31
Participants
Start Date
January 31, 2007
Primary Completion Date
December 31, 2009
Study Completion Date
March 31, 2010
Metformin
Tablet of 500 mg metformin, oral every 12 hours (total metformin dose of 1 g/day) for 3 months.
Placebo
Tablet of 500 mg oral placebo every 12 hours for 3 months.
Hospital Regional de Alta Especialidad del Bajío, León
Hospital Infantil de México Federico Gómez, Mexico City
Hospital Infantil de Mexico Federico Gomez
OTHER
Hospital Regional de Alta Especialidad del Bajio
OTHER