US Patent 11912782 BCMA monoclonal antibody-drug conjugate

The disclosure is directed to an antibody-drug conjugate (ADC) comprising a monoclonal antibody, or an antigen-binding fragment thereof, directed against B-cell maturation antigen (BCMA) conjugated to a cytotoxin. The disclosure also provides compositions comprising the antibody-drug conjugate and methods of killing multiple myeloma cells (including multiple myeloma stems cells) that express BCMA by contacting multiple myeloma cells with the ADC.