RecruitingPhase 3NCT07596173

A Study on the Immune Response and Safety of a Combined Vaccine Against Diphtheria, Tetanus and Acellular Pertussis (dTpa) in Healthy Japanese Adolescents Aged 11 Years to <13 Years

A Phase 3, Non-randomized, Single-arm, Open-label Study to Assess the Immunogenicity, Safety and Reactogenicity of Combined Reduced-antigen-content Diphtheria, Tetanus and Acellular Pertussis (dTpa) Vaccine, Administered as a Booster Dose in Healthy Japanese Adolescents Aged 11 Years to <13 Years


Sponsor

GlaxoSmithKline

Enrollment

85 participants

Start Date

Jun 29, 2026

Study Type

INTERVENTIONAL

Conditions

Summary

The purpose of the study is to assess the immune response, reactogenicity and safety of a booster dose of dTpa vaccine 1 month after vaccination in healthy Japanese participants aged 11 to \<13 years.


Eligibility

Min Age: 11 YearsMax Age: 12 Years

Plain Language Summary

Simplified for easier understanding

This clinical trial is studying a biological treatment called dTpa vaccine for people with diphtheria-tetanus-acellular pertussis vaccines. The study is currently recruiting participants at 9 locations. People eligible for this study include aged 11 Years to 12 Years.

This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.

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Interventions

BIOLOGICALdTpa vaccine

Combined reduced antigen content diphtheria, tetanus and acellular pertussis (dTpa) vaccine administered at Day 1.


Locations(9)

GSK Investigational Site

Fukuoka, Japan

GSK Investigational Site

Hokkaido, Japan

GSK Investigational Site

Hokkaido, Japan

GSK Investigational Site

Hokkaido, Japan

GSK Investigational Site

Kumamoto, Japan

GSK Investigational Site

Mie, Japan

GSK Investigational Site

Osaka, Japan

GSK Investigational Site

Saitama, Japan

GSK Investigational Site

Saitama, Japan

View Full Details on ClinicalTrials.gov

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NCT07596173


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