{"groups":[{"description":"Includes patients who may or may not require chemotherapy. Patients who require chemotherapy receive vincristine IV and carboplatin IV over 1 hour on day 1 and etoposide IV over 1 hour on days 1 and 2. Treatment repeats every 28 days for up to 6 courses in the absence of disease progression or unacceptable toxicity and patients who complete chemotherapy are followed after completion of therapy periodically for at least 5 years. Patients who do not require chemotherapy undergo observation periodically for at least 5 years.","id":"FG000","title":"Group 1 (Identified by Central Review as High Risk)"},{"description":"Patients undergo observation periodically for at least 5 years.","id":"FG001","title":"Group 2 (Identified by Central Review as Not High Risk)"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"6"},{"groupId":"FG001","numSubjects":"0"}],"type":"Physician Decision"},{"reasons":[{"groupId":"FG000","numSubjects":"2"},{"groupId":"FG001","numSubjects":"0"}],"type":"Withdrawal by Subject"},{"reasons":[{"groupId":"FG000","numSubjects":"3"},{"groupId":"FG001","numSubjects":"4"}],"type":"Ineligible"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"108"},{"groupId":"FG001","numSubjects":"223"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"97"},{"groupId":"FG001","numSubjects":"219"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"11"},{"groupId":"FG001","numSubjects":"4"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}