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Safety and Efficacy of Pneumococcal Vaccination in Pediatric Nephrotic Syndrome
Shamitha Thishakya Goonewardene1,2,3, Calyn Tang1,2,3, Loh Teng-Hern Tan2,4
1Medical Health and Translational Research Group, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Subang Jaya, Malaysia.
Insights
Nephrotic syndrome patients face high pneumococcal infection risks. This review examines pneumococcal vaccine effectiveness and safety in these vulnerable individuals, crucial for guiding treatment strategies.
Area of Science:
- Pediatric Nephrology
- Infectious Disease Immunology
- Vaccinology
Background:
- Nephrotic syndrome increases susceptibility to severe pneumococcal infections.
- Immunosuppressive therapy and immune deficiency in nephrotic syndrome exacerbate infection risks.
- Rising antibiotic resistance necessitates effective preventative measures like vaccination.
Purpose of the Study:
- To review evidence on pneumococcal vaccine immunogenicity and safety in nephrotic patients.
- To assess the impact of nephrotic syndrome treatment on vaccine responses.
- To inform vaccination guidelines for children with nephrotic syndrome.
Main Methods:
- Systematic review of existing literature on pneumococcal vaccination in nephrotic syndrome.
- Analysis of studies evaluating polysaccharide and conjugated pneumococcal vaccines.
- Examination of data on vaccine seroresponse and adverse events.
Main Results:
- Limited data currently exists on optimal pneumococcal vaccination strategies for nephrotic children.
- Evidence on vaccine immunogenicity and safety in this population requires further investigation.
- Treatment for nephrotic syndrome may influence vaccine efficacy.
Conclusions:
- Pneumococcal vaccination is critical for nephrotic children due to high infection risk.
- More research is needed to establish definitive guidelines for vaccine use in this cohort.
- Understanding treatment effects on seroresponse is essential for optimizing protection.
Abstract:
Nephrotic syndrome affects both children and adults. Idiopathic nephrotic syndrome is reported to be one of the most frequent renal pathologies in childhood. Nephrotic children are at high risk for severe pneumococcal infections as one of the life-threatening complications of nephrotic syndrome due to involvement of the immunosuppressive regimen and the acquired immune deficiency induced by nephrotic syndrome including decreased plasma IgG and low complement system components. Aiming to prevent pneumococcal infection is of paramount importance especially in this era of ever-increasing pneumococcal resistance to penicillins and cephalosporins. The pneumococcal vaccines currently available are inactivated vaccines-the two main forms in use are polysaccharide vaccines and conjugated vaccines. However, the data supporting the use of these vaccines and to guide the timing and dosage recommendations is still limited for nephrotic children. Thus, this review discusses the evidences of immunogenicity and safety profile of both vaccinations on nephrotic patients as well as the effect of nephrotic syndrome treatment on vaccine seroresponses.
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