{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"0.7","upperLimit":"36.4","value":"1.6"},{"groupId":"OG001","lowerLimit":"0.7","upperLimit":"24.1","value":"3.2"},{"groupId":"OG002","lowerLimit":"0.7","upperLimit":"7.2","value":"3.5"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"12"},{"groupId":"OG001","value":"6"},{"groupId":"OG002","value":"5"}],"units":"Participants"}],"description":"PFS: Time from the start of any study treatment to first documentation of DP or to death due to any cause, whichever comes first. DP included objective evidence of tumor progression (based on serum, urine or BM assessments) and/or clinical progression per investigator. PFS was censored on the date of the last disease assessment documenting absence of PD for participants who do not have disease progression and are still on study at the time of an analysis, or discontinuation of study prior to documentation of tumor progression. Participants who have started a new antitumor treatment prior to documentation of PD were censored at the last disease assessment prior to start of new treatment. Participants lacking an evaluation of tumor response after their first dose had their event time censored as 1 day.","dispersionType":"Full Range","groups":[{"description":"Participants received SEA-BCMA 1600 mg IV q2wk on Day 1 and 15 of each 28-day cycle, and dexamethasone 40 mg orally or as an IV infusion on Day 1, 8, 15, and 22 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 C: SEA-BCMA 1600mg and Dexamethasone"},{"description":"Participants received SEA-BCMA 800 mg IV q1wk on Day 1 and 15 of each 28-day cycle, and dexamethasone 40 mg orally or as an IV infusion on Day 1, 8, 15, and 22 of each 28-day cycle. Participants received treatment until disease progression, unacceptable toxicity, withdrawal of consent, death, or study termination, whichever occurs first.","id":"OG001","title":"Part C: SEA-BCMA 800mg and Dexamethasone"},{"description":"Participants received SEA-BCMA 1600 mg IV q1wk on Day 1,8,15 and 22 of each 28-day cycle, and dexamethasone 40 mg orally or as an IV infusion on Day 1, 8, 15, and 22 of each 28-day cycle. Participants received treatment until disease progression, unacceptable toxicity, withdrawal of consent, death, or study termination, whichever occurs first.","id":"OG002","title":"Part C: SEA-BCMA 1600 mg and Dexamethasone"}],"paramType":"MEDIAN","populationDescription":"All treated participants analysis set included all treated participants who received any amount of SEA-BCMA.","reportingStatus":"POSTED","timeFrame":"From the date of first dose until the first documentation of PD or death or censoring date, whichever occurred first (maximum up to 37 months)","title":"PFS: Part C","type":"SECONDARY","unitOfMeasure":"Months"}