Merck (NYSE: MRK), known as MSD outside of the United States and Canada, today announced the discontinuation of the clinical development programs for vibostolimab, an anti-TIGIT antibody, and favezelimab, an anti-LAG-3 antibody. Vibostolimab is being evaluated as an investigational fixed-dose combination with pembrolizumab (KEYTRUDA ® ) in the KeyVibe program. Favezelimab is being evaluated as an investigational fixed-dose combination with pembrolizumab in the KEYFORM program. Merck is discontinuing the Phase 3 KeyVibe-003 and KeyVibe-007 trials, which are evaluating the fixed-dose combination of vibostolimab and pembrolizumab in certain patients with non-small cell lung cancer (NSCLC), based on the recommendation of an independent Data Monitoring Committee (DMC). In a pre-planned analysis, both trials met the pre-specified futility criteria for the primary endpoint of overall survival. In these studies, the safety profile of vibostolimab/pembrolizumab was consistent with that

If approved, WELIREG would be the first and only oral hypoxia-inducible factor-2 alpha (HIF-2α) inhibitor available for these patients in the European Union Positive opinion granted based on data from the Phase 2 LITESPARK-004 trial and the Phase 3 LITESPARK-005 trial Merck (NYSE: MRK), known as MSD outside of the United States and Canada, today announced that the European Medicines Agency’s Committee for Medicinal Products for Human Use (CHMP) adopted a positive opinion recommending the conditional approval of WELIREG ® (belzutifan), Merck’s oral hypoxia-inducible factor-2 alpha (HIF-2α) inhibitor, as monotherapy for: The treatment of adult patients with von Hippel-Lindau (VHL) disease who require therapy for associated, localized renal cell carcinoma (RCC), central nervous system (CNS) hemangioblastomas, or pancreatic neuroendocrine tumors (pNET), and for whom localized procedures are unsuitable; The treatment of adult patients with advanced clear cell renal cell carcinoma (RCC)