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

2 trials

Sponsors

Ogawa Masayuki

Conditions

Passive protection against pertussis in early infancy following maternal immunisation during pregnanPrevention of infectious disease caused by pertussis, diphtheria, and tetanus

Phase 3

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.

RecruitingJPRN-jRCT2031260187

Ogawa MasayukiPrevention of infectious disease caused by pertussis, diphtheria, and tetanus

Start: 2026-06-29Target: 85Updated: 2026-09-14

A study on the immune response and safety of a combined vaccine against diphtheria, tetanus and acellular pertussis (dTpa) in Japanese healthy pregnant women.

RecruitingJPRN-jRCT2031260190

Ogawa MasayukiPassive protection against pertussis in early infancy following maternal immunisation during pregnan

Start: 2026-06-29Target: 95Updated: 2026-09-14