Bruton tyrosine kinase inhibitors for the treatment of mantle cell lymphoma: review of current evidence and future directions.

Bruton tyrosine kinase inhibitors for the treatment of mantle cell lymphoma: review of current evidence and future directions. Clin Adv Hematol Oncol. 2019 Apr;17(4):223-233 Authors: Bond DA, Alinari L, Maddocks K Abstract Mantle cell lymphoma (MCL) is a heterogeneous and uncommon non-Hodgkin lymphoma that affects predominantly older patients and often is associated with an aggressive clinical course. MCL relies upon B-cell receptor signaling through Bruton tyrosine kinase (BTK); therefore, the development of the BTK inhibitors ibrutinib and acalabrutinib represents a therapeutic breakthrough. In this review, we provide a summary of the efficacy and safety data from the landmark trials of single-agent ibrutinib and acalabrutinib that led to US Food and Drug Administration approval of these agents for patients with relapsed or refractory MCL. Toxicities of interest observed with ibrutinib include bleeding, atrial fibrillation, and increased risk for infection. The selectivity of acalabrutinib for BTK is greater than that of ibrutinib, which mitigates the risk for certain off-target toxicities, including atrial fibrillation; however, these toxicities, along with frequent headaches, still occur. Ongoing clinical trials are investigating both alternate BTK inhibitors and BTK inhibitors in combination with chemo-immunotherapy or other targeted agents in an effort to enhance the depth and duration of response. Trials to evaluate the use of these agents in the f...
Source: Clinical Advances in Hematology and Oncology - Category: Cancer & Oncology Tags: Clin Adv Hematol Oncol Source Type: research

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