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Clinical Trial Summary

To evaluate the persistence of bactericidal antibodies in adolescents and adults who received one dose of Menactra® vaccine approximately four to eight years earlier


Clinical Trial Description

Subjects who received one dose of Menactra® or Menomune® in study MTA04, MTA12, MTA19 (NCT00777790), or MTA21 (NCT00777257) will be eligible for enrollment in trial this study. All eligible subjects will provide a blood sample at Visit 1, after which their participation in the study will be terminated. An age-matched meningococcal-vaccine naïve control group will be recruited to provide a blood sample for baseline antibody level evaluation.

No vaccine will be administered in this study. ;


Study Design

Observational Model: Case Control, Time Perspective: Retrospective


Related Conditions & MeSH terms


NCT number NCT00862277
Study type Observational
Source Sanofi
Contact
Status Completed
Phase N/A
Start date December 2008
Completion date December 2009

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