{"calculatePct":false,"classes":[{"categories":[{"measurements":[{"groupId":"OG001","value":"0"},{"groupId":"OG002","value":"0"},{"groupId":"OG003","value":"0"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"2"},{"groupId":"OG002","value":"10"},{"groupId":"OG003","value":"1"}],"units":"Participants"}],"groups":[{"description":"This substudy was withdrawn; therefore, no participants were enrolled.","id":"OG000","title":"Substudy A (Relapsed/Refractory Waldenstrom Macroglobulinemia): Brexucabtagene Autoleucel"},{"description":"Participants with Relapsed/Refractory Richter Transformation received the following treatment during the study:\n\nLymphodepletion chemotherapy regimen of fludarabine 30 mg/m\\^2/day IV and cyclophosphamide 500 mg/m\\^2/day IV for 3 days (Day -5 to Day -3). A single IV infusion of brexucabtagene autoleucel at target dose of 2 × 10\\^6 anti-CD19 CAR T cells/kg on Day 0.","id":"OG001","title":"Substudy B (Relapsed/Refractory Richter Transformation): Brexucabtagene Autoleucel"},{"description":"Participants with Relapsed/Refractory Burkitt Lymphoma received the following treatment during the study: Lymphodepletion chemotherapy regimen of fludarabine 30 mg/m\\^2/day IV and cyclophosphamide 500 mg/m\\^2/day IV for 3 days (Day -5 to Day -3). A single IV infusion of brexucabtagene autoleucel at target dose of 2 × 10\\^6 anti-CD19 CAR T cells/kg on Day 0.","id":"OG002","title":"Substudy C (Relapsed/Refractory Burkitt Lymphoma): Brexucabtagene Autoleucel"},{"description":"Participants with Relapsed/Refractory hairy cell leukemia received the following treatment during the study: Lymphodepletion chemotherapy regimen of fludarabine 30 mg/m\\^2/day IV and cyclophosphamide 500 mg/m\\^2/day IV for 3 days (Day -5 to Day -3). A single IV infusion of brexucabtagene autoleucel at target dose of 2 × 10\\^6 anti-CD19 CAR T cells/kg on Day 0.","id":"OG003","title":"Substudy D (Relapsed/Refractory Hairy Cell Leukemia): Brexucabtagene Autoleucel"}],"paramType":"COUNT_OF_PARTICIPANTS","populationDescription":"Participants in substudies B, C and D, in the Safety Analysis Set were analyzed. Substudy A was terminated prematurely, therefore no participants were enrolled in it. Hence, data is not available.","reportingStatus":"POSTED","timeFrame":"Up to 2 years","title":"All Substudies (Substudies A, B, C and D): Number of Participants With Replication-competent Retrovirus (RCR) in Peripheral Blood Mononuclear Cells (PBMCs)","type":"SECONDARY","unitOfMeasure":"Participants"}