Clinical trial Phase 3 Interventional Ages 18 to 150 Women only

Durvalumab With or Without Olaparib as Maintenance Therapy After First-Line Treatment of Advanced and Recurrent Endometrial Cancer

Run by AstraZeneca · NCT04269200 · Data updated 2026-11-12

Fully enrolled, still running. This study is not taking new participants. Its registered completion date is 2024-07-08. Results are posted on ClinicalTrials.gov.

A study to assess the efficacy and safety of durvalumab in combination with platinum-based chemotherapy (paclitaxel + carboplatin) followed by maintenance durvalumab with or without olaparib for patients with newly diagnosed advanced or recurrent endometrial cancer.

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 150 Years
SexWomen only
Enrollment805 (actual)
SponsorAstraZeneca
Industry-sponsored
Drugs / interventionsolaparib, durvalumab, durvalumab placebo, olaparib placebo, Carboplatin, Paclitaxel
Locations201 sites (Australia, Belgium, Brazil, Canada, China, Colombia, Estonia, Germany and more)
Trial IDNCT04269200 on ClinicalTrials.gov

What this trial studies

This Phase III study will assess the efficacy and safety of durvalumab in combination with platinum-based chemotherapy (paclitaxel + carboplatin) followed by maintenance durvalumab with or without olaparib for patients with newly diagnosed advanced or recurrent endometrial cancer. Target patient population: Adult female patients with histologically confirmed diagnosis of epithelial endometrial carcinoma (excluding sarcomas): newly diagnosed Stage III, newly diagnosed Stage IV, or recurrent endometrial cancer

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥18 years at the time of screening and female.
* Histologically confirmed diagnosis of epithelial endometrial carcinoma. All histologies, including carcinosarcomas, will be allowed. Sarcomas will not be allowed.
* Patient must have endometrial cancer in one of the following categories:

  1. Newly diagnosed Stage III disease (measurable disease per RECIST 1.1 following surgery or diagnostic biopsy),
  2. Newly diagnosed Stage IV disease (with or without disease following surgery or diagnostic biopsy)
  3. Recurrence of disease (measurable or non-measurable disease per RECIST 1.1) where the potential for cure by surgery alone or in combination is poor.
* Naïve to first line systemic anti-cancer treatment. For patients with recurrent disease only, prior systemic anti-cancer treatment is allowed only if it was administered in the adjuvant setting and there is at least 12 months from date of last dose of systemic anti-cancer treatment administered to date of subsequent relapse
* FPPE tumor sample must be available for MMR evaluation.
* Has Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 within 7 days of starting study treatment.

Exclusion Criteria:

* History of leptomeningeal carcinomatosis.
* Brain metastases or spinal cord compression.
* Prior treatment with PARP inhibitors.
* Any prior exposure to immune-mediated therapy, including (but not limited to) other anti CTLA-4, anti-PD-1, anti-PD-L1, or anti-programmed-cell-death ligand 2 (anti-PD-L2) antibodies, excluding therapeutic anticancer vaccines.

Where it's running

  • Research Site
    Tucson, Arizona, United States
  • Research Site
    Concord, California, United States
  • Research Site
    La Jolla, California, United States
  • Research Site
    San Francisco, California, United States
  • Research Site
    Santa Barbara, California, United States
  • Research Site
    Aurora, Colorado, United States
Show 44 more locations
  • Research Site
    Fort Lauderdale, Florida, United States
  • Research Site
    Tampa, Florida, United States
  • Research Site
    Savannah, Georgia, United States
  • Research Site
    Honolulu, Hawaii, United States
  • Research Site
    Arlington Heights, Illinois, United States
  • Research Site
    Chicago, Illinois, United States
  • Research Site
    Indianapolis, Indiana, United States
  • Research Site
    Louisville, Kentucky, United States
  • Research Site
    Baton Rouge, Louisiana, United States
  • Research Site
    Boston, Massachusetts, United States
  • Research Site
    Saint Paul, Minnesota, United States
  • Research Site
    Jackson, Mississippi, United States
  • Research Site
    Lebanon, New Hampshire, United States
  • Research Site
    Camden, New Jersey, United States
  • Research Site
    Paramus, New Jersey, United States
  • Research Site
    New York, New York, United States
  • Research Site
    New York, New York, United States
  • Research Site
    Pinehurst, North Carolina, United States
  • Research Site
    Cleveland, Ohio, United States
  • Research Site
    Cleveland, Ohio, United States
  • Research Site
    Dayton, Ohio, United States
  • Research Site
    Oklahoma City, Oklahoma, United States
  • Research Site
    Tulsa, Oklahoma, United States
  • Research Site
    Eugene, Oregon, United States
  • Research Site
    Tigard, Oregon, United States
  • Research Site
    Pittsburgh, Pennsylvania, United States
  • Research Site
    Providence, Rhode Island, United States
  • Research Site
    Sioux Falls, South Dakota, United States
  • Research Site
    Chattanooga, Tennessee, United States
  • Research Site
    Germantown, Tennessee, United States
  • Research Site
    Knoxville, Tennessee, United States
  • Research Site
    Bedford, Texas, United States
  • Research Site
    Dallas, Texas, United States
  • Research Site
    Houston, Texas, United States
  • Research Site
    San Antonio, Texas, United States
  • Research Site
    Sugar Land, Texas, United States
  • Research Site
    Tyler, Texas, United States
  • Research Site
    Webster, Texas, United States
  • Research Site
    Fairfax, Virginia, United States
  • Research Site
    Norfolk, Virginia, United States
  • Research Site
    Seattle, Washington, United States
  • Research Site
    Morgantown, West Virginia, United States
  • Research Site
    Madison, Wisconsin, United States
  • Research Site
    Milwaukee, Wisconsin, United States

+151 more sites. See ClinicalTrials.gov for the full list.

Study contacts

  • Principal investigator: Shannon N. Westin, MD, MPH, FACOG — M.D. Anderson Cancer Center

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.