{"groups":[{"description":"All participants who were enrolled in the study","id":"FG000","title":"CTL019"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"1"}],"type":"Adverse Event"},{"reasons":[{"groupId":"FG000","numSubjects":"7"}],"type":"Physician Decision"},{"reasons":[{"groupId":"FG000","numSubjects":"7"}],"type":"Patient decision"},{"reasons":[{"groupId":"FG000","numSubjects":"3"}],"type":"Lost to Follow-up"},{"reasons":[{"groupId":"FG000","numSubjects":"22"}],"type":"Death"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"98"}],"comment":"Started = enrolled and entered pre-treatment phase","type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"97"}],"comment":"Treated = infused with tisagenlecleucel","type":"Treated"},{"achievements":[{"groupId":"FG000","numSubjects":"1"}],"type":"Discontinued prior to infusion with tisagenlecleucel"},{"achievements":[{"groupId":"FG000","numSubjects":"58"}],"comment":"Completed = Ongoing/in follow-up","type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"40"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}],"preAssignmentDetails":"During the Screening phase and prior to enrolment into the study, participants' white blood cells were collected via leukapheresis.","recruitmentDetails":"90 participants were planned, 98 patients were enrolled and 97 participants were infused with tisagenlecleucel."}