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KEYTRUDA® (pembrolizumab) as Monotherapy Significantly Improved Progression-Free Survival (PFS) in Certain Patients With Advanced or Recurrent Endometrial Cancer With Mismatch Repair Deficient (dMMR) Tumors Compared to Chemotherapy

$MRKPress releaseJul 15, 2026, 6:45 AM ETRead the release

Merck announced that KEYTRUDA monotherapy met the primary endpoint of progression-free survival (PFS) compared to platinum doublet chemotherapy in the Phase 3 KEYNOTE-C93 trial for patients with dMMR advanced or recurrent endometrial cancer. This is the first Phase 3 trial to show improved PFS for a PD-1 inhibitor versus chemotherapy as a monotherapy in the frontline setting for this indication, potentially offering a new chemo-free option.

Key figures

Drug Name
KEYTRUDA (pembrolizumab)
Phase Of Trial
Phase 3
Patients enrolled
299

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