Abstract
Drug-resistant Gram-negative bacteria are a growing threat to children; thus new antibiotics are needed to treat infections caused by these pathogens. Ceftolozane/tazobactam is active against many Gram-negative pathogens and is approved for treatment of complicated intra-abdominal and urinary tract infections in adults, but has not been evaluated in children. This phase 1, noncomparative, open-label, multicenter study characterized the pharmacokinetics (by noncompartmental analysis), safety, and tolerability of single intravenous doses of ceftolozane/tazobactam in pediatric patients (birth [7 days postnatal] to < 18 years of age) with proven/suspected Gram-negative infection or receiving perioperative prophylaxis (clinicaltrials.gov NCT02266706). Patients were enrolled into 1 of 6 age groups to receive a single, age-based ceftolozane/tazobactam dose, with timed blood sample collection for determining plasma concentrations of ceftolozane and tazobactam. Safety and tolerability were also evaluated. Thirty-seven patients received study drug; 34 were included in the pharmacokinetic population. Ceftolozane and tazobactam pharmacokinetic parameters were generally comparable for patients 3 months to < 18 years of age. Patients from bi...Continue Reading
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