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Clinical Trial Summary

This is a modified single-blind, randomized, parallel-group, comparative, multicenter study to test Menactra vaccine in toddlers.

Primary Objectives:

- To evaluate the antibody responses induced by Measles, Mumps, Rubella, and Varicella (MMRV) vaccine when administered alone or concomitantly with Menactra vaccine.

- To evaluate the antibody responses induced by Pneumococcal Conjugated Vaccine (PCV) when administered alone or concomitantly with Menactra vaccine.

Observational Objectives:

Safety - To describe the safety profile throughout the course of the study from Day 0 up to 6 months after the last study vaccination[s]) in subjects in the study groups.

Immunogenicity:

- To describe the antibody responses to meningococcal serogroups A, C, Y, and W-135, 30 days after the first and second Menactra vaccine administration in a subset of subjects in the first study group.


Clinical Trial Description

No meningococcal vaccine is presently licensed for the population aged < 2 years in the US, establishing the effectiveness of a quadrivalent polysaccharide conjugate vaccine against invasive meningococcal disease in children aged < 2 years would address this important, currently unmet public health need.

At enrollment, each 9-month old subject will be randomly assigned to a study group and vaccinated. A second vaccination will be administered at 12 months of age. Subjects will provide one blood sample during the trial.

Twelve-month old subjects will also be vaccinated with routine pediatric vaccines and provide one blood sample 30 days after vaccinations in the control group ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Investigator), Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT00422292
Study type Interventional
Source Sanofi
Contact
Status Completed
Phase Phase 3
Start date December 2006
Completion date April 2009

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