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Pneumococcal Adult Kinetics Study - Understanding the B Cell Response to Pneumococcal Vaccines

Pneumococcal Disease Clinical Trial

Official title:
A Detailed Kinetics Study to Assess the Antibody and the B Cell Response to Either a 13-valent Conjugate Vaccine or a 23-valent Plain Pneumococcal Polysaccharide Vaccine Administered to Healthy Adults Without Prior Pneumococcal Vaccination

Clinical Trial Summary

This is an open-label phase III clinical trial. The purpose of this trial is to investigate in detail the kinetics of the immune response to Prevenar-13, a pneumococcal conjugate vaccine, compared to Pneumovax-II, a pneumococcal plain polysaccharide vaccine. With their consent, healthy adults (n=2 in each group) aged over 18 years who have not received any pneumococcal vaccine in the past will receive either vaccine at their first visit. Blood will be taken before vaccination and at day 0,1,2,4,6,8,10,12,14,16,18,20,23,26,30,35 as well as 2,6 and 12 months following vaccination. With specific consent, a small volume of blood will be used to store DNA and RNA for analysis of the genetic associations with immune responses and adverse reactions to vaccines as well as the RNA expression following a vaccination. Serum or plasma will be used to assess antibody level and available whole blood will be used for B cell assays and to examine immunoglobulin gene usage in B cells.

Clinical Trial Description

n/a

Study Design

Allocation: Non-Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01432158
Study type Interventional
Source University of Oxford
Contact
Status Completed
Phase Phase 3
Start date January 2012
View Details
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