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Pharmacokinetics of Ceftaroline in a Preterm Infant With Methicillin-Resistant Staphylococcus Aureus Pneumonia
Sara N Salerno1, Janice Bernhardt2, Matthew Laughon2
1Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy.
Insights
The first pharmacokinetic-pharmacodynamic relationship for ceftaroline was established in a preterm infant. The administered dose demonstrated efficacy against methicillin-resistant Staphylococcus aureus pneumonia.
Area of Science:
- Pharmacology
- Neonatal Medicine
- Infectious Diseases
Background:
- Ceftaroline is a cephalosporin antibiotic with activity against Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA).
- Establishing pharmacokinetic-pharmacodynamic (PK-PD) relationships is crucial for optimizing antibiotic dosing, especially in vulnerable populations like preterm infants.
Observation:
- This study details the PK-PD of ceftaroline in a preterm infant (<28 weeks' gestational age) treated for MRSA pneumonia.
- The infant received ceftaroline at a dose of 8.5 mg/kg every 8 hours.
Findings:
- The observed ceftaroline dose achieved the target pharmacodynamic endpoint associated with efficacy against MRSA.
- This represents the first reported PK-PD relationship for ceftaroline in this specific neonatal population.
Implications:
- These findings support the potential efficacy of ceftaroline in treating MRSA infections in extremely preterm infants.
- Further research is warranted to confirm these PK-PD targets and optimize dosing strategies in neonates.
Abstract:
We report here the first pharmacokinetic-pharmacodynamic relationship for ceftaroline in a preterm infant born at <28 weeks' gestational age who was given ceftaroline (8.5 mg/kg every 8 hours) for pneumonia attributable to methicillin-resistant Staphyloccocus aureus. This dose of ceftaroline was adequate to achieve the pharmacodynamic endpoint associated with efficacy for methicillin-resistant Staphyloccocus aureus.
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