RecruitingPhase 2Drug trialMRD-Guided BCMA/CD3 Bispecific Antibody Treatment After Stem Cell Transplant for Newly Diagnosed Multiple MyelomaThis is a prospective, single-arm clinical study designed to evaluate the efficacy and safety of the BCMA/CD3 bispecific antibody (CM336) as maintenance therapy after autologous hematopoietic stem cell transplantation in patients with newly diagnosed multiple myeloma.