# Pertussis Challenge Study in Adults Vaccinated With BPZE1

> **NCT05461131** · PHASE2 · COMPLETED · sponsor: **ILiAD Biotechnologies** · enrollment: 53 (actual)

## Conditions studied

- Pertussis/Whooping Cough
- Bordetella Pertussis, Whooping Cough

## Interventions

- **BIOLOGICAL:** BPZE1
- **BIOLOGICAL:** Placebo
- **DRUG:** Azithromycin
- **OTHER:** Bordetella Pertussis Challenge Strain

## Key facts

- **NCT ID:** NCT05461131
- **Lead sponsor:** ILiAD Biotechnologies
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2022-06-20
- **Primary completion:** 2023-07-25
- **Final completion:** 2023-10-26
- **Target enrollment:** 53 (ACTUAL)
- **Last updated:** 2025-03-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05461131

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05461131, "Pertussis Challenge Study in Adults Vaccinated With BPZE1". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT05461131. Licensed CC0.

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