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Study Evaluating Persistence of Antibody Response Elicited by 13vPnC in Healthy Adults Previously Vaccinated

2014-08-27 03:17:32 | BioPortfolio

Summary

The purpose of this study is to evaluate the levels of antibodies 1 year after receiving the second vaccine dose in two groups of adults over the age of 60: (1) those who have previously received 2 doses of 13-valent pneumococcal conjugate vaccine (13vPnC) and (2) those who have previously received 1 dose of 13vPnc and 1 dose of 23-valent pneumococcal polysaccharide vaccine (23vPS). This study will also assess whether the use of the 2 vaccines, 13vPnC and 23vPS, administered in different sequential order results in different prolonged antibody levels. This study is limited to individuals who participated in either study 6115A1-3010 (NCT00574548) or 6115A1-3005 (NCT00546572).

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Conditions

Healthy

Intervention

Blood draw

Location

Chandler
Arizona
United States
85224

Status

Recruiting

Source

Wyeth

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:17:32-0400

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A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism, and is often made from weakened or killed forms of the microbe, its toxins or one ...


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