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Abstract
Introduction: Ibrutinib, a targeted inhibitor of B-cell receptor signaling, achieved impressive clinical results for patients with chronic lymphocytic leukemia (CLL). These results allowed the approval of ibrutinib for the treatment of patients with CLL who have received at least one prior therapy and those with a 17p deletion regardless of line of therapy.
Areas covered: Comprehensive data from either Phase I-II or randomized Phase III studies are analyzed in this article. In addition, we reviewed data on the prevalence and the clinical management of some peculiar toxicities ibrutinib related such as lymphocytosis, major bleeding and atrial fibrillation.
Expert opinion: Ibrutinib has radically changed the scenery of relapsed/refractory CLL treatment and established an important paradigm in the molecularly targeted approach of this disease. Discontinuation of ibrutinib is rarely due to adverse events related to the drug. Patients who discontinue treatment represent a challenge to the physicians because treatment options are very limited.
Declaration of interest
The author has no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.