9
Participants
Start Date
January 31, 2007
Primary Completion Date
October 31, 2012
Study Completion Date
October 31, 2012
metformin
500mg tablets, 250mg to 2000mg/day, po, BID to TID, 26 weeks
placebo
500/0mg tablets, 250-2000mg/day divided BID to TID, po, 26 weeks
University of North Carolina, Department of Psychiatry, Chapel Hill
Foundation of Hope, North Carolina
OTHER
University of North Carolina, Chapel Hill
OTHER