Meropenem for children with severe pneumonia: Protocol for a randomized controlled trial
Xue Tian1, Lei Dong2, Ting-Ting Jiang3
1Laboratory of Respiratory Diseases, Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, National Center for Children's Health, Beijing, China.
This study compares conventional versus model-based meropenem dosing for pediatric severe pneumonia. The model-based regimen aims to optimize meropenem exposure, potentially improving treatment outcomes in children.
Area of Science:
- Pediatric Infectious Diseases
- Pharmacokinetics and Pharmacodynamics
- Clinical Trial Design
Background:
- Pneumonia poses a significant health risk to children.
- Meropenem is a vital broad-spectrum antibiotic for severe infections.
- Previous population pharmacokinetic modeling informed optimized meropenem dosing strategies.
Purpose of the Study:
- To compare the efficacy and safety of a model-guided meropenem regimen against conventional dosing in pediatric severe pneumonia.
- To evaluate the achievement of target pharmacokinetic/pharmacodynamic (PK/PD) goals, specifically 70% time above minimum inhibitory concentration (MIC).
Main Methods:
- A multicenter randomized controlled trial involving 100 pediatric patients (3 months to 15 years).
- Patients randomized to conventional (20 mg/kg, q8h, 0.5-1h infusion) or model-guided (20 mg/kg, q8h, 4h infusion) meropenem therapy.
- Primary endpoint: 70% free plasma concentration above MIC (70% fT > MIC). Secondary endpoints include treatment failure, duration of therapy, inflammatory markers, and adverse events.
Main Results:
- The study is designed to assess the primary outcome of 70% fT > MIC.
- Secondary outcomes will evaluate clinical and microbiological treatment success, safety, and inflammatory markers.
- Results will guide optimized meropenem dosing for severe pediatric pneumonia.
Conclusions:
- This randomized controlled trial aims to validate a model-based meropenem dosing strategy for severe pediatric pneumonia.
- The findings are expected to support the rational use of antibiotics in critically ill children.
- Optimized dosing may improve therapeutic efficacy and patient outcomes.
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