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COMPARATIVE STUDY
JOURNAL ARTICLE
MULTICENTER STUDY
RANDOMIZED CONTROLLED TRIAL
RESEARCH SUPPORT, NON-U.S. GOV'T
Continuous Versus Intermittent Vancomycin Infusions in Infants: A Randomized Controlled Trial.
Pediatrics 2019 Februrary
BACKGROUND: In adults, continuous infusions of vancomycin (CIV) are associated with earlier attainment of target drug concentrations, require fewer blood samples for monitoring, and may reduce drug toxicity. We aimed to determine, in young infants, if CIV or intermittent infusions of vancomycin (IIV) better achieves target vancomycin concentrations at the first steady-state level and to compare the frequency of drug-related adverse effects.
METHODS: In a multicenter randomized controlled trial in 2 tertiary neonatal units over a 40-month period, young infants aged 0 to 90 days requiring vancomycin therapy for at least 48 hours were randomly assigned to CIV and IIV.
RESULTS: Of 111 infants randomized, 104 were included in the intention-to-treat analysis. Baseline characteristics were similar for both groups. The proportion of infants achieving target concentrations at the first steady-state level was higher for CIV compared with IIV (45 in 53 [85%] vs 21 in 51 [41%]; P < .001). Fewer dose adjustments were required in the CIV group (median 0; range 0-1) compared with the IIV group (median 1; range 0-3; P < .001). The mean daily dose required to achieve target concentrations was lower with CIV compared with IIV (40.6 [SD 10.7] vs 60.6 [SD 53.0] mg/kg per day, respectively; P = .01). No drug-related adverse effects occurred in either group.
CONCLUSIONS: In young infants, CIV is associated with earlier and improved attainment of target concentrations compared with IIV. Lower total daily doses are required to achieve target levels with CIV. There is no difference in the rate of drug-related adverse effects.
METHODS: In a multicenter randomized controlled trial in 2 tertiary neonatal units over a 40-month period, young infants aged 0 to 90 days requiring vancomycin therapy for at least 48 hours were randomly assigned to CIV and IIV.
RESULTS: Of 111 infants randomized, 104 were included in the intention-to-treat analysis. Baseline characteristics were similar for both groups. The proportion of infants achieving target concentrations at the first steady-state level was higher for CIV compared with IIV (45 in 53 [85%] vs 21 in 51 [41%]; P < .001). Fewer dose adjustments were required in the CIV group (median 0; range 0-1) compared with the IIV group (median 1; range 0-3; P < .001). The mean daily dose required to achieve target concentrations was lower with CIV compared with IIV (40.6 [SD 10.7] vs 60.6 [SD 53.0] mg/kg per day, respectively; P = .01). No drug-related adverse effects occurred in either group.
CONCLUSIONS: In young infants, CIV is associated with earlier and improved attainment of target concentrations compared with IIV. Lower total daily doses are required to achieve target levels with CIV. There is no difference in the rate of drug-related adverse effects.
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