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Related Experiment Videos

Cefoperazone pharmacokinetics in preterm infants.

J A Bosso, G M Chan, J M Matsen

    Antimicrobial Agents and Chemotherapy
    |March 1, 1983
    PubMed
    Summary

    Cefoperazone pharmacokinetics in preterm infants show a prolonged half-life. A 50 mg/kg dose every 12 hours is recommended for effective neonatal infection treatment.

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    Area of Science:

    • Neonatal pharmacology
    • Antibiotic pharmacokinetics
    • Clinical pharmacy

    Background:

    • Cefoperazone is a new cephalosporin antibiotic.
    • Understanding its pharmacokinetic profile in preterm infants is crucial for safe and effective dosing.

    Purpose of the Study:

    • To determine the elimination pharmacokinetics of cefoperazone in preterm infants.
    • To establish optimal dosing regimens for cefoperazone in this population.

    Main Methods:

    • Studied 15 preterm infants (32-36 weeks gestational age).
    • Administered single intravenous doses of 50 or 250 mg/kg cefoperazone.
    • Collected blood samples for drug assay and analyzed pharmacokinetic parameters using noncompartmental analysis.

    Main Results:

    • Mean plasma half-life was approximately 5.5-5.8 hours.
    • Total body clearance was around 35-36 ml/h/kg.
    • Positive correlation observed between gestational age and clearance/elimination rate.
    • A 50 mg/kg dose every 12 hours achieved adequate serum levels against common neonatal pathogens.

    Conclusions:

    • Cefoperazone exhibits prolonged elimination in preterm infants.
    • Dosing every 12 hours with 50 mg/kg is suggested for effective treatment.
    • The drug was well-tolerated with no significant adverse effects noted.

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