Deferasirox for transfusion‐dependent patients with myelodysplastic syndromes: safety, efficacy, and beyond (<scp>GIMEMA MDS</scp>0306 <scp>T</scp>rial)

  • Emanuele Angelucci
    Hematology and Bone Marrow Transplantation Unit Ospedale Oncologico di Riferimento Regionale “Armando Businco” Cagliari Italy
  • Valeria Santini
    Division of Hematology University of Florence Florence Italy
  • Anna Angela Di Tucci
    Hematology and Bone Marrow Transplantation Unit Ospedale Oncologico di Riferimento Regionale “Armando Businco” Cagliari Italy
  • Giulia Quaresmini
    Hematology and Bone Marrow Transplant Unit Azienda Ospedaliera Papa Giovanni XXIII Bergamo Italy
  • Carlo Finelli
    Division of Hematology Policlinico S. Orsola‐Malpighi Bologna Italy
  • Antonio Volpe
    Division of Hematology San Giuseppe Moscati Hospital Avellino Italy
  • Giovanni Quarta
    Division of Hematology Ospedale A. Perrino Brindisi Italy
  • Flavia Rivellini
    UO Medicina Interna e Onco‐Ematologica P.O. “Umberto I” Nocera Inferiore Italy
  • Grazia Sanpaolo
    Division of Hematology IRCCS “Casa Sollievo della Sofferenza” San Giovanni Rotondo Italy
  • Daniela Cilloni
    Department of Clinical and Biological Sciences University of Turin Turin Italy
  • Flavia Salvi
    Division of Hematology A.O. Nazionale Santi Antonio e Biagio e C. Arrigo Alessandria Italy
  • Giovanni Caocci
    Bone Marrow Transplantation Center R. Binaghi Hospital Cagliari Italy
  • Alfredo Molteni
    Division of Hematology Niguarda Ca’ Granda Hospital Milan Italy
  • Daniele Vallisa
    Division of Medical Oncology and Hematology Hospital of Piacenza Piacenza Italy
  • Maria Teresa Voso
    Division of Hematology Università Cattolica del Sacro Cuore Rome Italy
  • Susanna Fenu
    Division of Hematology San Giovanni Hospital Rome Italy
  • Lorenza Borin
    Division of Hematology Monza Italy
  • Giancarlo Latte
    Division of Hematology S. Francesco Hospital Nuoro Italy
  • Giuliana Alimena
    Division of Hematology “Sapienza”University of Rome Rome Italy
  • Sergio Storti
    Division of Hematology and Medical Oncology Campobasso University Campobasso Italy
  • Alfonso Piciocchi
    GIMEMA Data Center GIMEMA Foundation Rome Italy
  • Paola Fazi
    GIMEMA Data Center GIMEMA Foundation Rome Italy
  • Marco Vignetti
    GIMEMA Data Center GIMEMA Foundation Rome Italy
  • Sante Tura
    University of Bologna Bologna Italy

抄録

<jats:title>Abstract</jats:title><jats:sec><jats:title>Background</jats:title><jats:p>In the absence of randomized, controlled trial data to support iron chelation therapy in transfusion‐dependent patients with myelodysplastic syndromes (<jats:styled-content style="fixed-case">MDS</jats:styled-content>), continued evidence from large prospective clinical trials evaluating the efficacy and safety of iron chelation therapy in this patient population is warranted.</jats:p></jats:sec><jats:sec><jats:title>Methods</jats:title><jats:p>The safety and efficacy of deferasirox was examined in a prospective, open‐label, single‐arm, multicenter trial of transfusion‐dependent patients with International Prognostic Scoring System low‐ or intermediate‐1‐risk <jats:styled-content style="fixed-case">MDS</jats:styled-content> and evidence of transfusion‐related iron overload. The effects of deferasirox therapy on hematological response and disease progression were also examined.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>Of 159 participants enrolled from 37 Italian centers, 152 received ≥1 dose of deferasirox (initiated at 10–20 mg/kg/day and titrated as appropriate), and 68 completed the study. Of 84 patients who discontinued deferasirox therapy, 22 died during the trial, and 28 withdrew due to an adverse event (<jats:styled-content style="fixed-case">AE</jats:styled-content>). Fourteen treatment‐related grade 3 <jats:styled-content style="fixed-case">AE</jats:styled-content>s occurred in 11 patients, whereas no grade 4 or 5 drug‐related <jats:styled-content style="fixed-case">AE</jats:styled-content>s were reported. Significant risks for dropout were a higher serum ferritin level at baseline, a higher <jats:styled-content style="fixed-case">MDS</jats:styled-content>‐Specific Comorbidity Index, and a shorter diagnosis–enrollment interval. Median serum ferritin level fell from 1966 ng/mL to 1475 ng/mL (<jats:italic>P</jats:italic> < 0.0001). The cumulative incidence of transfusion independence, adjusted for death and disease progression, was 2.6%, 12.3%, and 15.5% after 6, 9, and 12 months, respectively.</jats:p></jats:sec><jats:sec><jats:title>Conclusions</jats:title><jats:p>Deferasirox therapy in transfusion‐dependent patients with <jats:styled-content style="fixed-case">MDS</jats:styled-content> was moderately well tolerated and effectively lowered serum ferritin levels. Positive hematological responses were observed, and a subset of patients achieved transfusion independence.</jats:p></jats:sec>

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