# A Trial to Evaluate the Safety and Immunogenicity of ADACEL® Vaccine in Persons 65 Years of Age and Older

> **NCT00457249** · PHASE4 · COMPLETED · sponsor: **Sanofi** · enrollment: 1564 (actual)

## Conditions studied

- Pertussis
- Tetanus
- Diphtheria

## Interventions

- **BIOLOGICAL:** ADACEL®: Tetanus, Reduced Diphtheria and Acellular Pertussis Adsorbed
- **BIOLOGICAL:** DECAVAC®: Tetanus and Diphtheria Toxoids Adsorbed

## Key facts

- **NCT ID:** NCT00457249
- **Lead sponsor:** Sanofi
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-03
- **Primary completion:** 2008-09
- **Final completion:** 2008-11
- **Target enrollment:** 1564 (ACTUAL)
- **Last updated:** 2012-10-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00457249

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00457249, "A Trial to Evaluate the Safety and Immunogenicity of ADACEL® Vaccine in Persons 65 Years of Age and Older". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT00457249. Licensed CC0.

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