What is metastatic melanoma? Metastatic melanoma is a type of skin cancer that begins in the cells responsible for providing pigment to the skin. It is the most aggressive and serious type of skin cancer. To learn more about metastatic melanoma--stages, treatment options and more--visit Proleukin o

Recombinant Humanized (from mouse) antibody to Human PDCD1. It is a drug that targets the programmed cell death 1 (PD-1) receptor. The drug is intended for use in treating metastatic melanoma.