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  • Title: Post-remission intensive consolidation with high-dose cytarabine-based chemotherapy and granulocyte colony-stimulatory factor in adults with acute myelogenous leukemia: a preliminary report.
    Author: Hsu HC, Chiu CF, Tan TD, Chau WK, Tseng CS, Ho CH.
    Journal: Zhonghua Yi Xue Za Zhi (Taipei); 1995 Nov; 56(5):305-11. PubMed ID: 8605644.
    Abstract:
    BACKGROUND: Modern induction chemotherapy produce 60% to 80% complete remission in adults with newly diagnosed acute myelogenous leukemia (AML). A major challenge is to eradicate subclinical disease in remission and prevent leukemic relapse. Intensive post-remission chemotherapy was proved of comparable disease-free survival as BMT. METHODS: From February 1992 to to March 1995, twelve patients with AML, aged 15 to 57 y/o, received intensive consolidation chemotherapy immediately after the first complete remission. The chemotherapy included either 4 courses of high dose Arac (HiDAC), 3 gm/m2 q12h x3 days, or 2 courses of HiDAC (4 days) plus mitoxantrone for 3 days and etoposide for 7 days (HiDAC-3-7). Granulocyte colony-stimulating factor (G-CSF) used used 24 hours after chemotherapy until absolute neutrophile count greater than 500/mm3. RESULTS: Totally 24 courses of high dose chemotherapy were given. The median duration of severe neutropenia (absolute neutrophile count < or = 500/mm3) was 12 days, thrombocytopenia (< or = 50,000/mm3) 18 days, fever > or = 38 degrees C 6 days, and from severe neutropenia (absolute neutrophile count < or = 500/mm3) was 12 days, thrombocytopenia (< or = 50,000/mm3) 18 days, fever > or = 38 degrees C 6 days, and from severe neutropenia (< or = 500/mm3) to infection 4 days. Infection was the most frequent complication during HiDAC treatment. No toxic death was noted. After a median follow-up of 16 months, early relapse was noted in 3 patients (2, 4, and 5 months, respectively), and late relapse in two patients (11 and 20 months, respectively). Seven patients remained in complete remission status after a median follow-up of 14+ months (7+ to 37+ months). CONCLUSIONS: Intensive consolidation chemotherapy is well tolerable and may prolong remission duration when used in the early post-remission phase of AML.
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