RecruitingPhase 2Drug trialCombination of Orelabrutinib and Obinutuzumab in Untreated Marginal Zone LymphomasThis is a prospective single arm phase II study, and the purpose of this study is to evaluate the safety and efficacy of orelabrutinib combined with obinutuzumab a in untreated marginal zone lymphoma. It is planned to recruit 45 patients. The primary endpoint is the complete remission rate at 12 months.