{"groups":[{"description":"Patients receive oral exemestane (25 mg) once daily for 5 years.\n\nexemestane: Given orally","id":"FG000","title":"Exemestane"},{"description":"Patients receive oral anastrozole (1 mg) once daily for 5 years.\n\nanastrozole: Given orally","id":"FG001","title":"Anastrozole"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"28"},{"groupId":"FG001","numSubjects":"28"}],"type":"Did not received protocol treatment"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"3789"},{"groupId":"FG001","numSubjects":"3787"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"3761"},{"groupId":"FG001","numSubjects":"3759"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"28"},{"groupId":"FG001","numSubjects":"28"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}