NCT07740733

Brief Summary

The study aimed to evaluate the safety and immunogenicity of an adsorbed tetanus vaccine in healthy individuals between 18 and 43 years of age.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1,240

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Feb 2024

Shorter than P25 for phase_3

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 29, 2024

Completed
10 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 23, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 23, 2024

Completed
1.6 years until next milestone

First Submitted

Initial submission to the registry

July 28, 2026

Completed
6 days until next milestone

First Posted

Study publicly available on registry

August 3, 2026

Completed
Last Updated

August 3, 2026

Status Verified

July 1, 2026

Enrollment Period

10 months

First QC Date

July 28, 2026

Last Update Submit

July 28, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Tetanus antibody seroconversion rate at 30 days post-immunization.

    From enrollment to completion of all follow-up visits, up to 180 days.

Study Arms (2)

study group

EXPERIMENTAL

620 participant

Biological: Tetanus Toxoid (Adsorbed)

control group

ACTIVE COMPARATOR

620

Biological: Tetanus Toxoid (Adsorbed)

Interventions

The study group's vaccines had been produced by Beijing Minhai Biotechnology Co., Ltd. Liquid formulation. 0.5 mL/vial.

study group

Eligibility Criteria

Age18 Years - 43 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy local residents aged 18-43 years;
  • Obtain informed consent from volunteers and have them sign the informed consent form.
  • Able to comply with the requirements of the clinical trial protocol;
  • Axillary temperature ≤37.0°C.

You may not qualify if:

  • History of tetanus infection;
  • Receipt of tetanus vaccine or a vaccine containing tetanus toxoid antigen within 10 years, or tetanus immunoglobulin within 6 months;
  • Known allergy to vaccine components or history of severe post-vaccination allergy;
  • History of epilepsy, seizures, convulsion or family history of psychiatric illness;
  • Immunodeficiency, immunosuppressive / immunostimulatory therapy within 3 months (\>14 days continuous oral/IV), or Immunocompromised individuals due to HIV;
  • Asplenia or functional splenic deficiency due to any cause;
  • Congenital anomalies, developmental disorders, or severe chronic diseases (e.g., Down syndrome, diabetes, sickle cell disease, neurological disorders, Guillain-Barré syndrome);
  • Known or suspected co-existing conditions include: severe respiratory, cardiovascular, hepatorenal diseases, uncontrolled hypertension on medication, malignancy, acute infections, or active chronic diseases;
  • Clinically diagnosed coagulation abnormalities (e.g., coagulation factor deficiencies, coagulopathies, platelet disorders) or Coagulation disorder;
  • Blood product use within 3 months;
  • Token another investigational drug study within 1 month;
  • Live attenuated vaccine within 14 days;
  • Subunit/inactivated vaccine within 7 days;
  • (13) Fever (≥38.0°C) or use of antipyretic/analgesic/anti-allergic drugs within 3 days; (14) Any other condition was deemed by the investigator to preclude trial participation.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Guangdong Provincial Center for Diseases Control and Prevention

Guangzhou, Guangdong, 510440, China

Location

MeSH Terms

Conditions

Tetanus

Interventions

Tetanus Toxoid

Condition Hierarchy (Ancestors)

Clostridium InfectionsGram-Positive Bacterial InfectionsBacterial InfectionsBacterial Infections and MycosesInfections

Intervention Hierarchy (Ancestors)

ToxoidsVaccinesBiological ProductsComplex Mixtures

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 28, 2026

First Posted

August 3, 2026

Study Start

February 29, 2024

Primary Completion

December 23, 2024

Study Completion

December 23, 2024

Last Updated

August 3, 2026

Record last verified: 2026-07

Locations