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Participants also received carfilzomib 20 mg/m\\^2 on Cycle 2 Day 1 and 56 mg/m\\^2 on Cycle 2 Days 8 and 15, and from Cycle 3 onwards on Days 1, 8, and 15, administered as an IV infusion (1 cycle = 28 days).","id":"BG001","title":"Cohort 1: Arm B2: Forimtamig 0.75 mg + Carfilzomib"},{"description":"Participants received step-up doses of forimtamig, 0.03 mg on Cycle 1 Day 1, 0.15 mg on Cycle 1 Day 8, and the target dose of 1.5 mg on Cycle 1 Day 15 and on Days 1 and 15 of each subsequent cycle, administered as a SC injection. Participants also received carfilzomib, 20 mg/m\\^2 on Cycle 2 Day 1 and 56 mg/m\\^2 on Cycle 2 Days 8 and 15, and from Cycle 3 onwards on Days 1, 8, and 15, administered as an IV infusion (1 cycle = 28 days).","id":"BG002","title":"Cohort 1: Arm B3: Forimtamig 1.5 mg + Carfilzomib"},{"description":"Total of all reporting groups","id":"BG003","title":"Total"}],"measures":[{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"0"},{"groupId":"BG001","value":"0"},{"groupId":"BG002","value":"0"},{"groupId":"BG003","value":"0"}],"title":"<=18 years"},{"measurements":[{"groupId":"BG000","value":"2"},{"groupId":"BG001","value":"4"},{"groupId":"BG002","value":"6"},{"groupId":"BG003","value":"12"}],"title":"Between 18 and 65 years"},{"measurements":[{"groupId":"BG000","value":"5"},{"groupId":"BG001","value":"3"},{"groupId":"BG002","value":"1"},{"groupId":"BG003","value":"9"}],"title":">=65 years"}]}],"paramType":"COUNT_OF_PARTICIPANTS","title":"Age, Categorical","unitOfMeasure":"Participants"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"4"},{"groupId":"BG001","value":"2"},{"groupId":"BG002","value":"2"},{"groupId":"BG003","value":"8"}],"title":"Female"},{"measurements":[{"groupId":"BG000","value":"3"},{"groupId":"BG001","value":"5"},{"groupId":"BG002","value":"5"},{"groupId":"BG003","value":"13"}],"title":"Male"}]}],"paramType":"COUNT_OF_PARTICIPANTS","title":"Sex: Female, Male","unitOfMeasure":"Participants"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"0"},{"groupId":"BG001","value":"0"},{"groupId":"BG002","value":"0"},{"groupId":"BG003","value":"0"}],"title":"Hispanic or Latino"},{"measurements":[{"groupId":"BG000","value":"6"},{"groupId":"BG001","value":"6"},{"groupId":"BG002","value":"4"},{"groupId":"BG003","value":"16"}],"title":"Not Hispanic or Latino"},{"measurements":[{"groupId":"BG000","value":"1"},{"groupId":"BG001","value":"1"},{"groupId":"BG002","value":"3"},{"groupId":"BG003","value":"5"}],"title":"Unknown or Not Reported"}]}],"paramType":"COUNT_OF_PARTICIPANTS","title":"Ethnicity (NIH/OMB)","unitOfMeasure":"Participants"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"0"},{"groupId":"BG001","value":"0"},{"groupId":"BG002","value":"0"},{"groupId":"BG003","value":"0"}],"title":"American Indian or Alaska Native"},{"measurements":[{"groupId":"BG000","value":"2"},{"groupId":"BG001","value":"2"},{"groupId":"BG002","value":"1"},{"groupId":"BG003","value":"5"}],"title":"Asian"},{"measurements":[{"groupId":"BG000","value":"1"},{"groupId":"BG001","value":"0"},{"groupId":"BG002","value":"0"},{"groupId":"BG003","value":"1"}],"title":"Native Hawaiian or Other Pacific Islander"},{"measurements":[{"groupId":"BG000","value":"0"},{"groupId":"BG001","value":"0"},{"groupId":"BG002","value":"0"},{"groupId":"BG003","value":"0"}],"title":"Black or African American"},{"measurements":[{"groupId":"BG000","value":"3"},{"groupId":"BG001","value":"5"},{"groupId":"BG002","value":"4"},{"groupId":"BG003","value":"12"}],"title":"White"},{"measurements":[{"groupId":"BG000","value":"0"},{"groupId":"BG001","value":"0"},{"groupId":"BG002","value":"0"},{"groupId":"BG003","value":"0"}],"title":"More than one race"},{"measurements":[{"groupId":"BG000","value":"1"},{"groupId":"BG001","value":"0"},{"groupId":"BG002","value":"2"},{"groupId":"BG003","value":"3"}],"title":"Unknown or Not Reported"}]}],"paramType":"COUNT_OF_PARTICIPANTS","title":"Race (NIH/OMB)","unitOfMeasure":"Participants"}],"populationDescription":"Data for all participants randomized in the study have been presented."}