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ClinicalTrials.gov official registry

Tetanus clinical trials

Every US clinical trial registered for Tetanus — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.

16 US clinical trials ·

The research picture

Tetanus has 16 registered US clinical trials; none are currently listed as recruiting, so most are completed or in follow-up.

0
recruiting participants now
0%
of trials open to enrollment
12
in Phase 3–4 (later-stage)
5
top sponsor: Sanofi Pasteur, a Sanofi Company

Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.

Active & Recent Trials

COMPLETED 10,000 participants

Post-marketing Safety Study of GSK Biologicals' Boostrix® Vaccine

GlaxoSmithKline

NCT00297856

COMPLETED Phase 3 4,209 participants

Immune Response and Safety Comparison of 3 Lots of GSK Biologicals' DTaP-IPV Candidate Vaccine to DTaP + IPV Vaccines

GlaxoSmithKline

NCT00148941

COMPLETED Phase 3 3,372 participants

Study of DTap-IPV Compared to DAPTACEL® and IPOL® as the 5th Dose in Children 4 to 6 Years of Age

Sanofi Pasteur, a Sanofi Company

NCT01346293

COMPLETED Phase 3 1,941 participants

Study of the Safety, Immunogenicity and Lot Comparability of DAPTACEL When Administered With Other Recommended Vaccine

Sanofi

NCT00662870

COMPLETED Phase 4 1,394 participants

Study of Menactra® in Healthy Subjects at 9 Months and Concomitantly With Pentacel® at 15 to 18 Months of Age

Sanofi Pasteur, a Sanofi Company

NCT01659996

COMPLETED Phase 4 1,344 participants

US-licensed Combined Vaccine Against Tetanus & Diphtheria, Given With US-licensed Vaccine Against Meningococcal Disease

GlaxoSmithKline

NCT00282295

COMPLETED Phase 3 1,332 participants

Evaluation of GlaxoSmithKline Biologicals' Boostrix® Vaccine in Comparison With Decavac™ Vaccine.

GlaxoSmithKline

NCT00835237

COMPLETED Phase 4 1,302 participants

Study of Adacel® Vaccine Administered to Persons 10 Years of Age

Sanofi

NCT01311557

COMPLETED Phase 4 989 participants

Study of DAPTACEL® Administered as a 5th Dose in 4 to 6-Year-Old Children Previously Immunized With PENTACEL™

Sanofi Pasteur, a Sanofi Company

NCT00802867

COMPLETED Phase 4 647 participants

Post-licensure, Modified Double-blind, Multi-center Study Evaluating Safety and Immunogenicity of ADACEL® and BOOSTRIX®

Sanofi

NCT00319553

COMPLETED Phase 4 545 participants

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

Sanofi Pasteur, a Sanofi Company

NCT00347958

COMPLETED Phase 4 423 participants

Immunogenicity of Adacel® and BOOSTRIX® Vaccines in Adolescents

Sanofi Pasteur, a Sanofi Company

NCT01629589

COMPLETED Phase 2 399 participants

Study on the Safety and Immunogenicity of Boostrix Vaccine in Pregnant Malian Women and Their Infants

National Institute of Allergy and Infectious Diseases (NIAID)

NCT03589768

COMPLETED Phase 1 80 participants

Pertussis Vaccine in Healthy Pregnant Women

National Institute of Allergy and Infectious Diseases (NIAID)

NCT00707148

COMPLETED Phase 4 20 participants

PFAS Exposure and Immune Response to Vaccination in Adults

Rutgers, The State University of New Jersey

NCT06588530

COMPLETED Phase 2 5 participants

Pentavalent DTaP-Hep B-IPV

National Institute of Allergy and Infectious Diseases (NIAID)

NCT00133445

Phase Distribution

PhaseTrial count
Phase 1 1
Phase 2 2
Phase 3 4
Phase 4 8

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Reading the Tetanus Trial Landscape

ClinicalTrials.gov lists 16 US studies indexed under Tetanus, and 0 of those are currently open to recruitment — roughly 0% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.

The phase distribution for Tetanus shows 12 late-stage studies (Phase 3 and Phase 4 combined) alongside 3 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.

Top sponsor activity for Tetanus is led by Sanofi Pasteur, a Sanofi Company with 5 indexed trials, alongside 4 other organizations in the top contributor list. The list on this page surfaces up to 16 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.

Frequently Asked Questions

How many clinical trials are there for Tetanus?

PlainTrial tracks 16 US clinical trials for Tetanus, of which 0 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Tetanus?

Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.

Is this data current?

Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.

Related

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

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