RecruitingPhase 2Drug trialEfficacy and Safety of Telitacicept in the Treatment of Systemic SclerosisThis study is a prospective, open-label, randomized, controlled, multi-center clinical trial. The aim of this study is to investigate the efficacy and safety of Telitacicept in adults with early diffuse cutaneous systemic sclerosis (dcSSc), with Mycophenolate Mofetil (MMF) administered as a background treatment.