PMID: 9545669Apr 18, 1998Paper

Fundamental and clinical evaluation of cefozopran in low birth weight infants and neonates

The Japanese journal of antibiotics
Y SatoY Kusumoto

Abstract

We conducted fundamental and clinical evaluations of a cephem antibiotic, cefozopran (SCE-2787, CZOP), in infants with low birth weights and mature infants. (1) Blood concentrations CZOP was intravenously given in bolus dose of 20 mg/kg to the newborn. The blood antibiotic concentrations were 69.7 micrograms/ml at 30 minutes after administration and the elimination half life was 2.99 hours in mature infants aged 1 to 3 days. They were 38.7 micrograms/ml and 2.85 hours in those aged 4 to 7 days, and 40.8 micrograms/ml and 3.81 hours in those aged 8 days or elder, respectively. In infants with lower birth weights aged 4 to 7 days the blood antibiotic concentrations were 48.6 micrograms/ml at 30 minutes after i.v. administration and the elimination half life was 3.77 hours. The blood antibiotic concentrations at 30 minutes after intravenous doses of 10, 20 and 50 mg/kg in mature infants aged 8 days or elder were 21.1, 40.8 and 153.6 micrograms/ml (value at 60 minutes) and the elimination half lives were 2.24, 3.81 and 3.07 hours, respectively. Administration of CZOP at doses of 20 and 40 mg/kg by intravenous drip infusion over 30 minutes gave the blood drug concentrations of 48.0 and 103.2 micrograms/ml at the end of the infusion ...Continue Reading

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