{"groups":[{"description":"Patients will receive intravenous clofarabine once daily for three consecutive days. Doses of clofarabine will start at 4 mg/m2/day and will be escalated to higher dose levels.","id":"FG000","title":"4 mg/m2/Day Clofarabine"},{"description":"Patients will receive intravenous clofarabine once daily for three consecutive days. Doses of clofarabine will start at 4 mg/m2/day and will be escalated to higher dose levels.","id":"FG001","title":"8 mg/m2/Day Clofarabine"},{"description":"Patients will receive intravenous clofarabine once daily for three consecutive days. Doses of clofarabine will start at 4 mg/m2/day and will be escalated to higher dose levels.","id":"FG002","title":"13.2 mg/m2/Day Clofarabine"},{"description":"Patients will receive intravenous clofarabine once daily for three consecutive days. Doses of clofarabine will start at 4 mg/m2/day and will be escalated to higher dose levels.","id":"FG003","title":"20 mg/m2/Day Clofarabine"},{"description":"Patients will receive intravenous clofarabine once daily for three consecutive days. Doses of clofarabine will start at 4 mg/m2/day and will be escalated to higher dose levels.","id":"FG004","title":"28 mg/m2/Day Clofarabine"}],"periods":[{"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"1"},{"groupId":"FG001","numSubjects":"3"},{"groupId":"FG002","numSubjects":"4"},{"groupId":"FG003","numSubjects":"17"},{"groupId":"FG004","numSubjects":"4"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"1"},{"groupId":"FG001","numSubjects":"3"},{"groupId":"FG002","numSubjects":"4"},{"groupId":"FG003","numSubjects":"17"},{"groupId":"FG004","numSubjects":"4"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"},{"groupId":"FG003","numSubjects":"0"},{"groupId":"FG004","numSubjects":"0"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}