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KEYTRUDA Plus LENVIMA Significantly Reduced the Risk of Death by 38%, With a Median Overall Survival of 18.3 Months Versus 11.4 Months With Chemotherapy Regardless of Mismatch Repair Status
First Results From Pivotal KEYNOTE-775/Study 309 Trial Presented at Society of Gynecologic Oncology (SGO) 2021 Annual Meeting on Women’s Cancer
KENILWORTH, N.J. & WOODCLIFF LAKE, N.J.--(BUSINESS WIRE)-- Merck (NYSE: MRK), known as MSD outside the United States and Canada, and Eisai today announced the first presentation of investigational data from the pivotal Phase 3 KEYNOTE-775/Study 309 trial in an oral plenary session (Plenary Session #10191) at the virtual Society of Gynecologic Oncology (SGO) 2021 Annual Meeting on Women’s Cancer. The trial evaluated the combination of KEYTRUDA, Merck’s anti-PD-1 therapy, plus LENVIMA, the orally available multiple receptor tyrosine kinase inhibitor discovered by Eisai, for the treatment of certain patients with advanced, metastatic or recurrent endometrial cancer following one prior platinum-based regimen in any setting.
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The study met the dual primary endpoints of progression-free survival (PFS), as assessed by blinded independent central review (BICR) per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1, and overall survival (OS) as well as the secondary efficacy endpoint of objective response rate (ORR), as assessed by BICR per RECIST v1.1, in the all-comer population (mismatch repair proficient [pMMR] and mismatch repair deficient [dMMR]) and in the pMMR subgroup. Median follow-up was 11.4 months for both the all-comer population and the pMMR subgroup. A statistically significant and clinically meaningful improvement in PFS was seen in the all-comer population, in which KEYTRUDA plus LENVIMA (n=411) reduced the risk of disease progression or death by 44% (HR=0.56 [95% CI: 0.47-0.66]; p
