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Therapeutic Effect of Different Doses of Recombinant Human Granulocyte Colony-Stimulating Factor(rhG-CSF) on Neonatal Sepsis Complicated by Neutropenia  

Choi, Moon Young (Department of Pediatrics, Eulji Hospital)
Jung, Yeon Sook (Department of Pediatrics, Eulji Hospital)
Son, Dong Woo (Department of Pediatrics, Bombit Hospital)
Ahn, Hyo Seop (Department of Pediatrics, College of Medicine, Seoul National University)
Publication Information
Clinical and Experimental Pediatrics / v.45, no.4, 2002 , pp. 439-448 More about this Journal
Abstract
Purpose : The aim of this study is to determine and compare the effects of adjunctive therapy with different doses of recombinant human granulocyte-colony stimulating factor(rhG-CSF) on reversing sepsis-associated neonatal neutropenia, and their survival rate in a group I/II-type trial. Methods : RhG-CSF was injected subcutaneously to 10 septic-neutropenic neonates with doses of $10{\mu}g/kg$ from Oct. 1995 to Sep. 1996, and was administered to another 12 septic-neutropenic neonates with doses of $5{\mu}g/kg$ from Oct. 1996 to Sep. 1997. Neutrophilic responses and the outcomes of both groups were compared. Results : In the rhG-CSF $10{\mu}g/kg$ treated group and in the $5{\mu}g/kg$ treated group, the absolute neutrophil count(ANC) was $1,065{\pm}89$($mean{\pm}SEM$) and $1,053{\pm}131$, respectively. The only difference between the two groups was the peak ANC at 48 hours. Eight patients from the remaining nine of rhG-CSF $10{\mu}g/kg$ treated group(88.9%) and ten in $5{\mu}g/kg$ treated group(83.3%) survived the sepsis and were discharged without any problems. Conclusions : RhG-CSF can increase the neutrophil count in critically ill septic neutropenic neonats. The survival rate of both groups were up to 90%. This finding suggests that both doses of rhG-CSF may be effective in a therapeutically useful time frame to treat septic neonates with neonatal neutropenia attributable to bone marrow supression or neutrophil consumption.
Keywords
Neonatal sepsis; Recombinant human granulocyte colony stimulating factor; Neutropenia;
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