Merck, known as MSD outside the United States and Canada, announced that the Phase 3 KEYNOTE-412 trial evaluating KEYTRUDA®, Merck’s anti-PD-1 therapy, with concurrent chemoradiation therapy followed by KEYTRUDA as maintenance therapy, did not meet its primary endpoint of event-free survival for the treatment of patients with unresected locally advanced head and neck squamous cell carcinoma.
July 20, 2022
· 43 min read