120
Participants
Start Date
April 8, 2014
Primary Completion Date
August 31, 2018
Study Completion Date
August 31, 2018
metformin
Metformin will be given at a dose of 850 mg orally once daily for 1 month with titration up to 850 mg orally twice daily for the remainder of the study.
placebo
One placebo capsule by mouth once daily for 1 month followed by one placebo capsule by mouth twice daily for the remainder of the study.
VA Portland Health Care System, Portland, OR, Portland
Oregon Health and Science University
OTHER
VA Office of Research and Development
FED