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NCT00347958 · ClinicalTrials.gov registry record · Phase 4

Descriptive, Open-label, Multicenter Study of the Safety of Redosing With ADACEL® Vaccine

A Phase 4 study of Diphtheria and Tetanus, sponsored by Sanofi Pasteur, a Sanofi Company.

Completed
Registry status
Phase 4
Development phase
545
Enrollment target
10
Study locations

NCT00347958: Completed Phase 4 study of Diphtheria and Tetanus, sponsored by Sanofi Pasteur, a Sanofi Company.

NCT00347958 is a Phase 4 study of Diphtheria and Tetanus that has completed, run by Sanofi Pasteur, a Sanofi Company. The registered enrollment target is 545 participants, below the 1,830-participant average among 15 other Diphtheria trials with a reported enrollment target (70% lower). The trial reports 10 study locations across 8 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00347958, a Phase 4 study of Diphtheria and Tetanus, has completed, sponsored by Sanofi Pasteur, a Sanofi Company.

COMPLETED
Registry status
Phase 4
Development phase
545 participants
Enrollment target
10
Study locations

Study Summary

Objectives: To provide safety data on revaccination with ADACEL® vaccine. To describe the immune response to tetanus, diphtheria, and pertussis antigens following revaccination with ADACEL® vaccine 4-5 years after first vaccination.

Primary Outcome

Solicited Injection Site Reactions: Pain, Erythema/Redness, Swelling. Solicited Systemic Reactions: Fever (Temperature), Headache, Myalgia, Malaise.

Interventions

  • BIOLOGICAL Tetanus-diphtheria-acellular pertussis (Tdap) vaccine

Study Locations (10)

British Columbia

  • - Coquitlam
  • - Surrey

Quebec

  • - Beauport
  • - Montreal

Arkansas

  • - Jonesboro

Louisiana

  • - Bossier City

Ohio

  • - University Heights

Pennsylvania

  • - Pittsburgh

Manitoba

  • - Winnipeg

Nova Scotia

  • - Halifax

Trial Details

FieldValue
Enrollment Target 545 participants
Start Date 2006-08
Est. Completion 2008-10
Phase Phase 4
Sanofi Pasteur, a Sanofi Company

153 total trials

What the finished NCT00347958 record still lists

NCT00347958 is an interventional study that assigns participants to a tested intervention. The registered 545 participants enrollment target is mid-sized for trials with a published cap, below the 1,830-participant average among 15 other Diphtheria trials with a reported enrollment target (70% lower).

The record links to 3 conditions, with Diphtheria appearing as the primary indexed condition, and to 1 intervention - of which Tetanus-diphtheria-acellular pertussis (Tdap) vaccine is the first listed.

NCT00347958 lists 10 locations in 8 states (British Columbia, Quebec, Arkansas).

Frequently Asked Questions

What is clinical trial NCT00347958 about?

NCT00347958 is a clinical study titled "Descriptive, Open-label, Multicenter Study of the Safety of Redosing With ADACEL® Vaccine". Objectives: To provide safety data on revaccination with ADACEL® vaccine. To describe the immune response to tetanus, diphtheria, and pertussis antigens following revaccination with ADACEL® vaccine 4-5 years after first vaccination.

What is the current status of trial NCT00347958?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 545 participants. The study started on 2006-08. Estimated completion is 2008-10.

What conditions does trial NCT00347958 study?

This clinical trial studies the following conditions: Diphtheria, Tetanus, Pertussis.

What interventions are being tested in trial NCT00347958?

The interventions under investigation include: Tetanus-diphtheria-acellular pertussis (Tdap) vaccine (BIOLOGICAL).

Who is sponsoring clinical trial NCT00347958?

This trial is sponsored by Sanofi Pasteur, a Sanofi Company, which has 153 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT00347958 being conducted?

This trial has 10 study locations across Arkansas, Louisiana, Ohio, Pennsylvania, British Columbia. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Diphtheria

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT00347958's enrollment target sits among peer trials

545 11th of 15 higher than 5 of 15 other Diphtheria trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Diphtheria trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT00347958, the US trial registry maintained by the National Library of Medicine. NCT00347958 (mid enrollment · multi site footprint · completed) retrieved and formatted by PlainTrial, see methodology.