Adherence, persistence and efficacy of dasatinib and nilotinib in the treatment of patients resistant or intolerant to imatinib with chronic myeloid leukemia in chronic phase: an Italian multicenter study over two years in real life

Fiorenzo Santoleri, Elena Ranucci, Gaetano La Barba, Irene Colasanto, Matilde Scaldaferri, Francesco Cattel, Francesca Federici, Chiara Rossi, Katiuscia Di Biagio, Anna Rita Scortechini, Felice Musicco, Giancarlo Torquati, Angela Frazzetto, Antonietta Vozza, Caterina de Rosa, Rosaria Lanzillo, Maria Monteverde, Luigia Luciano, Fabrizio Pane, Arianna PasquaziMaria Grazia Celeste, Maria Cantonetti, Luca Franceschini, Manuela Rizzo, Alberto Costantini

Research output: Contribution to journalArticlepeer-review

Abstract

Background: The use of dasatinib and nilotinib in the treatment of patients with chronic myeloid leukemia represents a valid therapeutic option for patients resistant or intolerant to imatinib. In this multicentre study, adherence, persistence and efficacy in real life over two years of treatment were evaluated. Materials and methods: Adherence to treatment was calculated as the ratio between the dose received and the prescribed dose. The dose received was calculated using pharmacy refill data. The persistence with treatment was calculated as the difference between the end and the beginning of the treatment. Efficacy was assigned as Progression-Free Survival (PFS) and Events-Free Survival (EFS) and represented through the Kaplan-Meier curve. Results: The number of patients analysed was 117, 70 treated with dasatinib and 47 with nilotinib. Adherence to treatment for dasatinib and nilotinib at two years was 0.91 and 0.82 respectively. Persistence at two years was 77% while the PFS was 92% for both drugs in the study. Conclusion: Adherence to the treatment calculated over two years showed a superiority of dasatinib over nilotinib. Nevertheless, the efficacy in terms of PFS and EFS is superimposable between the two drugs in the study.

Original languageEnglish
JournalCurrent Medical Research and Opinion
DOIs
Publication statusAccepted/In press - 2021

Keywords

  • chronic myeloid leukaemia
  • Dasatinib
  • drug used study
  • effectiveness
  • medication adherence
  • nilotinib
  • persistence

ASJC Scopus subject areas

  • Medicine(all)

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