RecruitingPhase 2Drug trialPirtobrutinib, Lisaftoclax, and Rituximab in the Treatment of R/R DLBCLThis study aims to evaluate the efficacy of combining pirtobrutinib, lisaftoclax, and rituximab (PVR) in patients with relapsed or refractory diffuse large B-cell lymphoma (DLBCL) who have received at least one prior line of systemic therapy and to explore a more effective treatment strategy for this patient population.