S103: EFFICACY AND SAFETY OF ARI0002H, AN ACADEMIC BCMA-DIRECTED CAR-T CELL THERAPY WITH FRACTIONATED INITIAL THERAPY AND BOOSTER DOSE IN PATIENTS WITH RELAPSED/REFRACTORY MULTIPLE MYELOMA. (23rd June 2022) - Fernandez De Larrea, C.; González-Calle, V.; Oliver-Caldés, A.; Cabañas, V.; Rodríguez-Otero, P.; Español-Rego, M.; Reguera, J. L.; López-Corral, L.; Martin-Antonio, B.; Paiva, B.; Inogés, S.; Rosiñol, L.; et al.