A Randomized, Double-blind, Parallel-controlled Phase I Study to Compare the Pharmacokinetic Characteristics, Safety, Tolerability, and Immunogenicity of HLX15-SC With DARZALEX FASPRO® in Combination With Lenalidomide and Dexamethasone (Rd) in Transplant-ineligible Patients With Newly Diagnosed Multiple Myeloma

A Single-arm, Open-label, Phase 2 Study Evaluating Subcutaneous Administration of Isatuximab, Administered by an On Body Delivery System, in Combination With Weekly Carfilzomib and Dexamethasone in Adult Participants With Relapsed and/or Refractory Multiple Myeloma (RRMM)