Phase II Study of Peptide Receptor Radionuclide Therapy in Combination With Immunotherapy for Patients With Merkel Cell Cancer

Participation Deadline: 09/01/2026
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Description

The study design will be a single arm phase 2 study in patients who have progressed on immunotherapy and who are candidates to continue pembrolizumab. Prior to enrollment in the Phase II portion, a run-in study will be performed to ensure safety and tolerability of the combination of pembrolizumab and lutetium Lu 177 dotatate. Peptide receptor radionuclide therapy (PRRT) will be given every 2 months for 4 doses. Pembrolizumab will be given every 6 weeks at 400mg fixed dosing for up to 2 years, until disease progression, or unacceptable toxicity.