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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

Name: 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 — clinical trial record (NCT07596173)
Creator: DataLookout
License: https://creativecommons.org/licenses/by/4.0/

StatusActive, Not Recruiting

PhasePhase 3

SponsorGlaxoSmithKline

Started2026-06-29

View on ClinicalTrials.gov ↗

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.

Amendment history 3 changes detected by DataLookout

2026-08-18

Enrollment closed, study ongoing

2026-07-09

Recruitment opened

2026-07-09

Trial sites expanded: 0 → 9 locations

Trial Details

NCT Number	NCT07596173
Lead Sponsor	GlaxoSmithKline
Conditions	Diphtheria-Tetanus-acellular Pertussis Vaccines
Enrollment	90 participants
Start Date	2026-06-29
Primary Completion	2026-09-16 (estimated)
Study Completion	2026-09-16 (estimated)
Updated on ClinicalTrials.gov	2026-08-17