CD38 and Miyoshi myopathy: A U.S. phase 1b/2 trial (CARTITUDE-1, NCT03548207) is ongoing to assess the safety and efficacy of JNJ-4528 (LCAR-B38M), in patients with R/R MM who received ≥ 3 prior regimens or were double-refractory to a PI and IMiD, and received anti-CD38 antibody.