# Safety of Tetanus, Diphtheria, Acellular Pertussis With 5 Acellular Pertussis Components (Tdap5) Vaccination During Pregnancy

> **NCT06258057** · — · ACTIVE_NOT_RECRUITING · sponsor: **Sanofi** · enrollment: 365000 (estimated)

## Conditions studied

- Pertussis (Whooping Cough)

## Interventions

- **OTHER:** Not applicable / database analysis

## Key facts

- **NCT ID:** NCT06258057
- **Lead sponsor:** Sanofi
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2024-01-02
- **Primary completion:** 2026-12-31
- **Final completion:** 2026-12-31
- **Target enrollment:** 365000 (ESTIMATED)
- **Last updated:** 2026-04-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06258057

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06258057, "Safety of Tetanus, Diphtheria, Acellular Pertussis With 5 Acellular Pertussis Components (Tdap5) Vaccination During Pregnancy". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT06258057. Licensed CC0.

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