{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"0"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"4"},{"groupId":"OG001","value":"4"}],"units":"Participants"}],"description":"Serum samples were collected and tested for the presence of antibodies against belantamab mafodotin.","groups":[{"description":"Participants with Relapsed or Refractory Multiple Myeloma (RRMM) received belantamab mafodotin as 2.5 milligram (mg)/kilogram (kg) dose via intravenous (IV) infusion on Day 1 of every 21-day cycle (Q3W) maximum up to disease progression.","id":"OG000","title":"Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)"},{"description":"Participants with RRMM received belantamab mafodotin as dose of 3.4 mg/kg via IV infusion on Day 1 of every 21-day cycle (Q3W) maximum up to disease progression.","id":"OG001","title":"Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kg"}],"paramType":"COUNT_OF_PARTICIPANTS","populationDescription":"All treated population","reportingStatus":"POSTED","timeFrame":"Up to approximately 141 weeks","title":"Part 1: Number of Participants With Anti-drug Antibodies (ADAs) Against Belantamab Mafodotin","type":"SECONDARY","unitOfMeasure":"Participants"}