Overview Aminopterin Dose Finding Treatment for Methotrexate-Naïve Rheumatoid Arthritis Status: Completed Trial end date: 2015-02-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether aminopterin is effective in the treatment of rheumatoid arthritis (RA). Phase: Phase 2 Details Lead Sponsor: Syntrix Biosystems, Inc.Treatments: AminopterinMethotrexate