{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"0"},{"groupId":"OG002","value":"0"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"15"},{"groupId":"OG001","value":"16"},{"groupId":"OG002","value":"31"}],"units":"Participants"}],"description":"All on-treatment electrocardiograms (ECGs) were performed in triplicates ( 1 ECG test equaled 3 consecutive individual 12-lead ECGs performed within a 4-minute period). The timing of the ECG was critical to the endpoint of the study. The investigative site documented any deviations from the protocol or procedures related to ECG collection or serum sampling. No ECGs were excluded due to timing deviations; no deviations were considered clinically relevant and all ECG data were included.","groups":[{"description":"Participants in 2 arms were enrolled sequentially. The first group of participants received elotuzumab intravenously at a dose of 20 mg/kg on Days 1 and 8 per 28-day cycle for Cycle 1 and then on Day 1 only in subsequent cycles.","id":"OG000","title":"Elotuzumab, 20 mg/kg"},{"description":"Participants in the second group received elotuzumab intravenously at a dose of 10 mg/kg weekly per 28-day cycle in Cycles 1 and 2, then on Days 1 and 15 in subsequent cycles.","id":"OG001","title":"Elotuzumab, 10 mg/kg"},{"description":"All participants on Elotuzumab therapy. Comprised of both the 20mg/kg and 10mg/kg arms","id":"OG002","title":"Elotuzumab, All Dosages"}],"paramType":"NUMBER","populationDescription":"All participants who received at least 1 dose of study drug","reportingStatus":"POSTED","timeFrame":"cycle 1 to first day of cycle 3 assessed up to 08/17, approximately 59 months","title":"Number of Participants With a Dose- or Concentration-related Effect on QTcF Interval, PR Interval, QRS Interval, and Heart Rate","type":"SECONDARY","unitOfMeasure":"Participants"}