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Along with 4 mg Pomalidomide orally per day (QD) on Days 1-21 of each 28-day cycle and Dexamethasone 40mg (20 mg for participants \\>75 years old or BMI \\<18.5 kg/m\\^2) administered orally on days 1, 8, 15 and 22 of each 28-day cycle.","id":"OG000","title":"0.5 Milligram/Kilogram (mg/kg) Belantamab Mafodotin + Nirogacestat + Pomalidomide + Dexamethasone"}],"paramType":"MEDIAN","populationDescription":"PK population. Only those participants who were measured and analyzed (i.e., contributed data reported in the table) were included in the Overall Number of Participants Analyzed field. 'Number Analyzed' signifies participants evaluable for the specified timepoints.","reportingStatus":"POSTED","timeFrame":"Predose, end of infusion (EOI), and 2 hours postdose on Cycle 1 Day 1, anytime sample at Cycle 1 Day 4, 8, 29; Predose and EOI on Day 1 of Cycle 2, 4, 6, 9, 12; Predose on Cycle 18 Day 1; and at end of treatment (~137 weeks)","title":"DE Phase: Plasma Concentration of Belantamab Mafodotin Total Antibody","type":"SECONDARY","unitOfMeasure":"Nanogram/ millilitre (ng/mL)"}