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Br J Haematol. 2011 Oct;155(2):182-9. doi: 10.1111/j.1365-2141.2011.08831.x. Epub 2011 Aug 18.

Clofarabine with high dose cytarabine and granulocyte colony-stimulating factor (G-CSF) priming for relapsed and refractory acute myeloid leukaemia.

Author information

1
Division of Hematology and Medical Oncology, University of Washington, Seattle, WA 98109, USA. pbecker@u.washington.edu

Abstract

This phase I/II study was conducted to determine the maximum tolerated dose, toxicity, and efficacy of clofarabine in combination with high dose cytarabine and granulocyte colony-stimulating factor (G-CSF) priming (GCLAC), in the treatment of patients with relapsed or refractory acute myeloid leukaemia (AML). Dose escalation of clofarabine occurred without dose-limiting toxicity, so most patients were treated at the maximum dose, 25 mg/m(2) per day with cytarabine 2 g/m(2) per day, each for 5 d, and G-CSF 5 μg/kg, beginning the day before chemotherapy and continuing daily until neutrophil recovery. The complete remission (CR) rate among the 46 evaluable patients was 46% (95% confidence interval [CI] 31-61%) and the CR + CR but with a platelet count <100 × 10(9)/l rate was 61% (95% CI 45-75%). Multivariate analysis showed that responses to GCLAC were independent of age, cytogenetic risk category, and number of prior salvage regimens. GCLAC is highly active in relapsed and refractory AML and warrants prospective comparison to other regimens, as well as study in untreated patients.

PMID:
21848522
PMCID:
PMC4834701
DOI:
10.1111/j.1365-2141.2011.08831.x
[Indexed for MEDLINE]
Free PMC Article

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