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  • Title: Idarubicin for remission induction of acute myeloid leukemia: United Kingdom multicenter experience.
    Author: Rassam SM, Turker A, Powles RL, Smith AG, Newland AC, Erskine JG, Pearce RM, Goldstone AH.
    Journal: Semin Oncol; 1993 Dec; 20(6 Suppl 8):13-9. PubMed ID: 8290967.
    Abstract:
    Ninety-eight adult patients with acute myeloid leukemia were given variable remission induction/consolidation regimens containing idarubicin. Sixty-nine (70%) were new cases (median age, 56 years) and 29 (30%) were in relapse (n = 24) or had primary refractory disease (n = 5) (median age, 46 years). Complete remission (CR) rates were 57% (39 of 69 patients) of the newly diagnosed patients, with no difference for those below or above 55 years of age (56% v 59%) or for patients exhibiting white blood cell counts of less or more than 50 x 10(9)/L (52% v 69%; P = .8). Of the 39 patients who achieved CR, 26 (67%, 38% of the total number of patients) remain in CR with a median follow-up of 3 months (range, 0 to 61 months). Forty-two percent of the relapsed cases (10 of 24 patients) and 60% of the primary refractory disease cases (three of five patients) achieved CR. Of these 13 responders, six are alive (three continuing in CR and three relapsed) with a median follow-up of 3 months (range, 1 to 20 months), and seven have died with a median survival of 7 months (range, 0 to 12 months). Of the 52 patients who have achieved CR, 84% did so with one course of treatment and 16% with two courses. The presence of normal cytogenetic analysis or favorable chromosomal aberrations significantly improved overall CR rates. The patients in this study had significantly more unfavorable cytogenetic abnormalities than the historic controls. Reported toxicity was hepatic in 13%, cardiac in 9%, and renal in 7% of all cases. These data suggest a comparable efficacy of idarubicin to other anthracyclines in remission induction of acute myeloid leukemia, with a promising role in relapsed/refractory disease.
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