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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Human granulocyte colony-stimulating factor in children with high-risk acute lymphoblastic leukemia: a Children's Cancer Group Study.

PURPOSE: To investigate the effect of granulocyte colony-stimulating factor (G-CSF) on hematopoietic toxicities, supportive care requirements, time to complete intensive therapy, and event-free survival (EFS) and overall survival (OS) in children with high-risk acute lymphoblastic leukemia (HR-ALL). PATIENTS AND METHODS: A total of 287 children with HR-ALL were randomly assigned to intensive chemotherapy regimens (New York I [NY I] or NY II) as part of the Children's Cancer Group (CCG)-1901 protocol. The induction phases consisted of five drugs (vincristine, prednisone, l-asparaginase, daunorubicin, and cyclophosphamide). Initial consolidation comprised six-agent chemotherapy combined with 18 Gy of total-brain irradiation. Patients were randomly assigned to receive G-CSF (5 microg/kg/day) during either induction or initial consolidation. A crossover study analysis was done on the 259 patients who completed both phases of therapy. RESULTS: The mean time to neutrophil recovery (>/= 0.5 x 109/L) was reduced with G-CSF (16.7 v 19.1 days, P =.0003); however, patients who received G-CSF did not have significantly reduced episodes of febrile neutropenia (149 v 164, P =.41), positive blood cultures (57 v 61, P =.66), or serious infections (75 v 79, P =.62). Hospitalization (14.0 v 13.9 days, P =.87) and induction therapy completion times (NY I, 30.3 v 31.3 days, P =.11; NY II, 33.4 v 32.3 days, P =.40) were not significantly altered. There were no differences in 6-year EFS (P =.24) or OS (P =.54) between patients receiving or not receiving G-CSF on CCG-1901, NY I and NY II. CONCLUSION: Children with high-risk ALL do not appear to benefit from prophylactic G-CSF.[1]

References

  1. Human granulocyte colony-stimulating factor in children with high-risk acute lymphoblastic leukemia: a Children's Cancer Group Study. Heath, J.A., Steinherz, P.G., Altman, A., Sather, H., Jhanwar, S., Halpern, S., Pieters, R., Shah, N., Steinherz, L., Tannous, R., Terry, W., Trigg, M.E. J. Clin. Oncol. (2003) [Pubmed]
 
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