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[Pharmacokinetic, bacteriological, and clinical studies on panipenem/betamipron in children]
T Tajima1, S Nishimura, A Higa
1Department of Pediatrics, School of Medicine, Teikyo University.
Insights
Panipenem/betamipron (PAPM/BP) demonstrated high clinical efficacy (91.7%) and safety in pediatric bacterial infections. This antibiotic combination effectively eradicated most target pathogens with no observed adverse reactions.
Area of Science:
- Pediatric infectious diseases
- Antimicrobial chemotherapy
- Pharmacology
Context:
- Bacterial infections pose a significant health challenge in pediatric populations.
- Panipenem/betamipron (PAPM/BP) is an antibiotic combination used for treating bacterial infections.
Purpose:
- To evaluate the clinical efficacy, bacteriological effects, and safety of panipenem/betamipron (PAPM/BP) in pediatric patients.
- To assess the in vitro antibacterial activity of panipenem (PAPM) against clinical isolates from children.
Summary:
- Twelve pediatric patients with diverse bacterial infections received PAPM/BP (20 mg/20 mg/kg, 3 times daily IV). Clinical efficacy was 91.7% (7 excellent, 4 good, 1 fair). Seventeen causative organisms were eradicated from 10 patients; S. aureus and P. aeruginosa were resistant in one case. No adverse reactions were reported.
- Minimum inhibitory concentrations (MICs) of PAPM against 22 clinical isolates showed good activity against Streptococcus pneumoniae, comparable to cefoperazone (CPZ), but weaker activity against Haemophilus influenzae.
Impact:
- PAPM/BP exhibits significant clinical effectiveness and a favorable safety profile for treating bacterial infections in children.
- The study provides valuable data on PAPM/BP's utility in pediatric infectious disease management and its comparative in vitro activity.
Abstract:
Pharmacokinetic, bacteriological and clinical studies were performed on panipenem/betamipron (PAPM/BP) in children. The results are summarized as follow: 1. Twelve patients with various bacterial infectious diseases were treated with PAPM/BP. Each dose was 20 mg/20 mg/kg, administered 3 times daily, in 30-minute intravenous drip infusion. Treatments were continued for 5-22 days. Clinical efficacies of PAPM/BP in 12 patients with bacterial infections (1 with suspected sepsis, 5 with pneumonia, 1 with acute maxillary sinusitis, 2 with acute otitis media, 1 with cervical abscess and 2 with urinary tract infection complexed type) were evaluated as excellent in 7, good in 4 and fair in 1, with an efficacy rate of 91.7%. Seventeen causative organisms found in 10 patients (Haemophilus influenzae in 4, Branhamella catarrhalis in 3, Streptococcus pneumoniae in 2, Pseudomonas aeruginosa in 2, Staphylococcus aureus in 1, alpha-Streptococcus in 1, Corynebacterium sp. in 1, Peptostreptococcus micros in 1 and Klebsiella pneumoniae in 2) were eradicated except 2 strains (S. aureus and P. aeruginosa) from 1 patient (patient No. 2). No adverse reactions were observed in any of the 12 patients. 2. MICs of PAPM were examined against 22 clinical isolates (H. influenzae 5, B. catarrhalis 3, alpha-Streptococcus 3, S. pneumoniae 2, Corynebacterium sp. 2, S. aureus 1, P. aeruginosa 1, P. micros 1, Enterobacter cloacae 1, Escherichia coli 1, Group D Streptococcus 1 and Staphylococcus epidermidis 1) from children with bacterial infections. PAPM showed a good antibacterial activity comparable to the activity of cefoperazone (CPZ) against S. pneumoniae strains relatively tolerant to penicillins. However, the activity of PAPM against H. influenzae was somewhat weaker than that of CPZ. 3. Pharmacokinetic studies.(ABSTRACT TRUNCATED AT 250 WORDS)