RecruitingPhase 2Drug trialMinimal Residual Disease Guided Maintenance Therapy With Belantamab Mafodotin and Lenalidomide After Autologous Hematopoietic Cell Transplantation in Patients With Newly Diagnosed Multiple MyelomaTo increase the conversion rate from MRD-positive to MRD-negative CR in patients with newly diagnosed multiple myeloma (NDMM) receiving post-transplant maintenance therapy with belantamab mafodotin plus lenalidomide.