OBJECTIVES The following study aims to evaluate the monotherapy with biologic agents: Infliximab (IFX), Etanercept (ETA), Adalimumab (ADA) and Rituximab (RTX) in patients diagnosed with rheumatoid arthritis (RA). METHODS To achieve these objectives, the database of "Dr. I. Cantacuzino" Clinical Hospital, Department of Internal Medicine and Rheumatology, was used. The study was retrospective a...