# Effectiveness of Adacel Vaccination in Pregnancy at Preventing Pertussis in Infants < 2 Months of Age in the United States

> **NCT05040802** · — · COMPLETED · sponsor: **Sanofi Pasteur, a Sanofi Company** · enrollment: 462 (actual)

## Conditions studied

- Pertussis (Whooping Cough)

## Interventions

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

## Key facts

- **NCT ID:** NCT05040802
- **Lead sponsor:** Sanofi Pasteur, a Sanofi Company
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-06-02
- **Primary completion:** 2021-10-04
- **Final completion:** 2021-10-04
- **Target enrollment:** 462 (ACTUAL)
- **Last updated:** 2023-04-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05040802

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05040802, "Effectiveness of Adacel Vaccination in Pregnancy at Preventing Pertussis in Infants < 2 Months of Age in the United States". Retrieved via AI Analytics 2026-05-22 from https://api.ai-analytics.org/clinical/NCT05040802. Licensed CC0.

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