{"denoms":[{"counts":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"0"},{"groupId":"OG002","value":"0"},{"groupId":"OG003","value":"0"},{"groupId":"OG004","value":"0"}],"units":"Participants"}],"description":"Serum samples were collected for the analysis of the presence of ADAs using validated immunoassays. All samples were to be further tested in screening assay, and positive samples were further to be characterized for antibody titers.","groups":[{"description":"In DE Phase, participants with Relapsed/Refractory Multiple Myeloma (RRMM) received 0.95 milligram (mg)/kilogram (kg) belantamab mafodotin intravenous (IV) infusion as powder for solution once every 3 weeks (Q3W) infused over 30- 60 minutes on day 1 of 21-day cycles in combination with 100 mg nirogacestat administered twice a day (BID) on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.","id":"OG000","title":"DE Phase: 0.95 mg/kg Belantamab Mafodotin + Nirogacestat"},{"description":"In DE Phase, participants with RRMM received 1.9 mg/ kg belantamab mafodotin IV infusion as powder for solution once Q3W infused over 30- 60 minutes on day 1 of 21-day cycles in combination with 100 mg nirogacestat administered BID on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.","id":"OG001","title":"DE Phase: 1.9 mg/kg Belantamab Mafodotin+ Nirogacestat"},{"description":"In DE Phase, participants with RRMM received 1.0 mg/ kg belantamab mafodotin IV infusion as powder for solution once every 4 weeks (Q4W) for Cycle 1-2 and then once every 8 weeks (Q8W) from Cycle 2 onwards, infused over 30- 60 minutes on day 1 of 28-day cycles in Q4W and 56-day cycle in Q8W in combination with 100 mg nirogacestat BID on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.","id":"OG002","title":"DE Phase: 1.0 mg/kg Belantamab Mafodotin Q4W/Q8W + Nirogacestat BID"},{"description":"In DE Phase, participants with RRMM received 1.4 mg/ kg belantamab mafodotin IV infusion as powder for solution Q4W for Cycle 1 and then Q8W from Cycle2 onwards, infused over 30- 60 minutes on day 1 of 21-day cycles in combination with 100 mg nirogacestat BID on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.","id":"OG003","title":"DE Phase: 1.4 mg/kg Belantamab Mafodotin Q4W/Q8W + Nirogacestat BID"},{"description":"In DE Phase, participants with RRMM received 1.4 mg/ kg belantamab mafodotin IV infusion as powder for solution Q4W, infused over 30- 60 minutes on day 1 of 28-day cycles in combination with 100 mg nirogacestat BID on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.","id":"OG004","title":"DE Phase: 1.4 mg/kg Belantamab Mafodotin Q4W + Nirogacestat BID"}],"populationDescription":"Safety Population. No participants were found positive for ADAs, hence participants were not analyzed for titers of ADAs.","reportingStatus":"POSTED","timeFrame":"Up to approximately 157 weeks.","title":"DE Phase: Titer of ADAs Against Belantamab Mafodotin","type":"SECONDARY"}