Merck and Pfizer receive FDA Breakthrough Therapy designation for Avelumab
Merck and Pfizer today announced that the FDA) has granted avelumab, an investigational fully human anti-PD-L1 IgG1 monoclonal antibody, Breakthrough Therapy designation for the treatment of patients with metastatic Merkel cell carcinoma (MCC) that have progressed after at least one previous chemotherapy regimen. Breakthrough Therapy designation is designed to accelerate the development and review of