# Study of Menactra® in US Adolescents When Administered Concomitantly With Tdap Vaccine

> **NCT00777257** · PHASE4 · COMPLETED · sponsor: **Sanofi Pasteur, a Sanofi Company** · enrollment: 1345 (actual)

## Conditions studied

- Meningitis
- Meningococcemia
- Pertussis
- Tetanus
- Diphtheria

## Interventions

- **BIOLOGICAL:** T dap + Meningococcal Polysaccharide Diphtheria Toxoid Conj.
- **BIOLOGICAL:** Tdap + Meningococcal Polysaccharide Diphtheria Toxoid Conj.
- **BIOLOGICAL:** Meningococcal Polysaccharide Diphtheria Toxoid Conj. + T dap

## Key facts

- **NCT ID:** NCT00777257
- **Lead sponsor:** Sanofi Pasteur, a Sanofi Company
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-04
- **Primary completion:** 2007-03
- **Final completion:** 2007-09
- **Target enrollment:** 1345 (ACTUAL)
- **Last updated:** 2014-02-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00777257

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00777257, "Study of Menactra® in US Adolescents When Administered Concomitantly With Tdap Vaccine". Retrieved via AI Analytics 2026-08-18 from https://api.ai-analytics.org/clinical/NCT00777257. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*