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Revista Cubana de Hematología, Inmunología y Hemoterapia

versión impresa ISSN 0864-0289


ESPINOSA MARTINEZ, Edgardo et al. Some clinical and laboratory variables in adult patients with chronic myeloid leukemia treated with recombinant alpha interferon + cytosine arabinoside. Rev Cubana Hematol Inmunol Hemoter [online]. 2011, vol.27, n.4, pp.389-406. ISSN 0864-0289.

Chronic myeloid leukemia is the most frequent myeloproliferative syndrome in adults. In a longitudinal retrospective study performed between January 1985 - December 2009, 46 patients in chronic phase diagnosed at the Institute of Hematology and Immunology were evaluated. They received cytoreductor agent as first treatment followed by interferon ?2 + cytosar. Forty one percent showed high risk Sokal prognosis score. The most frequent clinical manifestations at diagnosis were asthenia (37 %), splenomegaly (31 %) and weigh lost (28.3 %). The partial and complete hematological response was of 26,8 % and 65.9 % after 6 months and the complete cytogenetic and molecular response was of 9.1 % and 16.3 %. The most frequent adverse reactions were: fever (34.9 %), thrombocytopenia (26.3 %) and general syndrome (23.8 %). Resistance or intolerance to INF?2 was found in 47.8 % of the patients and 90.0 % died due to progression of the disease. The 5 year overall survival was of 63.8 % and the 3 years free event survival was of 68.9 %. According to Sokal prognosis score the overall survival showed significant difference between groups (p= 0.005) but there was no significant difference for free event survival (p= 0.165). The INF?2 treatment in our patients showed better results than those obtained in different developed countries and is an effective therapeutic option in Cuba.

Palabras clave : Chronic myeloid leukemia; recombinant interferon; cytosine arabinoside.

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