Zanubrutinib monotherapy in relapsed/refractory mantle cell lymphoma: a pooled analysis of two clinical trials

Keshu Zhou, Dehui Zou, Jianfeng Zhou, Jianda Hu, Haiyan Yang, Huilai Zhang, Jie Ji, Wei Xu, Jie Jin, Fangfang Lv, Ru Feng, Sujun Gao, Daobin Zhou, Constantine S. Tam, David Simpson, Michael Wang, Tycel J. Phillips, Stephen Opat, Zhiyue Huang, Huafei LuYuqin Song, Yongping Song

Research output: Contribution to journalLetterpeer-review

25 Scopus citations

Abstract

Mantle cell lymphoma (MCL) is a mature B-cell neoplasm with a high initial response rate followed almost invariably by relapse. Here we report the pooled data from 2 studies, BGB-3111-AU-003 and BGB-3111-206, to explore the efficacy of zanubrutinib monotherapy in relapsed/refractory (R/R) MCL. A total of 112 patients were included. Median follow-up durations were 24.7 and 24.9 months for BGB-3111-AU-003 and BGB-3111-206, respectively. Overall response rate (ORR) and complete response (CR) rate were 84.8% and 62.5%, and median duration of response, progression-free survival (PFS) and overall survival (OS) were 24.9, 25.8 and 38.2 months, respectively. After weighting, the PFS (median: NE vs. 21.1 months, P = 0.235) and OS (median: NE vs. 38.2 months, P = 0.057) were similar but numerically better in the second-line than later-line group. Zanubrutinib was well-tolerated with treatment discontinuation and dose reduction for adverse events in 12.5% and 2.7% of patients, respectively. Hypertension, major hemorrhage and atrial fibrillation/flutter rates were 11.6%, 5.4% and 1.8%, respectively. Zanubrutinib is efficacious in R/R MCL, with a favorable safety profile.

Original languageEnglish (US)
Article number167
JournalJournal of Hematology and Oncology
Volume14
Issue number1
DOIs
StatePublished - Dec 2021

Keywords

  • Complete response rate
  • Mantle cell lymphoma
  • Progression-free survival
  • Second-line therapy
  • Zanubrutinib

ASJC Scopus subject areas

  • Hematology
  • Molecular Biology
  • Oncology
  • Cancer Research

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