{"groups":[{"description":"Patients receive tazemetostat PO BID on days 1-28. Cycles repeat every 28 days for up to 2 years in the absence of disease progression or unacceptable toxicity.","id":"FG000","title":"Treatment (Tazemetostat)"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"1"}],"type":"Adverse Event"},{"reasons":[{"groupId":"FG000","numSubjects":"2"}],"type":"Physician Decision"},{"reasons":[{"groupId":"FG000","numSubjects":"3"}],"type":"Withdrawal by Subject"},{"reasons":[{"groupId":"FG000","numSubjects":"13"}],"type":"Progressive Disease"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"20"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"1"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"19"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}