35
Participants
Start Date
November 30, 2014
Primary Completion Date
December 8, 2016
Study Completion Date
December 8, 2016
Folic Acid
1 mg folic acid once daily
Placebo
placebo once weekly
Low Dose Methotrexate
An anti-inflammatory drug
Massachusetts General Hospital, Boston
Brigham and Women's Hospital
OTHER
Harvard School of Public Health (HSPH)
OTHER
University of California, San Francisco
OTHER
Massachusetts General Hospital
OTHER