High-dose mercaptopurine followed by intermediate-dose cytarabine in relapsed acute leukemia.

作者: S Lockhart , W Plunkett , S Jeha , I Ramirez , T Zipf

DOI: 10.1200/JCO.1994.12.3.587

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摘要: PURPOSEThis phase I/II study was designed to explore the feasibility, toxicity, and potential efficacy of administering high-dose continuous intravenous mercaptopurine (6MP) followed by intermediate-dose cytarabine (Ara-C) children with relapsed or unresponsive acute leukemia.PATIENTS AND METHODSTwenty-three leukemia (13 myeloid, 10 lymphoid) were entered onto study. After initial hydration alkalinization, 1,000 1,250 mg/m2 6MP administered infusion over 24 hours. Following another period hydration, 500 Ara-C daily for 4 days. In 17 children, plasma concentrations measured at hours 4, 24, 27 infusions. Plasma 8, 48, 72, 96 Intracellular triphosphate (Ara-CTP) in peripheral-blood cel...

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