Multiple Myeloma study

You are being asked to take part in this study because you previously agreed to receive a U.S. Food and Drug Administration (FDA) approved drug, idecabtagene vicleucel (ide-cel), for the treatment of your disease as part of routine care and not a clinical research study. You had the blood collection (leukapheresis) (pronounced loo-ka-fer-ee-sis) procedure, your T cells (a subset of your white blood cells that are part of your immune system and attack things like infections and cancer cells) were collected and genetically modified in a laboratory in order to manufacture the ide-cel T cells for your disease treatment. The ide-cel T cells that were produced do not meet all of the prespecified release criteria to be used as a routine prescription drug as required by the governing health authority (such as the FDA) where you are being treated. For example, the modified T cells may have a lower cell