{"groups":[{"description":"Newly Diagnosed VHR B-ALL or High-Risk Relapse of B","id":"FG000","title":"Cohort A"},{"description":"Poor Response to Prior B Cell Directed Engineered cell therapy","id":"FG001","title":"Cohort B"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"17"},{"groupId":"FG001","numSubjects":"19"}],"type":"Alternative Treatment"},{"reasons":[{"groupId":"FG000","numSubjects":"2"},{"groupId":"FG001","numSubjects":"0"}],"type":"Death"},{"reasons":[{"groupId":"FG000","numSubjects":"8"},{"groupId":"FG001","numSubjects":"9"}],"type":"Disease progression"},{"reasons":[{"groupId":"FG000","numSubjects":"1"},{"groupId":"FG001","numSubjects":"1"}],"type":"Lost to Follow-up"},{"reasons":[{"groupId":"FG000","numSubjects":"1"},{"groupId":"FG001","numSubjects":"0"}],"type":"Screen fail"},{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"1"}],"type":"Second malignancy"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"55"},{"groupId":"FG001","numSubjects":"51"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"26"},{"groupId":"FG001","numSubjects":"21"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"29"},{"groupId":"FG001","numSubjects":"30"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}