Merck, known as MSD outside of the United States and Canada, announced positive topline results from the Phase 3 KEYNOTE-A39 trial, which was conducted in collaboration with Seagen and Astellas, evaluating KEYTRUDA, Merck’s anti-PD-1 therapy, in combination with Padcev versus chemotherapy in patients with previously untreated locally advanced or metastatic urothelial carcinoma.
