Study of Menactra® in US Adolescents When Administered Concomitantly With Tdap Vaccine
Public ClinicalTrials.gov record NCT00777257. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Immunogenicity and Safety of Meningococcal (Groups A, C, Y, and W-135) Diphtheria Toxoid Conjugate Vaccine (Menactra®) in Adolescents in the US When Administered Concomitantly With Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine Adsorbed (Tdap Vaccine)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study was to evaluate the immunogenicity and safety of the concomitant administration of Menactra® vaccine and Tdap vaccine in adolescents aged 11 to 17 years. Primary Objective: To determine whether concomitant administration of two vaccines, Tdap and Menactra®, induces antibody responses that are similar to those observed when each vaccine is given separately. Secondary Objective: To compare the rates of injection site reactions at the Tdap injection site after Tdap and Menactra® vaccines are administered concomitantly to the corresponding rates of reactions when Tdap vaccine is administered alone.
Study identification
- NCT ID
- NCT00777257
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 1,345 participants
Conditions and interventions
Conditions
Interventions
- T dap + Meningococcal Polysaccharide Diphtheria Toxoid Conj. Biological
- Tdap + Meningococcal Polysaccharide Diphtheria Toxoid Conj. Biological
- Meningococcal Polysaccharide Diphtheria Toxoid Conj. + T dap Biological
Biological
Eligibility (public fields only)
- Age range
- 11 Years to 17 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 2005 (Type not available)
- Primary completion
- Mar 2007 (Actual)
- Completion
- Sep 2007 (Actual)
- Last update posted
- Feb 14, 2014
2005 – 2007
United States locations
- U.S. sites
- 20
- U.S. states
- 13
- U.S. cities
- 20
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Jonesboro | Arkansas | 72401 | — |
| Not listed | Little Rock | Arkansas | 72205 | — |
| Not listed | Boulder | Colorado | 80303 | — |
| Not listed | Marietta | Georgia | 30062 | — |
| Not listed | Woodstock | Georgia | 30189 | — |
| Not listed | Bardstown | Kentucky | 40004 | — |
| Not listed | Baltimore | Maryland | 21201 | — |
| Not listed | Woburn | Massachusetts | 01801 | — |
| Not listed | Albuquerque | New Mexico | 87108 | — |
| Not listed | Syracuse | New York | 13210 | — |
| Not listed | Raleigh | North Carolina | 27609 | — |
| Not listed | Sylva | North Carolina | 28779 | — |
| Not listed | Akron | Ohio | 44308 | — |
| Not listed | Cleveland | Ohio | 44118 | — |
| Not listed | Columbus | Ohio | 43205 | — |
| Not listed | Dayton | Ohio | 45404 | — |
| Not listed | Pittsburgh | Pennsylvania | 15241 | — |
| Not listed | Sellersville | Pennsylvania | 18960 | — |
| Not listed | Kingsport | Tennessee | 37660 | — |
| Not listed | Spokane | Washington | 99202 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00777257, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 14, 2014 · Synced Oct 19, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00777257 live on ClinicalTrials.gov.