Phase I/III Clinical Trial of Adsorbed Tetanus Vaccine
A Randomized, Blinded, Parallel-Controlled Phase I/III Clinical Trial to Evaluate the Safety and Immunogenicity of Adsorbed Tetanus Vaccine in Healthy Individuals Aged 18-43 Years
1 other identifier
interventional
1,240
1 country
1
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
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3
Started Feb 2024
Shorter than P25 for phase_3
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 29, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 23, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
December 23, 2024
CompletedFirst Submitted
Initial submission to the registry
July 28, 2026
CompletedFirst Posted
Study publicly available on registry
August 3, 2026
CompletedAugust 3, 2026
July 1, 2026
10 months
July 28, 2026
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
EXPERIMENTAL620 participant
control group
ACTIVE COMPARATOR620
Interventions
The study group's vaccines had been produced by Beijing Minhai Biotechnology Co., Ltd. Liquid formulation. 0.5 mL/vial.
Eligibility Criteria
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
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
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