A Single-arm, Single-center, Open-label Phase II Study of Zanubrutinib Combined With R-CHOP/R-DHAP in Newly Diagnosed Mantle CellLymphoma Patients

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Zanubrutinib and RCHOP/RDHAP — DRUG
Alternating 3× R-CHOP/ 3× R-DHAOx, every 21 days plus oral Zanubrutinib in cycle 1, 3, 5 in combination with R-CHOP: R-CHOP (cycle 1,3,5): Rituximab 375 mg/m2 D1, I.V. Cyclophosphamide 750 mg/m2 D1, I.V. Doxorubicine 50 mg/m2 D1, I.V. Vincristine 1.4mg/m2(max 2mg)D1, I.V. Prednisone 100mg D1-5, oral Zanubrutinib 160mg BID D1-21, oral R-DHAP(cycle 2,4,6): Dexamethasone 40mg D1-4 oral/I.V. Rituximab 375mg/m2 D1, I.V. Ara-C 2×2g/m2 q12h D2, I.V. Cisplatin 100mg/m2 D1, I.V. Maintenance: Zanubrutinib, 160mg PO BID, rituximab 375mg/m2 repeated every 8 weeks, treatment will continue for up to 2 years or until progressive disease。

Evaluation the efficacy and safety of Zanubrutinib + R-CHOP/R-DHAP for the treatment mantle cell lymphoma.

Experimental: Zanubrutinib and RCHOP/RDHAP
Patients will receive zanubrutinib and RCHOP alternating with RDHAP for a total of 6 cycles of induction therapy, and patients who achieve complete response after 6 cycles of induction therapy will be eligible to enter a 2-year maintenance treatment period of zanubrutinib in combination with rituximab

CR rate after 6 cycles of induction therapy [ Time Frame: 18 weeks ]