{"groups":[{"description":"BB2121","id":"FG000","title":"BB2121"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"77"}],"type":"Death"},{"reasons":[{"groupId":"FG000","numSubjects":"4"}],"type":"Lost to Follow-up"},{"reasons":[{"groupId":"FG000","numSubjects":"20"}],"type":"Withdrawal by Subject"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"137"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"36"}],"comment":"completed as per protocol","type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"101"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}],"preAssignmentDetails":"137 participants treated"}