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Treatment with lenalidomide does not appear to increase the risk of progression in lower risk myelodysplastic syndromes with 5q deletion. A comparative analysis by the Groupe Francophone des Myelodysplasies.
Haematologica ; 97(2): 213-8, 2012 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-21993675
ABSTRACT

BACKGROUND:

Although lenalidomide is very effective in the treatment of anemia of lower risk myelodysplastic syndromes with 5q deletion (del 5q), concerns have been raised over the fact that this drug could trigger progression to acute myeloid leukemia in some patients.

DESIGN AND METHODS:

Ninety-five transfusion-dependent patients with lower risk myelodysplastic syndromes with del 5q were treated with lenalidomide (10 mg/day, for 3 weeks every 4 weeks); six (6.3%) of the patients progressed to acute myeloid leukemia. This cohort of 95 lenalidomide-treated patients was compared to a historical control cohort of 99 patients with lower risk myelodysplastic syndromes with del 5q who never received lenalidomide, using a propensity score approach that can control for potential confounders in non-randomized comparisons.

RESULTS:

The 4-year estimated cumulative incidence of leukemia was 9% in patients treated with lenalidomide and 15.8% in controls who did not receive lenalidomide (P=0.16).

CONCLUSIONS:

Using a propensity score approach, we found no significant difference in acute myeloid leukemia progression and survival from diagnosis between the cohort treated with lenalidomide and the control cohort.
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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Talidomida / Síndromes Mielodisplásicas / Cromossomos Humanos Par 5 / Deleção Cromossômica / Progressão da Doença Tipo de estudo: Estudo de coorte Aspecto clínico: Etiologia / Terapia Limite: Adulto / Idoso / Feminino / Humanos / Masculino / Meia-Idade País/Região como assunto: Europa Idioma: Inglês Revista: Haematologica Ano de publicação: 2012 Tipo de documento: Artigo País de afiliação: França