CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 368 enrolled
Drug / intervention
BPZE1 pertussis vaccine and placebo +2 morebiological
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05116241
NCT05116241Phase 2Completed

Phase 2b Placebo-Controlled Randomized Study of BPZE1 Intranasal Pertussis Vaccine in Healthy School-Age Children to Assess Immunological Response and Safety of a Single Dose BPZE1 With/Without Coadministration of Tdap (Boostrix™)

ILiAD Biotechnologies·interventional·Posted Nov 10, 2021·Updated Nov 6, 2025

In Brief

A Phase 2 clinical trial evaluating BPZE1 pertussis vaccine and placebo, BPZE1 pertussis vaccine and Boostrix, and 1 other intervention for Bordetella Pertussis, Whooping Cough. Completed, enrolled 368 participants across 16 sites in 3 countries.

Detailed Summary

This study evaluates the safety and immunogenicity of the BPZE1 live, attenuated pertussis vaccine, intended to prevent nasopharyngeal colonization and pertussis disease, and compares BPZE1 vaccine vs Boostrix vaccine vs both BPZE1 and Boostrix vaccines. This is a multi-center, randomized, placebo- and active-comparator-controlled study in healthy, school-age children with a 6-month safety follow-up after the first vaccination.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesAustralia, Costa Rica, United Kingdom
Collaborators--

Timeline

Phase 2CompletedFinished
20222023202420252026
First PostedNov 10, 2021
Enrollment StartNov 11, 2021
Primary CompletionMay 15, 2024
TodayJul 2, 2026
Enrollment to primary: 2.5 yearsPosted 4.6 years ago

Interventions

BPZE1 pertussis vaccine and placebobiological

Live attenuated pertussis vaccine and placebo

BPZE1 pertussis vaccine and Boostrixbiological

Live attenuated pertussis vaccine and tetanus, diphtheria, and aP vaccine

Placebo and Boostrixbiological

Tetanus, diphtheria, and aP vaccine and placebo