MK-4280A clinical trials

Long-term Safety and Efficacy Extension Study for Participants With Advanced Tumors Who Are Currently on Treatment or in Follow-up in a Pembrolizumab (MK-3475) Study (MK-3475-587/KEYNOTE-587)

This study looks at the long-term safety and effectiveness of a cancer drug called pembrolizumab (and related treatments) for people with advanced cancers. It's for patients who are already receiving these treatments in other studies and want to continue.