• Y Bertrand, V Bréant, C Vray, C Nakache, G Barbé, F Dürr, and G Aulagner.
• Service d'hématologie-immunologie pédiatrique et de transplantation de moelle osseuse, Institut Pasteur, France.
• Arch Pediatr. 1996 Sep 1; 3 (9): 854-60.

BackgroundThe efficacy of single daily dose of amikacin has been recently demonstrated in neutropenic children with fever.Population And MethodsEighteen children aged 1 to 15 years were included in the study. All patients were febrile and granulocytopenic and had indwelling intravenous catheter. Amikacin was administered as a 30-minute intravenous infusion once daily (20 mg/kg on day 1, then 15 mg/kg) for 3 to 30 days; the patients received amikacin in combination with piperacillin and vancomycin. Serum levels of amikacin were measured on days 1, 3, 6 and 10, and 30 min, 60 min and 180 min after the end of the infusion.ResultsAll patients responded favourably to the antibiotic therapy. Sixty-two kinetics were performed: peak amikacin concentrations measured (30 min after 30-min infusion) on day 1 averaged 43.7 micrograms/mL (+/- 13.8). A significant increase in peak serum concentrations was observed during the treatment (day 3 vs day 10) without change in the trough serum concentrations. The volumes of distribution were considerably important in these granulocytopenic children and there was a large inter and intra-patient variability; the elimination half-life of the amikacin was short (1.45 h). There was no significant nephrotoxicity in any patient.ConclusionThe use of single daily dose amikacin in combination with a broad spectrum beta-lactam antibiotic and vancomycin was efficient and safe in febrile granulocytopenic children. The simulation of the amikacin behaviour in the deep compartment should be evaluated; in fact, it might reflect better accumulation of the drug than serum concentrations.

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