Overview Therapeutic Effects of Berberine in Patients With Type 2 Diabetes Status: Completed Trial end date: 2004-12-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether berberine is effective in the treatment of type 2 diabetes. Phase: Phase 1/Phase 2 Details Lead Sponsor: Shanghai Jiao Tong University School of MedicineCollaborator: National Institutes of Health (NIH)Treatments: Metformin