Cetrorelix, a luteinizing hormone releasing hormone receptor (LHRHR) antagonist, was used to study its safety, mechanism of action, metabolism, and efficacy as a therapeutic agent for the treatment of blood cancers such as multiple myeloma (MM).Cetrorelix is used to evaluate its effects on a wide range of physiological processes and malignancies that involve luteinizing hormone releasing hormone receptor signaling pathways involving processes such as steroidogenesis.