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Persistence of Bactericidal Antibodies in Adolescents and Adults Who Had Received a Single Dose of Menactra® Vaccine

Completed
Conditions
Meningitis
Meningococcal Infections
Registration Number
NCT00862277
Lead Sponsor
Sanofi Pasteur, a Sanofi Company
Brief 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

Detailed 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.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
763
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Percentage of Participants With Serum Bactericidal Antibody Titers for Meningococcal Serogroups A, C, Y, and W-135 at ≥ 8 and ≥ 128 at EnrollmentDay 0
Geometric Mean Titers of Serum Bactericidal Antibody Assay Using Baby Rabbit Complement (SBA-BR) at EnrollmentDay 0
Secondary Outcome Measures
NameTimeMethod

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