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  • Title: A novel effective and safe consolidation for patients over 60 years with acute myeloid leukemia: intermediate dose cytarabine (2 x 1 g/m2 on days 1, 3, and 5).
    Author: Sperr WR, Piribauer M, Wimazal F, Fonatsch C, Thalhammer-Scherrer R, Schwarzinger I, Geissler K, Knöbl P, Jäger U, Lechner K, Valent P.
    Journal: Clin Cancer Res; 2004 Jun 15; 10(12 Pt 1):3965-71. PubMed ID: 15217926.
    Abstract:
    PURPOSE: High-dose intermittent cytarabine is an effective postremission treatment for patients with acute myeloid leukemia (AML). This regimen is a safe approach in patients < 60 years but produced severe neurotoxicity in the elderly. EXPERIMENTAL DESIGN: We have established a dose-reduced age-adapted consolidation using intermediate dose (IDAC; 2 x 1 g/m(2) i.v., days 1, 3, and 5) for AML patients >/= 60 years. Forty-seven de novo AML patients in complete remission (CR; median age, 70 years) were scheduled to receive four consolidation cycles of IDAC. RESULTS: In 25 of 47 patients (53%), all four cycles were administered: 9 (19%) received three cycles; 7 (15%) received two cycles; and 6 patients (12%) one cycle. Treatment was well tolerated without neurotoxicity. The median number of days with severe neutropenia (absolute neutrophil count < 500/microl) was 9. Neutropenic fever occurred in 22 of 47 patients (49%) during the first cycle, in 24 of 41 (60%) during the second, in 15 of 34 (44%) during the third, and in 18 of 25 (72%) during the fourth cycle. Only 1 patient died during consolidation (cardiac failure). The median overall survival, disease-free survival, and continuous CR were 10.6, 15.5, and 15.9 months, respectively. The probability of overall survival, disease-free survival, and continuous CR at 5 years were 18, 22, and 30%, respectively. CONCLUSIONS: IDAC is a safe and effective postremission therapy for elderly patients with AML.
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