LM-305 is an anti-G protein-coupled receptor class 5 member D (GPRC5D) antibody-drug conjugate (ADC). LM-305 consists of Anti-GPRC5D Antibody and VcMMAE (HY-15575). LM-305 exhibits potent cytotoxicity against multiple myeloma cells (NCI-H929 and MM.1R) with IC50 values ranging from 0.1 to 0.3 nM. LM-305 can be used in the study of GPRC5D-related relapsed and refractory multiple myeloma (RRMM).
