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Key clinical point: Long-term zanubrutinib monotherapy continued to yield high response and survival rates in patients with relapsed or refractory chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) without compromising safety.
Major finding: At a median follow-up of 34 months, the overall response rate was 87.9% (95% CI 79.4%-93.8%). The median progression-free survival (PFS) or overall survival (OS) was not reached; the estimated PFS event-free and OS rates at 30 months were 75.7% (95% CI 65.2%-83.4%) and 88.6% (95% CI 79.8%-93.7%), respectively. No new safety signals were identified.
Study details: This long-term follow-up analysis of a phase 2 study included 91 patients with CLL/SLL who relapsed after or were refractory to ≥1 prior line of therapy and received 160 mg oral zanubrutinib twice daily.
Disclosures: The phase 2 study was sponsored by BeiGene (Beijing) Co., Ltd., China, and BeiGene USA, Inc., USA. Some authors declared being employees of and holding stocks in BeiGene.
Source: Xu W et al. Zanubrutinib in patients with relapsed/refractory chronic lymphocytic leukemia/small lymphocytic lymphoma: Final results and correlative analysis of lymphocytosis. Leuk Lymphoma. 2023;1-5 (Feb 17). Doi: 10.1080/10428194.2022.2164692
Key clinical point: Long-term zanubrutinib monotherapy continued to yield high response and survival rates in patients with relapsed or refractory chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) without compromising safety.
Major finding: At a median follow-up of 34 months, the overall response rate was 87.9% (95% CI 79.4%-93.8%). The median progression-free survival (PFS) or overall survival (OS) was not reached; the estimated PFS event-free and OS rates at 30 months were 75.7% (95% CI 65.2%-83.4%) and 88.6% (95% CI 79.8%-93.7%), respectively. No new safety signals were identified.
Study details: This long-term follow-up analysis of a phase 2 study included 91 patients with CLL/SLL who relapsed after or were refractory to ≥1 prior line of therapy and received 160 mg oral zanubrutinib twice daily.
Disclosures: The phase 2 study was sponsored by BeiGene (Beijing) Co., Ltd., China, and BeiGene USA, Inc., USA. Some authors declared being employees of and holding stocks in BeiGene.
Source: Xu W et al. Zanubrutinib in patients with relapsed/refractory chronic lymphocytic leukemia/small lymphocytic lymphoma: Final results and correlative analysis of lymphocytosis. Leuk Lymphoma. 2023;1-5 (Feb 17). Doi: 10.1080/10428194.2022.2164692
Key clinical point: Long-term zanubrutinib monotherapy continued to yield high response and survival rates in patients with relapsed or refractory chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) without compromising safety.
Major finding: At a median follow-up of 34 months, the overall response rate was 87.9% (95% CI 79.4%-93.8%). The median progression-free survival (PFS) or overall survival (OS) was not reached; the estimated PFS event-free and OS rates at 30 months were 75.7% (95% CI 65.2%-83.4%) and 88.6% (95% CI 79.8%-93.7%), respectively. No new safety signals were identified.
Study details: This long-term follow-up analysis of a phase 2 study included 91 patients with CLL/SLL who relapsed after or were refractory to ≥1 prior line of therapy and received 160 mg oral zanubrutinib twice daily.
Disclosures: The phase 2 study was sponsored by BeiGene (Beijing) Co., Ltd., China, and BeiGene USA, Inc., USA. Some authors declared being employees of and holding stocks in BeiGene.
Source: Xu W et al. Zanubrutinib in patients with relapsed/refractory chronic lymphocytic leukemia/small lymphocytic lymphoma: Final results and correlative analysis of lymphocytosis. Leuk Lymphoma. 2023;1-5 (Feb 17). Doi: 10.1080/10428194.2022.2164692