Extended Treatment with Single-Agent Ibrutinib at the 420 mg Dose Leads to Durable Responses in Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma.

Coutré SE, Furman RR, Flinn IW, Burger JA, Blum K, Sharman J, Jones J, Wierda W, Zhao W, Heerema NA, Johnson AJ, Tran A, Zhou C, Bilotti E, James DF, Byrd JC, O'Brien S
Clin Cancer Res 23 1149-1155 03/01/2017

Abstract

Ibrutinib, a first-in-class, once-daily, oral inhibitor of Bruton tyrosine kinase, promotes apoptosis, and inhibits B-cell proliferation, adhesion, and migration. Ibrutinib has demonstrated single-agent efficacy and acceptable tolerability at doses of 420 and 840 mg in patients with chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) who were treatment-naïve (TN) or had relapsed/refractory (R/R) CLL after ≥1 prior therapy in a phase Ib/II study (PCYC-1102). Subsequently, the ibrutinib 420 mg dose was approved in CLL.

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