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European Commission Approves Merck’s KEYTRUDA® (pembrolizumab) Plus Chemotherapy for Certain Patients With Esophageal Cancer or HER2-Negative Gastroesophageal Junction (GEJ) Adenocarcinoma

Published: 2021-06-29 10:45:00 ET
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KEYTRUDA is Now Approved in Combination With Platinum- and Fluoropyrimidine-Based Chemotherapy As First-Line Treatment for Certain Patients With Locally Advanced Unresectable or Metastatic Esophageal Carcinoma or HER2-Negative GEJ Adenocarcinoma Whose Tumors Express PD-L1 (CPS ≥10)

KEYTRUDA is First Anti-PD-1 Therapy Approved in Europe in Combination With Chemotherapy for First-Line Treatment of Advanced Esophageal or GEJ Cancer, Regardless of Histology

KENILWORTH, N.J.--(BUSINESS WIRE)-- Merck (NYSE: MRK), known as MSD outside the United States and Canada, today announced that the European Commission (EC) has approved KEYTRUDA, Merck’s anti-PD-1 therapy, in combination with platinum- and fluoropyrimidine-based chemotherapy for the first-line treatment of patients with locally advanced unresectable or metastatic carcinoma of the esophagus or human epidermal growth factor receptor 2 (HER2)-negative gastroesophageal junction (GEJ) adenocarcinoma in adults whose tumors express PD-L1 (Combined Positive Score [CPS] ≥10).

This approval is based on results from the Phase 3 KEYNOTE-590 trial, in which KEYTRUDA plus 5-fluorouracil (5-FU) and cisplatin demonstrated statistically significant improvements in overall survival (OS) and progression-free survival (PFS) compared with 5-FU and cisplatin alone in all pre-specified study populations. KEYTRUDA plus 5-FU and cisplatin reduced the risk of death by 27% (HR=0.73 [95% CI, 0.62-0.86]; p