Journal
ARCHIVES OF DISEASE IN CHILDHOOD
Volume 89, Issue 7, Pages 665-669Publisher
B M J PUBLISHING GROUP
DOI: 10.1136/adc.2003.032284
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Aims: To test the suitability of a simple once daily ( OD) gentamicin regimen for use in young infants where routine therapeutic drug monitoring is not possible. Methods: In an open, randomised, controlled trial, infants with suspected severe sepsis admitted to a Kenyan, rural district hospital received a novel, OD gentamicin regimen or routine multi-dose ( MD) regimens. Results: A total of 297 infants (over 40% less than or equal to 7 days) were randomised per protocol; 292 contributed at least some data for analysis of pharmacological endpoints. One hour after the first dose, 5% (7/136) and 28% (35/123) of infants in OD and MD arms respectively had plasma gentamicin concentrations <4 μg/ml ( a surrogate of treatment inadequacy). Geometric mean gentamicin concentrations at this time were 9.0 μg/ml (95% CI 8.3 to 9.9) and 4.7 μg/ml (95% CI 4.2 to 5.3) respectively. By the fourth day, pre-dose concentrations ≥2 μg/ml (a surrogate of potential treatment toxicity) were found in 6% (5/89) and 24% (21/86) of infants respectively. Mortality was similar in both groups and clinically insignificant, although potential gentamicin induced renal toxicity was observed in <2% infants. Conclusions: A two, four, six, eight'' OD gentamicin regime, appropriate for premature infants and those in the first days and weeks of life, seems a suitable, safe prescribing guide in resource poor settings.
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