{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"0"},{"groupId":"OG002","value":"8"},{"groupId":"OG003","value":"0"},{"groupId":"OG004","value":"0"},{"groupId":"OG005","value":"17"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"2"},{"groupId":"OG001","value":"1"},{"groupId":"OG002","value":"12"},{"groupId":"OG003","value":"18"},{"groupId":"OG004","value":"3"},{"groupId":"OG005","value":"6"}],"units":"Participants"}],"description":"Percentages are rounded off to whole number at the nearest decimal.","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":"NUMBER","populationDescription":"The immunogenicity analysis set included those participants from the safety population who had baseline and at least 1 postbaseline sample assessment.","reportingStatus":"POSTED","timeFrame":"Up to approximately 3.7 years","title":"Percentage of Participants With Positive Anti-drug Antibodies (ADA)","type":"SECONDARY","unitOfMeasure":"percentage of participants"}