{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"0"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"2"}],"units":"Participants"}],"description":"A positive baseline ATA result was considered positive post-baseline if the post-baseline ATA titer result was at least four times higher than the baseline result.","groups":[{"description":"Participants received SEA-BCMA 1600 mg IV q2wk on Day 1 and 15 of each 28-day cycle, dexamethasone 40 mg orally or as an IV infusion on Day 1, 8, 15, and 22 and pomalidomide 4 mg orally, daily from Day 1 to 21 of each of each 28-day cycle. Participants received treatment until disease progression, unacceptable toxicity, withdrawal of consent, death, or study termination, whichever occurs first.","id":"OG000","title":"Part D: SEA-BCMA 1600 mg, Pomalidomide and Dexamethasone"}],"paramType":"COUNT_OF_PARTICIPANTS","populationDescription":"All treated participants analysis set included all treated participants who received any amount of SEA-BCMA. Here \"Number of Participants Analyzed\" signifies participants evaluable for this outcome measure.","reportingStatus":"POSTED","timeFrame":"Anytime during study (maximum up to 20 months)","title":"Number of Participants With SEA-BCMA, ATA: Part D","type":"SECONDARY","unitOfMeasure":"Participants"}