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DOSING REGIMEN OF THE 23-VALENT PNEUMOCOCCAL VACCINATION: A SYSTEMATIC REVIEW

Saturday, 4th of April 2015

DOSING REGIMEN OF THE 23-VALENT PNEUMOCOCCAL VACCINATION: A SYSTEMATIC REVIEW

Caya CA¹, Boikos C¹, Desai S², Quach C³.

Author information

¹Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC, Canada.
²Division of Vaccine Preventable Diseases, Public Health Agency of Canada, Ottawa, ON, Canada.
³Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC, Canada; Department of Pediatrics, Division of Infectious Diseases, The Montreal Childrens Hospital, McGill University, Montreal, QC, Canada; Quebec Institute of Public Health, Montreal, QC, Canada; McGill University Health Centre, Vaccine Study Centre, Research Institute of the MUHC, Montreal, QC, Canada. Electronic address: caroline.quach@mcgill.ca.

Vaccine. 2015 Mar 10;33(11):1302-1312. doi: 10.1016/j.vaccine.2015.01.060. Epub 2015 Feb 3.

Abstract below; full text is available to journal subscribers.

BACKGROUND:

Currently, one lifetime booster of a 23-valent pneumococcal polysaccharide vaccine (PPV23) is recommended for those at highest risk of invasive pneumococcal disease (IPD) 3-5 years after initial vaccination. Due to a lack of evidence on multiple revaccinations, recommendations on repeat revaccination do not exist. We aimed to determine the optimal dose and timing of PPV23 booster in high-risk groups.

METHODS:

We searched Google Scholar, Cochrane, EMBASE, Classic EMBASE, and PubMed for articles published in English and French using the MeSH terms pneumococcal infection, invasive pneumococcal disease, pneumonia, pneumo23, pneumovax 23, PPV23, and 23-valent. Articles were included if they examined dosing regimens of PPV23 (i.e., PPV23 priming and boosting) in adult populations, pediatric populations or both. Two authors independently assessed all titles and abstracts. All potentially relevant articles were chosen by consensus and retrieved for full text review. Two authors independently conducted the inclusion assessment.

RESULTS:

Database searches resulted in a total of 1233 articles. The review by title and abstracts resulted in the exclusion of 1170 articles, 53 articles were fully reviewed, 2 articles were identified using Google Scholar and 12 articles were finally included. The majority of evidence consistently indicated an increase in antibody response following PPV23 revaccination in both adult and pediatric populations. Evidence on multiple revaccinations was limited and mixed. Revaccination with PPV23 was well tolerated.

CONCLUSION:

The majority of evidence reviewed supports PPV23 revaccination in both adult and pediatric populations. However, data on multiple booster PPV23 vaccinations in these populations is needed.