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Clinical trial

Study of Chemotherapy With Pembrolizumab (MK-3475) Followed by Maintenance With Olaparib (MK-7339) for the First-Line Treatment of Women With BRCA Non-mutated Advanced Epithelial Ovarian Cancer (EOC) (MK-7339-001/KEYLYNK-001/ENGOT-ov43/GOG-3036)

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Last updated:14th Feb 2021
Status: Recruiting
Identifier: NCT03740165
Study of Chemotherapy With Pembrolizumab (MK-3475) Followed by Maintenance With Olaparib (MK-7339) for the First-Line Treatment of Women With BRCA Non-mutated Advanced Epithelial Ovarian Cancer (EOC) (MK-7339-001/KEYLYNK-001/ENGOT-ov43/GOG-3036)


Brief Summary:

The purpose of this study is to assess the efficacy and safety of treatment with carboplatin/paclitaxel* PLUS pembrolizumab (MK-3475) and maintenance olaparib (MK-7339) in women with epithelial ovarian cancer (EOC), fallopian tube cancer, or primary peritoneal cancer.

The primary study hypotheses are that the combination of pembrolizumab plus carboplatin/paclitaxel* followed by continued pembrolizumab and maintenance olaparib is superior to carboplatin/paclitaxel alone with respect to Progression Free Survival (PFS) per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) and/or Overall Survival (OS), and that the combination of pembrolizumab plus carboplatin/paclitaxel followed by continued pembrolizumab is superior to carboplatin/paclitaxel alone with respect to PFS per RECIST 1.1 and/or OS.

Detailed Description:
Following a lead-in period during which all participants receive a single 3-week cycle of carboplatin/paclitaxel*, participants will be randomly assigned in to one of three treatment arms:
- Pembrolizumab+Olaparib,
- Pembrolizumab+Placebo for Olaparib
- Placebo for Pembrolizumab+Placebo for Olaparib

At Investigator's discretion and prior to participant randomization, one of the following carboplatin/paclitaxel regimens is to be selected:
- up to 5 cycles of carboplatin Area Under the Curve (AUC)5 or AUC6 AND paclitaxel 175 mg/m2 on Day 1 of each 3-week cycle
- up to 5 cycles of carboplatin AUC5 or AUC6 on Day 1 of each 3-week cycle AND paclitaxel 80 mg/m2 on Days 1, 8 and 15 of each 3-week cycle; or
- up to 5 cycles of carboplatin AUC2 or AUC2.7 AND paclitaxel 60 mg/m2 on Days 1, 8 and 15 of each 3-week cycle.

Docetaxel may be considered for participants who experience either a severe hypersensitivity reaction to paclitaxel or an AE requiring discontinuation of paclitaxel only after consultation with the Sponsor. The recommended dose as determined by the Scottish Gynaecological Cancer Trials Group is Docetaxel 75 mg/m2 Q3W plus carboplatin AUC 5 Q3W.


Study Type: Interventional (Clinical Trial)
Estimated Enrollment: 1086 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Randomized Phase 3, Double-Blind Study of Chemotherapy With or Without Pembrolizumab Followed by Maintenance With Olaparib or Placebo for the First-Line Treatment of BRCA Non-mutated Advanced Epithelial Ovarian Cancer (EOC) (KEYLYNK-001 / ENGOT-ov43 / GOG-3036)
Actual Study Start Date: December 18, 2018
Estimated Primary Completion Date: August 8, 2025
Estimated Study Completion Date: August 8, 2025

Arm:
- Experimental: Pembrolizumab+Olaparib
- Experimental: Pembrolizumab+Placebo for Olaparib
- Active Comparator: Placebo for Pembrolizumab+Placebo for Olaparib

Category Value
Study type(s) Interventional
Expected enrolment 1086
Actual Study start date 18 December 2018
Estimated Study Completion Date 08 August 2025

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