MRD negative rate is the percentage of participants who achieve MRD negative status by evaluation of bone marrow aspirate as defined by the International Myeloma Working Group (IMWG) criteria.

Sustained MRD-negative CR is defined as participants with CR or better who sustain MRD-negative status, as determined by next-generation sequencing (NGS) or next generation flowcytometry (NGF) with sensitivity of 10\^-5, for at least 12 months without any examination showing MRD positive status or progressive disease in between.

An AE was any untoward medical occurrence in a clinical study participant administered a pharmaceutical (investigational or non-investigational) product. An AE does not necessarily have a causal relationship with the intervention. Severity was graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5.0. Severity scale ranges from Grade 1 (Mild) to Grade 5 (Death). Grade 1= Mild, Grade 2= Moderate, Grade 3= Severe, Grade 4= Life-threatening and Grade 5= Death related to adverse event.

ORR was defined as the percentage of participants who achieved partial response (PR) or better according to international myeloma working group (IMWG) criteria. IMWG criteria for PR: greater than or equal to (\>=) 50 percent (%) reduction of serum M-protein and reduction in 24-hour urinary M-protein by \>=90% or to less than (\<) 200 milligrams (mg) per 24 hours. If the serum and urine M-protein were not measurable, a decrease of \>=50% in the difference between involved and uninvolved free light chain (FLC) levels was required in place of the M-protein criteria. If serum and urine M-protein were not measurable, and serum free light assay was also not measurable, \>=50% reduction in bone marrow plasma cells (PCs) was required in place of M-protein, provided baseline bone marrow PC percentage was \>=30%. In addition to the above criteria, if present at baseline, a \>=50% reduction in the size of soft tissue plasmacytomas was also required.