Jan 31, 2020

Emerging bruton tyrosine kinase inhibitors for chronic lymphocytic leukaemia: one step ahead ibrutinib

Expert Opinion on Emerging Drugs
Stefano MolicaLuciano Levato


Introduction: In the last few years, the expansion of therapy with pathway inhibitors has revolutionized the treatment landscape of chronic lymphocytic leukemia (CLL). As a matter of fact, ibrutinib, the first-in-class Bruton tyrosine kinase (BTK) inhibitor, became a milestone in the treatment of both naïve or relapsed/refractory CLL patients. Most patients treated with such an agent achieve durable clinical response; however, a deeper response is rarely reached and continuous treatment is required. Since ibrutinib-resistant CLL clones can develop in about 20% of patients and toxicities, leading to drug discontinuation, occur in about 30% of patients treated with ibrutinib, several new BTK inhibitors have been developed in order to lower off-target effects and overcome ibrutinib resistance.Areas covered: In this review, we summarize the main English publications exploring efficacy and side effects of first and next-generation BTK inhibitors. Results of clinical trials evaluating these novel agents are presented and critically discussed.Expert opinion: Efforts in the development of highly specific second-generation BTK inhibitors and combination strategies provide challenging options to overcome limitations of therapy with ibrut...Continue Reading

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Mentioned in this Paper

Continuity of Patient Care
Discontinuation (Procedure)
Massively-Parallel Sequencing
Cell Growth
Clonal Evolution

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