80
Participants
Start Date
April 1, 2016
Primary Completion Date
March 13, 2020
Study Completion Date
March 13, 2020
Metformin
Metformin capsule
Placebo
Sucrose filler in gel capsules
Center for Interdisciplinary Research on Nicotine Addiction, University of Pennsylvania, Philadelphia
Pennsylvania Department of Health
OTHER_GOV
University of Pennsylvania
OTHER