Dasatinib plus Peg-Interferon alpha 2b combination in newly diagnosed chronic phase chronic myeloid leukaemia: Results of a multicenter phase 2 study (DASA-PegIFN study).

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Date publication

octobre 2022

Journal

British journal of haematology

Auteurs

Membres identifiés du Cancéropôle Est :
Dr GUERCI-BRESLER Agnès, Dr AME Shanti


Tous les auteurs :
Roy L, Chomel JC, Guilhot J, Guerci-Bresler A, Escoffre-Barbe M, Giraudier S, Charbonnier A, Dubruille V, Huguet F, Johnson-Ansah H, Lenain P, Ame S, Etienne G, Nicolini FE, Rea D, Cony-Makhoul P, Courby S, Ianotto JC, Legros L, Machet A, Coiteux V, Hermet E, Cayssials E, Bouchet S, Mahon FX, Rousselot P, Guilhot F,

Résumé

Superior rates of deep molecular response (DMR) have been reported with the combination of tyrosine kinase inhibitors and pegylated-interferon-alpha (Peg-IFN) in patients with newly diagnosed chronic phase-chronic myeloid leukaemia (CP-CML). In this setting, this study investigated the efficacy and safety of dasatinib combined to Peg-IFN-α2b (Dasa-PegIFN, NCT01872442). A total of 79 patients (age ≤65 years) started dasatinib; 61 were eligible for Peg-IFNα-2b add-on therapy at month 3 for a maximum 21-months duration. Dasatinib was continued thereafter. The primary endpoint was the cumulative rate of molecular response 4.5 log (MR ) by 12 months. The results are reported for the 5-year duration of the study. Grade 3 neutropenia was frequent with the combination but did not induce severe infection (one of grade 3). Other adverse events were generally low grade (4% of grade 3-4) and expected. Seventy-nine per cent and 61% of patients continued the Peg-IFN until months 12 and 24, respectively. Overall, at these time points, MR rates were 25% and 38%, respectively. Thereafter, 32% and 46% of patients achieved a sustained (≥2 years) MR or MR , respectively. This work established the feasibility and high rates of achievement of early and sustained DMR (a prerequisite for treatment-free-remission) with dasatinib and Peg-IFNα-2b combination as initial therapy.

Mots clés

chronic myeloid leukaemia, clinical trial, deep molecular response, pegylated-interferon, tyrosine kinase inhibitor

Référence

Br J Haematol. 2022 10 10;: