Keytruda (pembrolizumab)

Active Ingredient: Pembrolizumab, a humanized monoclonal antibody.How It Works: It blocks the interaction between PD-1 and its ligands (PD-L1 and PD-L2). This activates T lymphocytes (immune cells) to help detect and attack tumor cells.Physical Appearance: Typically supplied as a clear to slightly opalescent, colorless to slightly yellow liquid solution in a single-dose glass vial for intravenous infusion, or as newer subcutaneous options like Keytruda Qlex.Common Uses: Prescribed to treat various types of cancer, including melanoma, non-small cell lung cancer, classical Hodgkin lymphoma, and cervical cancer