• Bulletin du cancer · Jun 2015

    Review

    [Ibrutinib: A new drug of B-cell malignancies].

    • Catherine Thieblemont.
    • Service d'hémato-oncologie, Hôpital Saint-Louis (AP-HP), Université Paris Diderot, Sorbonne Paris Cité, Paris, France. Electronic address: catherine.thieblemont@sls.aphp.fr.
    • Bull Cancer. 2015 Jun 1;102(6 Suppl 1):S85-90.

    AbstractIbrutinib (Imbruvica®) is a first-in-class, orally administered once-daily, that inhibits B-cell antigen receptor signaling downstream of Bruton's tyrosine kinase (BTK). Ibrutinib has been approved in USA in February 2014 and in France in October 2014 for the treatment of patients with relapsed/refractory mantle cell lymphoma (MCL) or chronic lymphocytic leukaemia (CLL) and for the treatment of patients with CLL and a chromosome 17 deletion (del 17p) or TP53 mutation. In clinical studies, ibrutinib induced an impressive overall response rate (68%) in patients with relapsed/refractory MCL (phase II study). In CLL, ibrutinib has shown to significantly improve progression-free survival, response rate and overall survival in patients with relapsed/refractory CLL, including in those with del 17p. Ibrutinib had an acceptable tolerability profile. Less than 10% of patients discontinued their treatment because of adverse events. Results are pending in other B-cell lymphomas subtypes such as in diffuse large B-cell lymphoma and in follicular lymphoma. An approval extension has already been enregistered for Waldenström disease in USA in January 2015. Given its efficacy and tolerability, ibrutinib is an emerging treatment option for patients with B-cell malignancies.Copyright © 2015 Société Françise du Cancer. Publié par Elsevier Masson SAS. Tous droits réservés. Published by Elsevier Masson SAS. All rights reserved.

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