Revaccination with the 23-valent pneumococcal polysaccharide vaccine in middle-aged and elderly persons previously treated for pneumonia

Revaccination with the 23-valent pneumococcal polysaccharide vaccine (PPV) has remained controversial due to lack of immunological data and fear of side effects. We re-vaccinated 61 elderly patients (median age 75 years), who had a history of hospital treatment for pneumonia, with PPV on average 5.3...

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Veröffentlicht in:Vaccine 2003-12, Vol.22 (1), p.96-103
Hauptverfasser: Törling, Jan, Hedlund, Jonas, Konradsen, Helle Bossen, Örtqvist, Åke
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creator Törling, Jan
Hedlund, Jonas
Konradsen, Helle Bossen
Örtqvist, Åke
description Revaccination with the 23-valent pneumococcal polysaccharide vaccine (PPV) has remained controversial due to lack of immunological data and fear of side effects. We re-vaccinated 61 elderly patients (median age 75 years), who had a history of hospital treatment for pneumonia, with PPV on average 5.3 years after their primary vaccination. Revaccination resulted in significant increases of the geometric mean antibody concentration (GMC) and the geometric mean antibody fold increase (GMFI), although to lower levels than after primary vaccination. 36/61 (59%) of the patients responded with a GMFI of ≥2 to ≥2 of six serotypes. Local reactions to revaccination were common (63%), but mild, and there were no serious adverse events. We conclude that revaccination of elderly with PPV after 5–10 years is safe and induce a significant immune response in a majority of persons.
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We re-vaccinated 61 elderly patients (median age 75 years), who had a history of hospital treatment for pneumonia, with PPV on average 5.3 years after their primary vaccination. Revaccination resulted in significant increases of the geometric mean antibody concentration (GMC) and the geometric mean antibody fold increase (GMFI), although to lower levels than after primary vaccination. 36/61 (59%) of the patients responded with a GMFI of ≥2 to ≥2 of six serotypes. Local reactions to revaccination were common (63%), but mild, and there were no serious adverse events. 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We re-vaccinated 61 elderly patients (median age 75 years), who had a history of hospital treatment for pneumonia, with PPV on average 5.3 years after their primary vaccination. Revaccination resulted in significant increases of the geometric mean antibody concentration (GMC) and the geometric mean antibody fold increase (GMFI), although to lower levels than after primary vaccination. 36/61 (59%) of the patients responded with a GMFI of ≥2 to ≥2 of six serotypes. Local reactions to revaccination were common (63%), but mild, and there were no serious adverse events. We conclude that revaccination of elderly with PPV after 5–10 years is safe and induce a significant immune response in a majority of persons.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>14604576</pmid><doi>10.1016/S0264-410X(03)00521-8</doi><tpages>8</tpages></addata></record>
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subjects Age
Aged
Antibodies, Bacterial - analysis
Antibodies, Bacterial - biosynthesis
Applied microbiology
Bacteriology
Biological and medical sciences
Chronic illnesses
Cohort Studies
Disease
Female
Fundamental and applied biological sciences. Psychology
Heart failure
Hospitalization
Humans
Immune response
Injections, Intramuscular
Lipopolysaccharides - administration & dosage
Lipopolysaccharides - adverse effects
Lipopolysaccharides - immunology
Male
Microbiology
Middle age
Middle Aged
Miscellaneous
Mortality
Older people
Pneumococcal vaccine
Pneumococcal Vaccines - administration & dosage
Pneumococcal Vaccines - adverse effects
Pneumococcal Vaccines - immunology
Pneumonia
Pneumonia, Pneumococcal - immunology
Pneumonia, Pneumococcal - therapy
polysaccharides
Polysaccharides - immunology
Revaccination
Streptococcus infections
Streptococcus pneumoniae
Studies
Time Factors
Vaccination
Vaccines
Vaccines, antisera, therapeutical immunoglobulins and monoclonal antibodies (general aspects)
Variance analysis
title Revaccination with the 23-valent pneumococcal polysaccharide vaccine in middle-aged and elderly persons previously treated for pneumonia
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