# A Clinical Study on Immunogenicity Persistence of Adsorbed 5-component Acellular Pertussis, Diphtheria and Tetanus Combined Vaccine

> **NCT07744347** · — · NOT_YET_RECRUITING · sponsor: **CanSino Biologics Inc.** · enrollment: 160 (estimated)

## Conditions studied

- Diphtheria
- Tetanus
- Pertussis

## Interventions

- **OTHER:** Previously received the Tdcp vaccine at age 18 and older
- **OTHER:** Previously received the Tdcp vaccine at age 12-17
- **OTHER:** Previously received the Tdcp vaccine at age 6-11
- **OTHER:** Previously received the DT vaccine at age 6-11

## Key facts

- **NCT ID:** NCT07744347
- **Lead sponsor:** CanSino Biologics Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-10-15
- **Primary completion:** 2033-10-15
- **Final completion:** 2033-10-15
- **Target enrollment:** 160 (ESTIMATED)
- **Last updated:** 2026-08-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07744347

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07744347, "A Clinical Study on Immunogenicity Persistence of Adsorbed 5-component Acellular Pertussis, Diphtheria and Tetanus Combined Vaccine". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07744347. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*