{"calculatePct":false,"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"0"},{"groupId":"OG002","value":"0"},{"groupId":"OG003","value":"0"},{"groupId":"OG004","value":"0"},{"groupId":"OG005","value":"1"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"4"},{"groupId":"OG001","value":"3"},{"groupId":"OG002","value":"10"},{"groupId":"OG003","value":"17"},{"groupId":"OG004","value":"3"},{"groupId":"OG005","value":"4"}],"units":"Participants"}],"description":"DLTs were defined as any of the following events: Grade 4 laboratory abnormalities, except those events that were clearly due to extraneous causes; nonhematologic TEAEs of grade greater than or equal to (\\>=3) except grade 3 nausea/vomiting, fatigue lasting less than 72 hours, elevation of alanine aminotransferase (ALT) or aspartate aminotransferase (AST) that resolves to grade less than or equal to (\\<=)1 or baseline within 7 days, injection reaction (IR) that responds to symptomatic treatment; Hematologic TEAEs of National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) grade \\>=4, except grade \\>=3 hemolysis, grade 3 low platelet or higher count with clinically meaningful bleeding; and an incomplete recovery from treatment-related toxicity causing a greater than (\\>) 2-week delay in the next scheduled injection before the initiation of Cycle 2 will be considered a DLT.","groups":[{"description":"Mezagitamab 45 mg, SC, once weekly for 8 weeks, then once every 2 weeks for 16 weeks, and then once every 4 weeks thereafter in a 28-day treatment cycle until PD, unacceptable toxicities or withdrawal due to other reasons.","id":"OG000","title":"Phase 1 Dose Escalation Cohort: Mezagitamab 45 mg"},{"description":"Mezagitamab 135 mg, SC, once weekly for 8 weeks, then once every 2 weeks for 16 weeks, and then once every 4 weeks thereafter in a 28-day treatment cycle until PD, unacceptable toxicities or withdrawal due to other reasons.","id":"OG001","title":"Phase 1 Dose Escalation Cohort: Mezagitamab 135 mg"},{"description":"Mezagitamab 300 mg, SC, once weekly for 8 weeks, then once every 2 weeks for 16 weeks, and then once every 4 weeks thereafter in a 28-day treatment cycle until PD, unacceptable toxicities or withdrawal due to other reasons.","id":"OG002","title":"Phase 1 Dose Escalation Cohort: Mezagitamab 300 mg"},{"description":"Mezagitamab 600 mg, SC, once weekly for 8 weeks, then once every 2 weeks for 16 weeks, and then once every 4 weeks thereafter in a 28-day treatment cycle until PD, unacceptable toxicities or withdrawal due to other reasons.","id":"OG003","title":"Phase 1 Dose Escalation Cohort: Mezagitamab 600 mg"},{"description":"Mezagitamab 1200 mg, SC, once weekly for 8 weeks, then once every 2 weeks for 16 weeks, and then once every 4 weeks thereafter in a 28-day treatment cycle until PD, unacceptable toxicities or withdrawal due to other reasons.","id":"OG004","title":"Phase 1 Dose Escalation Cohort: Mezagitamab 1200 mg"},{"description":"Mezagitamab 300 mg, SC, once weekly for 8 weeks, then once every 2 weeks for 16 weeks, and then once every 4 weeks thereafter along with pomalidomide, at product-labelled dose, orally, once daily on Days 1 to 21 and dexamethasone, at product-labelled dose, orally, once on Days 1, 8, 15, and 22 in a 28-day treatment cycle until PD.","id":"OG005","title":"Phase 1 Combination Cohort: Mezagitamab 300 mg + PomDex"}],"paramType":"COUNT_OF_PARTICIPANTS","populationDescription":"DLT-evaluable analysis set included participants who received all Cycle 1 doses of mezagitamab and completed Cycle 1 procedures or experienced a DLT in Cycle 1.","reportingStatus":"POSTED","timeFrame":"Cycle 1 (cycle length=28 days)","title":"Phase 1: Number of Participants With Dose-limiting Toxicities (DLTs)","type":"PRIMARY","unitOfMeasure":"Participants"}