Summary: The purpose of this umbrella study is to evaluate isatuximab when combined with novel agents with or without dexamethasone in participants with relapsed or refractory myeloma. Substudy 01 is the control Substudy. Substudies 02, 03, and 06 are controlled experimental substudies. Substudies 04 and 05 are independent experimental substudies.

Summary: The goal of this research study is to test the efficacy of a novel immunosuppressive agent, belumosudil, in allogeneic hematopoietic stem cell transplant (HSCT) recipients who have been newly diagnosed or have developing (early stage) bronchiolitis obliterans syndrome (BOS). The name of the study drugs involved in this study are: * Belumosudil (an immunotherapy) * Fluticasone (an intranasal cortic...

Summary: This is an open-label, single group, Phase 1/2, 1-arm study for treatment of children aged 1 to \<18 years with active moderate-to-severe cGVHD that is refractory to or recurred after at least 2 prior lines of systemic therapy for cGVHD. The purpose of Phase 1 is to determine the PK profiles and to establish the Recommended Pediatric Equivalent Dose (RPED) of belumosudil in participants aged 1 to ...