nursing
  • Absolute neutrophil count (ANC) ≥ 1,500 cells/mm^3
  • Platelets ≥ 100,000 cells/mm^3
  • Hemoglobin ≥ 8 g/dl
  • Creatinine clearance (CrCl) of ≥ 30 mL/min by the Cockcroft-Gault formula
  • Total bilirubin ≤ 1.5 x institutional upper limit of normal (ULN) (patients with known Gilbert's disease who have bilirubin level ≤ 3 x institutional ULN may be enrolled)
  • Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 3 x institutional ULN
  • Patients with known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using the New York Heart Association Functional Classification. To be eligible for this trial, patients should be class II or better
  • No active infection requiring parenteral antibiotics
  • No current evidence of intra-abdominal abscess, abdominal/pelvic fistula (not diverted), gastrointestinal perforation, gastrointestinal (GI) obstruction, and/or need for drainage nasogastric or gastrostomy tube
  • No clinically significant bleeding within 28 days prior to registration
  • No uncontrolled hypertension, defined as systolic ≥ 160 mm Hg or diastolic ≥ 100 mm Hg
  • No major surgery within 28 days of initiation of bevacizumab
  • No active autoimmune disease or history of autoimmune disease that might recur, which may affect vital organ function or require immune suppressive treatment including corticosteroids. This includes, but is not limited to, patients with a history of immune related neurologic disease, multiple sclerosis, autoimmune (demyelinating) neuropathy, Guillain-Barre syndrome, myasthenia gravis; systemic autoimmune disease such as systemic lupus erythematosus (SLE), connective tissue diseases, scleroderma, inflammatory bowel disease (IBD), Crohn's, ulcerative colitis, hepatitis; and patients with a history of toxic epidermal necrolysis (TEN), Stevens-Johnson syndrome, or phospholipid syndrome because of the risk of recurrence or exacerbation of disease

    • Patients with vitiligo, endocrine deficiencies including type I diabetes mellitus, thyroiditis managed with replacement hormones including physiologic corticosteroids are eligible
    • Topical or inhaled steroids are allowed
    • Patients with rheumatoid arthritis and other arthropathies, Sjogren's syndrome and psoriasis controlled with topical medication and patients with positive serology, such as antinuclear antibodies (ANA), and anti-thyroid antibodies should be evaluated with the presence of target organ involvement and potential need for systemic treatment but should otherwise be eligible
  • No history of (non-infectious) pneumonitis that required steroids, or current pneumonitis
  • No history of stem cell or solid organ transplant
  • No history of allergic reaction to the study agent(s) or compounds of similar chemical or biologic composition to the study agent(s) (or any of its excipients)

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)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Arm 1 (paclitaxel, carboplatin, pembrolizumab)
Patients receive paclitaxel IV over 3 hours, carboplatin IV and pembrolizumab IV over 30 minutes on day 1 of each cycle. Cycles repeat every 3 weeks for up to 6-10 cycles in the absence of disease progression or unacceptable toxicity. Starting 3 weeks after last combination phase cycle, patients may continue to receive maintenance pembrolizumab IV over 30 minutes on day 1 of each cycle. Cycles repeat every 6 weeks for up to an additional 14 cycles. Additionally, patients undergo urine and blood sample collection and CT or MRI throughout the study.
Given IV
Other Names:
  • Blastocarb
  • Carboplat
  • Carboplatin Hexal
  • Carboplatino
  • Carboplatinum
  • Carbosin
  • Carbosol
  • Carbotec
  • CBDCA
  • Displata
  • Ercar
  • JM-8
  • Nealorin
  • Novoplatinum
  • Paraplatin
  • Paraplatin AQ
  • Paraplatine
  • Platinwas
  • Ribocarbo
  • JM8
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
Given IV
Other Names:
  • Taxol
  • Anzatax
  • Asotax
  • Bristaxol
  • Praxel
  • Taxol Konzentrat
Undergo CT
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
Given IV
Other Names:
  • Keytruda
  • MK-3475
  • Lambrolizumab
  • SCH 900475
  • MK3475
  • SCH-900475
  • BCD-201
  • Pembrolizumab Biosimilar BCD-201
  • Pembrolizumab Biosimilar QL2107
  • QL2107
  • GME 751
  • GME751
  • Pembrolizumab Biosimilar GME751
  • MK 3475
  • SCH900475
  • Pembrolizumab Biosimilar RPH-075
  • RPH 075
  • RPH-075
  • RPH075
  • Pembrolizumab Biosimilar SB27
  • SB 27
  • SB-27
  • SB27
Undergo urine and blood sample collection
Other Names:
  • Biological Sample Collection
  • Biospecimen Collected
  • Specimen Collection
  • Sample Collection
Experimental: Arm 2 (paclitaxel, carboplatin, bevacizumab)
Patients receive paclitaxel IV over 3 hours, carboplatin IV, and bevacizumab IV or anti-VEGF antibody biosimilar on day 1 of each cycle. Cycles repeat every 3 weeks for up to 6-10 cycles in the absence of disease progression or unacceptable toxicity. Starting 3 weeks after last combination phase cycle, patients may continue to receive maintenance bevacizumab IV on day 1 of each cycle. Treatment repeats every 3 weeks for up to an additional 28 doses. Additionally, patients undergo urine and blood sample collection and CT or MRI throughout the study.
Given IV
Other Names:
  • Blastocarb
  • Carboplat
  • Carboplatin Hexal
  • Carboplatino
  • Carboplatinum
  • Carbosin
  • Carbosol
  • Carbotec
  • CBDCA
  • Displata
  • Ercar
  • JM-8
  • Nealorin
  • Novoplatinum
  • Paraplatin
  • Paraplatin AQ
  • Paraplatine
  • Platinwas
  • Ribocarbo
  • JM8
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
Given IV
Other Names:
  • Taxol
  • Anzatax
  • Asotax
  • Bristaxol
  • Praxel
  • Taxol Konzentrat
Undergo CT
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
Given IV
Other Names:
  • Avastin
  • ABP 215
  • Anti-VEGF
  • Anti-VEGF Humanized Monoclonal Antibody
  • Anti-VEGF Monoclonal Antibody SIBP04
  • Anti-VEGF rhuMAb
  • Bevacizumab awwb
  • Bevacizumab Biosimilar ABP 215
  • Bevacizumab Biosimilar BEVZ92
  • Bevacizumab Biosimilar BI 695502
  • Bevacizumab Biosimilar CBT 124
  • Bevacizumab Biosimilar CT-P16
  • Bevacizumab Biosimilar FKB238
  • Bevacizumab Biosimilar GB-222
  • Bevacizumab Biosimilar HD204
  • Bevacizumab Biosimilar HLX04
  • Bevacizumab Biosimilar IBI305
  • Bevacizumab Biosimilar LY01008
  • Bevacizumab Biosimilar MIL60
  • Bevacizumab Biosimilar Mvasi
  • Bevacizumab Biosimilar MYL-1402O
  • Bevacizumab Biosimilar QL 1101
  • Bevacizumab Biosimilar RPH-001
  • Bevacizumab Biosimilar SCT501
  • Bevacizumab Biosimilar Zirabev
  • Bevacizumab-awwb
  • Bevacizumab-bvzr
  • BP102
  • BP102 Biosimilar
  • HD204
  • Immunoglobulin G1 (Human-Mouse Monoclonal rhuMab-VEGF Gamma-Chain Anti-Human Vascular Endothelial Growth Factor), Disulfide With Human-Mouse Monoclonal rhuMab-VEGF Light Chain, Dimer
  • Mvasi
  • MYL-1402O
  • Recombinant Humanized Anti-VEGF Monoclonal Antibody
  • rhuMab-VEGF
  • SCT501
  • SIBP 04
  • SIBP-04
  • SIBP04
  • Zirabev
  • QL1101
  • Bevacizumab Biosimilar QL1101
  • BAT1706
  • BAT 1706
  • BAT-1706
  • BAT1706 Biosimilar
  • Bevacizumab Biosimilar BAT1706
  • Bevacizumab-adcd
  • CT-P16
  • Vegzelma
  • Alymsys
  • ABP-215
  • ABP215
  • Aybintio
  • Bevacizumab-aybi
  • Bevacizumab-equi
  • Bevacizumab-maly
  • Bevacizumab-onbe
  • CT P16
  • CTP16
  • Equidacent
  • Onbevzi
  • Avzivi
  • Bevacizumab Biosimilar MB02
  • Bevacizumab-tnjn
  • FKB 238
  • FKB-238
  • FKB238
  • MB 02
  • MB-02
  • MB02
  • Oyavas
  • PF 06439535
  • PF-06439535
  • PF06439535
  • Bevacizumab-aveg
  • Bevacizumab-byva
  • Bevacizumab-nwgd
  • Jobevne
Undergo urine and blood sample collection
Other Names:
  • Biological Sample Collection
  • Biospecimen Collected
  • Specimen Collection
  • Sample Collection
Experimental: Arm 3 (paclitaxel, carboplatin, pembrolizumab, bevacizumab)
Patients receive paclitaxel IV over 3 hours, carboplatin IV, pembrolizumab IV over 30 minutes, and bevacizumab IV or anti-VEGF antibody biosimilar on day 1 of each cycle. Cycles repeat every 3 weeks for up to 6-10 cycles in the absence of disease progression or unacceptable toxicity. Starting 3 weeks after last combination phase cycle, patients may continue to receive maintenance pembrolizumab IV over 30 minutes every 6 weeks for up to an additional 14 cycles and bevacizumab IV every 3 weeks for up to an additional 28 doses. Additionally, patients undergo urine and blood sample collection and CT or MRI throughout the study.
Given IV
Other Names:
  • Blastocarb
  • Carboplat
  • Carboplatin Hexal
  • Carboplatino
  • Carboplatinum
  • Carbosin
  • Carbosol
  • Carbotec
  • CBDCA
  • Displata
  • Ercar
  • JM-8
  • Nealorin
  • Novoplatinum
  • Paraplatin
  • Paraplatin AQ
  • Paraplatine
  • Platinwas
  • Ribocarbo
  • JM8
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
Given IV
Other Names:
  • Taxol
  • Anzatax
  • Asotax
  • Bristaxol
  • Praxel
  • Taxol Konzentrat
Undergo CT
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
Given IV
Other Names:
  • Keytruda
  • MK-3475
  • Lambrolizumab
  • SCH 900475
  • MK3475
  • SCH-900475
  • BCD-201
  • Pembrolizumab Biosimilar BCD-201
  • Pembrolizumab Biosimilar QL2107
  • QL2107
  • GME 751
  • GME751
  • Pembrolizumab Biosimilar GME751
  • MK 3475
  • SCH900475
  • Pembrolizumab Biosimilar RPH-075
  • RPH 075
  • RPH-075
  • RPH075
  • Pembrolizumab Biosimilar SB27
  • SB 27
  • SB-27
  • SB27
Given IV
Other Names:
  • Avastin
  • ABP 215
  • Anti-VEGF
  • Anti-VEGF Humanized Monoclonal Antibody
  • Anti-VEGF Monoclonal Antibody SIBP04
  • Anti-VEGF rhuMAb
  • Bevacizumab awwb
  • Bevacizumab Biosimilar ABP 215
  • Bevacizumab Biosimilar BEVZ92
  • Bevacizumab Biosimilar BI 695502
  • Bevacizumab Biosimilar CBT 124
  • Bevacizumab Biosimilar CT-P16
  • Bevacizumab Biosimilar FKB238
  • Bevacizumab Biosimilar GB-222
  • Bevacizumab Biosimilar HD204
  • Bevacizumab Biosimilar HLX04
  • Bevacizumab Biosimilar IBI305
  • Bevacizumab Biosimilar LY01008
  • Bevacizumab Biosimilar MIL60
  • Bevacizumab Biosimilar Mvasi
  • Bevacizumab Biosimilar MYL-1402O
  • Bevacizumab Biosimilar QL 1101
  • Bevacizumab Biosimilar RPH-001
  • Bevacizumab Biosimilar SCT501
  • Bevacizumab Biosimilar Zirabev
  • Bevacizumab-awwb
  • Bevacizumab-bvzr
  • BP102
  • BP102 Biosimilar
  • HD204
  • Immunoglobulin G1 (Human-Mouse Monoclonal rhuMab-VEGF Gamma-Chain Anti-Human Vascular Endothelial Growth Factor), Disulfide With Human-Mouse Monoclonal rhuMab-VEGF Light Chain, Dimer
  • Mvasi
  • MYL-1402O
  • Recombinant Humanized Anti-VEGF Monoclonal Antibody
  • rhuMab-VEGF
  • SCT501
  • SIBP 04
  • SIBP-04
  • SIBP04
  • Zirabev
  • QL1101
  • Bevacizumab Biosimilar QL1101
  • BAT1706
  • BAT 1706
  • BAT-1706
  • BAT1706 Biosimilar
  • Bevacizumab Biosimilar BAT1706
  • Bevacizumab-adcd
  • CT-P16
  • Vegzelma
  • Alymsys
  • ABP-215
  • ABP215
  • Aybintio
  • Bevacizumab-aybi
  • Bevacizumab-equi
  • Bevacizumab-maly
  • Bevacizumab-onbe
  • CT P16
  • CTP16
  • Equidacent
  • Onbevzi
  • Avzivi
  • Bevacizumab Biosimilar MB02
  • Bevacizumab-tnjn
  • FKB 238
  • FKB-238
  • FKB238
  • MB 02
  • MB-02
  • MB02
  • Oyavas
  • PF 06439535
  • PF-06439535
  • PF06439535
  • Bevacizumab-aveg
  • Bevacizumab-byva
  • Bevacizumab-nwgd
  • Jobevne
Undergo urine and blood sample collection
Other Names:
  • Biological Sample Collection
  • Biospecimen Collected
  • Specimen Collection
  • Sample Collection

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Progression-free survival (PFS)
Time Frame: From study entry to time of progression or death, whichever occurs first, or date of last contact if neither progression nor death has occurred, assessed up to 5 years
Will be defined using Response Evaluation Criteria in Solid Tumors version (v) 1.1. Will be tested using one-sided log-rank tests with α-levels stratified by factors used in the randomization. Patients will be grouped by their randomized treatment assignment for intention-to-treat (ITT) analyses, supported by patients in ITT population. Treatment hazard ratios and their 95% confidence intervals will be estimated using a Cox proportional hazards models specified with a main effect for the randomized treatment assignment and stratified using the stratification factors applied at randomization.
From study entry to time of progression or death, whichever occurs first, or date of last contact if neither progression nor death has occurred, assessed up to 5 years

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Overall survival (OS)
Time Frame: From study entry to time of death from any cause, assessed up to 5 years
Will be assessed with proportional hazards modeling stratified for stratification factors at baseline. Hazard ratios and corresponding 2-sided 95% confidence intervals will be estimated for treatment (with Arm 1 as the reference arm).
From study entry to time of death from any cause, assessed up to 5 years
Prognostic and predictive associations of type of TP53 mutation status with PFS
Time Frame: Up to 5 years
Will be assessed with proportional hazards modeling stratified for stratification factors at baseline and adjusted by randomized treatment arm assignment. Hazard ratios and corresponding 2-sided 95% confidence intervals will be estimated for TP53 status as well as treatment hazard ratios (with Arm 1 as the reference arm) within TP53 subgroups.
Up to 5 years
Prognostic and predictive associations of type of TP53 mutation status with OS
Time Frame: Up to 5 years
Will be assessed with proportional hazards modeling stratified for stratification factors at baseline and adjusted by randomized treatment arm assignment. Hazard ratios and corresponding 2-sided 95% confidence intervals will be estimated for TP53 status as well as treatment hazard ratios (with Arm 1 as the reference arm) within TP53 subgroups.
Up to 5 years
Incidence of adverse events (AEs) in treatment with bevacizumab when combined with carboplatin, paclitaxel, and pembrolizumab
Time Frame: Up to 90 days after last dose of study treatment
The nature, frequency, and degree of toxicity will be tabulated at the system organ class and AE-specific term levels using Common Terminology Criteria for Adverse Events v 5.0. Each patient will be represented according to maximum grade observed for each term. Tabulations will show the number and percentage of patients by maximum grade, within the treatment group received, regardless of the randomized treatment assignment. No specific hypothesis test is pre-specified.
Up to 90 days after last dose of study treatment
Objective response rate
Time Frame: Within 12 months of initiating therapy
Will be defined as the binomial proportion of evaluable patients with a best overall response of complete response or partial response. Will be supported by their 2-sided, 95% Wilson-Score confidence intervals. The relative odds of response in each experimental group (vs the reference group) will be estimated using a multivariable logistic regression model specified with main effects for the treatment groups and stratified by the stratification factors reported at baseline.
Within 12 months of initiating therapy

Other Outcome Measures

Outcome Measure
Measure Description
Time Frame
PFS
Time Frame: From study entry to time of progression or death, whichever occurs first, or date of last contact if neither progression nor death has occurred, assessed up to 5 years
Will estimate the PFS treatment effect and the corresponding 95% confidence intervals by sex.
From study entry to time of progression or death, whichever occurs first, or date of last contact if neither progression nor death has occurred, assessed up to 5 years
PFS
Time Frame: From study entry to time of progression or death, whichever occurs first, or date of last contact if neither progression nor death has occurred, assessed up to 5 years
Will estimate the PFS treatment effect and the corresponding 95% confidence intervals by race.
From study entry to time of progression or death, whichever occurs first, or date of last contact if neither progression nor death has occurred, assessed up to 5 years
PFS
Time Frame: From study entry to time of progression or death, whichever occurs first, or date of last contact if neither progression nor death has occurred, assessed up to 5 years
Will estimate the PFS treatment effect and the corresponding 95% confidence intervals by ethnicity.
From study entry to time of progression or death, whichever occurs first, or date of last contact if neither progression nor death has occurred, assessed up to 5 years

Collaborators and Investigators

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

Investigators

  • Principal Investigator: Amanda N Fader, 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)

January 27, 2026

Primary Completion (Estimated)

July 1, 2028

Study Completion (Estimated)

July 1, 2028

Study Registration Dates

First Submitted

September 27, 2025

First Submitted That Met QC Criteria

September 27, 2025

First Posted (Actual)

September 30, 2025

Study Record Updates

Last Update Posted (Actual)

June 12, 2026

Last Update Submitted That Met QC Criteria

June 11, 2026

Last Verified

April 1, 2026

More Information

Terms related to this study

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

No

product manufactured in and exported from the U.S.

No

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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