Overview Efficacy, Safety and Immunological Evaluation of Tofacitinib in the Treatment of Primary Sjogren's Syndrome Status: Recruiting Trial end date: 2023-10-01 Target enrollment: Participant gender: Summary This study aims to explore the clinical and immunological efficacy of tofacitinib on primary Sjögren's Syndrome Phase: Phase 2 Details Lead Sponsor: Peking University People's HospitalTreatments: Tofacitinib