{"groups":[{"description":"Lenalidomide: 25mg once daily orally with food on days 1-21 of 28 day cycle until progression or to a maximum of 18 cycles.\n\nDexamethasone: 10-40 mg once weekly (days 1, 8, 15, \\& 22) orally with food until progression.","id":"FG000","title":"Lenalidomide With On-Demand Dexamethasone"}],"periods":[{"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"38"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"23"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"15"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}],"preAssignmentDetails":"One participant canceled prior to starting treatment; this participant has been removed from all analyses.","recruitmentDetails":"Thirty-nine (39) participants were recruited at Mayo Clinic (Rochester) between December 2008 and April 2010."}