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Patient-reported outcomes of deferasirox (Exjade, ICL670) versus deferoxamine in sickle cell disease patients with transfusional hemosiderosis. Substudy of a randomized open-label phase II trial.

Author(s): Vichinsky E, Pakbaz Z, Onyekwere O, Porter J, Swerdlow P, Coates T, Lane P, Files B, Mueller BU, Coic L, Forni GL, Fischer R, Marks P, Rofail D, Abetz L, Baladi JF

Affiliation(s): Children's Hospital and Research Center, Oakland, CA 94609, USA. evichinsky@mail.cho.org

Publication date & source: 2008, Acta Haematol., 119(3):133-41. Epub 2008 Apr 11.

Publication type: Clinical Trial, Phase II; Comparative Study; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't

BACKGROUND/AIMS: There is increasing evidence demonstrating the value of transfusions in sickle cell disease (SCD). However, resultant iron overload can be life threatening if untreated. Chelation therapy with deferoxamine requires parenteral infusions that can negatively impact quality of life and adherence to treatment. METHODS: As part of a phase II trial, SCD patient-reported outcomes were evaluated. One hundred and ninety-five patients were randomized (2:1) to receive oral deferasirox (5-30 mg/kg/day) or deferoxamine (20-50 mg/kg, 5 days per week); 121 had previously received deferoxamine. RESULTS: At each time point, significantly more patients who had previously received deferoxamine were 'satisfied/very satisfied' with deferasirox, or found treatment to be 'convenient/very convenient' compared with deferoxamine (p < 0.001). In these patients, fewer hours were lost from daily activities with deferasirox than deferoxamine treatment. Most patients (77%) preferred deferasirox, and more were willing to continue taking deferasirox than deferoxamine at end-of-study (84 vs. 11%, respectively). CONCLUSIONS: Patients with SCD are therefore more satisfied with deferasirox, which has a lower impact on daily activities than deferoxamine. Given the high levels of satisfaction, it is likely that quality of life will be improved. These results also suggest that treatment adherence with deferasirox may be better than with deferoxamine, which should lead to improved long-term outcomes. 2008 S. Karger AG, Basel.

Page last updated: 2008-08-11

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