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Pharmacotherapy for pneumococcal infections: an update
Susanna Esposito1, Nicola Principi
1Pediatric Clinic 1, Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Commenda 9, 20122 Milano, Italy. susanna.esposito@unimi.it
Insights
Pneumococcal disease management is challenging due to antibiotic resistance, especially in children. New vaccines may help, but protein-based vaccines are needed for complete protection against Streptococcus pneumoniae.
Area of Science:
- Infectious Diseases
- Microbiology
- Pharmacology
Background:
- Pneumococcal diseases pose significant medical and economic burdens.
- Children are the most vulnerable population to pneumococcal infections.
Purpose of the Study:
- To review the optimal therapeutic strategies for pneumococcal resistance.
- To analyze Streptococcus pneumoniae susceptibility and antibiotic pharmacokinetics/pharmacodynamics.
Main Methods:
- Literature review of current therapeutic approaches.
- Analysis of antibiotic efficacy against resistant Streptococcus pneumoniae strains.
- Evaluation of pharmacokinetic and pharmacodynamic properties of antibiotics.
Main Results:
- Antibiotic treatment for many pneumococcal diseases is hindered by resistant strains.
- Drug limitations for pediatric use exacerbate treatment difficulties in children.
- Emerging conjugate pneumococcal vaccines (PCV10, PCV13) show promise in reducing infection incidence and pathogen circulation.
Conclusions:
- Effective treatment of pneumococcal infections is challenged by antibiotic resistance.
- Pediatric populations face greater risks due to limited drug options.
- Future development of broad-spectrum protein-based vaccines is crucial for comprehensive prevention of all pneumococcal infections.
Introduction:
The management of pneumococcal diseases still places a significant burden on medical and economic resources. The subjects at greatest risk of pneumococcal infections are children.
Areas Covered:
The aim of this review is to analyse the best current therapeutic approach to pneumococcal resistance, taking into account the level of susceptibility of Streptococcus pneumoniae, and the pharmacokinetics and pharmacodynamics of different antibiotics in the various pneumococcal diseases.
Expert Opinion:
Antibiotic treatment of a number of pneumococcal diseases remains difficult or impossible due to the presence of strains resistant to commonly used antibiotics. In children the problem is significantly more important than in adults due to the reduced number of licenced drugs for subjects in the first years of life. The new conjugate pneumococcal vaccines containing 10 (PCV10) and 13 serotypes (PCV13), which include most of the recently emerging strains, might reduce the incidence of pneumococcal infections and the circulation of resistant pathogens. However, it is likely that optimal results will only be reached after the development of effective vaccines based on conserved proteins that are capable of preventing all pneumococcal infections, regardless of the serotype of the causative organism.
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