Trial intelligence / Profile preview

BPZE1 intranasal pertussis vaccine in school-age children

NCT05116241Phase 2

Key facts

Status
Completed
Start
Nov 2021
Primary completion
May 2024
Countries
3
Modality
Live Biotherapeutic Products, Vaccines & Immunotherapeutics
Drugs
BPZE1
Conditions
pertussis
01

Overview

Phase 2, randomised, double-blind trial in pertussis comparing BPZE1 + Placebo, BPZE1 + Boostrix and Placebo + Boostrix (3 arms). Primary endpoints: Geometric Mean Fold Rise of Mucosal Immunogenicity S-IgA Against Whole Cell Extract at 29 days and Solicited Adverse Events at 7 days. Started Nov 2021; status: completed.

02

Design

3 arms
Study design
RandomizedDouble-blind
  • BPZE1 + Placebo

    Intranasal BPZE1 and intramuscular placebo

  • BPZE1 + Boostrix

    Intranasal BPZE1 and intramuscular Boostrix

  • Placebo + Boostrix

    Intranasal placebo and intramuscular Boostrix (active comparator)

03

Who it enrols

Healthy school-age children aged 6-17 years without recent pertussis vaccination or infection, no chronic illnesses, no immunocompromised household contacts, and no infants under 6 months in household

04

Endpoints

Primary

  • Geometric Mean Fold Rise of Mucosal Immunogenicity S-IgA Against Whole Cell Extract

  • Solicited Adverse Events

Secondary

  • Proportion of Subjects With Antibody Concentration ≥0.1 for Diphtheria and Tetanus

  • Serum IgG Geometric Mean Concentration Against Acellular Pertussis Antigens

  • Mucosal Immunogenicity S-IgA Geometric Mean Ratio

  • Mucosal Immunogenicity S-IgA Geometric Mean Fold Rise

  • Serum Immunogenicity IgA and IgG Geometric Mean Concentration

  • Serum Immunogenicity IgA and IgG Geometric Mean Fold Rise

  • Reactogenicity and Adverse Events

  • Colonization

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