Pembrolizumab in Treating Patients With Advanced Merkel Cell Cancer
Conditions
- Recurrent Merkel Cell Carcinoma
- Stage III Merkel Cell Carcinoma AJCC v7
- Stage IIIA Merkel Cell Carcinoma AJCC v7
- Stage IIIB Merkel Cell Carcinoma AJCC v7
- Stage IV Merkel Cell Carcinoma AJCC v7
Interventions
- OTHER: Laboratory Biomarker Analysis
- BIOLOGICAL: Pembrolizumab
Sponsor
National Cancer Institute (NCI)