P866: CORRELATIVE ANALYSIS TO DEFINE PATIENT PROFILES ASSOCIATED WITH MANUFACTURING AND CLINICAL ENDPOINTS IN RELAPSED/REFRACTORY MULTIPLE MYELOMA PATIENTS TREATED WITH IDECABTAGENE VICLEUCEL (BB2121). (23rd June 2022) - Rytlewski, J.; Fuller, J.; Mertz, D. R.; Freeman, C.; Manier, S.; Shah, N.; Campbell, T. B.