Overview Evaluation of the Condition of Rheumatoid Arthritis After Treatment Status: Recruiting Trial end date: 2025-03-01 Target enrollment: Participant gender: Summary To examine the safety and effectiveness after Xeljanz treatment in rheumatoid arthritis patients Phase: Phase 4 Details Lead Sponsor: Shinshu UniversityCollaborator: Showa Inan General HospitalTreatments: Tofacitinib