Cancer

KEYNOTE-C93

A Phase 3 Randomized, Open-label, Active-comparator Controlled Clinical Study of Pembrolizumab Versus Platinum Doublet Chemotherapy in Participants With Mismatch Repair Deficient (dMMR) Advanced or Recurrent Endometrial Carcinoma in the First-line Setting (KEYNOTE-C93/GOG-3064/ENGOT-en15)

Trial overview

Topic

Endometrial Neoplasms

Eligibility criteria

  • Has a histologically confirmed diagnosis of Stage III or IV or recurrent Endometrial Carcinoma (EC) or carcinosarcoma (mixed Mullerian tumor) that is centrally confirmed as dMMR
  • Has radiographically evaluable disease, either measurable or nonmeasurable per RECIST 1.1, as assessed by the investigator.
  • Has received no prior systemic therapy for advanced EC except for the following:
  • May have received prior radiation with or without radiosensitizing chemotherapy if >2 weeks before the start of study intervention. Participants must have recovered from all radiation-related toxicities, not require corticosteroids, and not have had radiation pneumonitis. A 1-week washout is permitted for palliative radiation (≤2 weeks of radiotherapy) to non-central nervous system (CNS) disease. 
  • May have received prior hormonal therapy for treatment of EC, provided that it was discontinued ≥1 week prior to randomization
  • Has Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 within 7 days before randomization.
  • Provides an archival tumor tissue sample or newly obtained (core, incisional, or excisional) biopsy of a tumor lesion not previously irradiated for verification of dMMR status and histology.
  • Adequate organ function 

Study details

The purpose of this study is to assess the safety and efficacy of treatment with pembrolizumab (MK-3475) compared to a combination of carboplatin and paclitaxel in women with mismatch repair deficient (dMMR) advanced or recurrent endometrial carcinoma who have not previously been treated with prior systemic chemotherapy.

The primary study hypotheses are that pembrolizumab is superior to the combination of carboplatin and paclitaxel with respect to Progression Free Survival (PFS) per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) as assessed by Blinded Independent Central Review (BICR) and Overall Survival (OS).

Further information

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