RecruitingPhase 2Drug trialOrelabrutinib Combined With Obinutuzumab and Lenalidomide (OGL Regimen) as First-line Treatment for Marginal Zone Lymphoma.This is a multicenter prospective single arm phase II study, and the purpose of this study is to evaluate the safety and efficacy of orelabrutinib combined with obinutuzumab and lenalidomide in untreated marginal zone lymphoma. The primary objective was the best complete response rate (CRR).