{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"1"},{"groupId":"OG002","value":"1"},{"groupId":"OG003","value":"0"},{"groupId":"OG004","value":"0"}]}],"title":"Grade 1"},{"categories":[{"measurements":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"0"},{"groupId":"OG002","value":"0"},{"groupId":"OG003","value":"1"},{"groupId":"OG004","value":"12"}]}],"title":"Grade 2"},{"categories":[{"measurements":[{"groupId":"OG000","value":"1"},{"groupId":"OG001","value":"1"},{"groupId":"OG002","value":"1"},{"groupId":"OG003","value":"4"},{"groupId":"OG004","value":"9"}]}],"title":"Grade 3"},{"categories":[{"measurements":[{"groupId":"OG000","value":"1"},{"groupId":"OG001","value":"0"},{"groupId":"OG002","value":"0"},{"groupId":"OG003","value":"2"},{"groupId":"OG004","value":"1"}]}],"title":"Grade 4"}],"denoms":[{"counts":[{"groupId":"OG000","value":"2"},{"groupId":"OG001","value":"2"},{"groupId":"OG002","value":"2"},{"groupId":"OG003","value":"7"},{"groupId":"OG004","value":"22"}],"units":"Participants"}],"description":"The following hematology laboratory parameters were assessed: hemoglobin high, hemoglobin low, leukocytes high, leukocytes low, lymphocytes high, lymphocytes low, neutrophils low and platelets low. Laboratory abnormality events were graded according to NCI CTCAE v 4.03 (grade 1=mild, grade 2=moderate, grade 3= severe and grade 4= life-threatening). Participants with any hematology parameter meeting CTCAE grade 1 to 4 were reported.","groups":[{"description":"Participants received SEA-BCMA 100 mg as a monotherapy q2wk IV on Day 1 and 15 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 A: SEA-BCMA 100mg"},{"description":"Participants received SEA-BCMA 200 mg as a monotherapy q2wk IV on Day 1 and 15 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 A: SEA-BCMA 200mg"},{"description":"Participants received SEA-BCMA 400 mg as a monotherapy q2wk IV on Day 1 and 15 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 A: SEA-BCMA 400mg"},{"description":"Participants received SEA-BCMA 800 mg as a monotherapy q2wk IV on Day 1 and 15 of each 28- day cycle. Participants received treatment until disease progression, unacceptable toxicity, withdrawal of consent, death, or study termination, whichever occurs first.","id":"OG003","title":"Part A: SEA-BCMA 800mg"},{"description":"Participants received SEA-BCMA 1600 mg as a monotherapy q2wk IV on Day 1 and 15 of each 28- day cycle. Participants received treatment until disease progression, unacceptable toxicity, withdrawal of consent, death, or study termination, whichever occurs first.","id":"OG004","title":"Part A: SEA-BCMA 1600mg"}],"paramType":"COUNT_OF_PARTICIPANTS","populationDescription":"All treated participants analysis set included all treated participants who received any amount of SEA-BCMA.","reportingStatus":"POSTED","timeFrame":"From first dose of the study treatment (Day 1) up to 30 days after the last dose of study treatment up to 44 months (maximum follow up of 45 months)","title":"Number of Participants With Maximum Laboratory Toxicity Grade, by NCI-CTCAE v4.03- Hematology: Part A","type":"PRIMARY","unitOfMeasure":"Participants"}