WEBAug 7, 2024 · KEYTRUDA is a programmed death receptor-1 (PD-1)-blocking antibody indicated: for the treatment of patients with unresectable or metastatic melanoma. (1.1) for the adjuvant treatment of adult and pediatric (12 years and older) patients with Stage IIB, IIC, or III melanoma following complete resection. (1.1)