STAMP: Surgically Treated Adjuvant Merkel cell carcinoma with Pembrolizumab, a Phase III Trial
Objective
Primary Objective: To compare Overall Survival (OS) and Recurrence Free Survival (RFS) as co-primary endpoints across the two arms.
Secondary Objective: To evaluate adverse events. To evaluate Distant Metastasis Free Survival (DMFS). To evaluate the impact of radiation on clinical outcomes (OS, RFS, DMFS).