deltatrials
Completed PHASE2 INTERVENTIONAL 3-arm NCT05116241

Immunogenicity and Safety of BPZE1 Intranasal Pertussis Vaccine in Healthy School-age Children

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™)

Sponsor: ILiAD Biotechnologies

Updated 12 times since 2021 Last updated: Oct 23, 2025 Started: Nov 11, 2021 Primary completion: May 15, 2024 Completion: May 15, 2024
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT05116241, this PHASE2 trial focuses on Bordetella Pertussis, Whooping Cough and remains completed. Sponsored by ILiAD Biotechnologies, it has been updated 12 times since 2021, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Dec 2021 – ~Feb 2022 · 2 months · monthly snapshot~Feb 2022 – ~Sep 2022 · 7 months · monthly snapshotRecruiting~Sep 2022 – ~Nov 2022 · 2 months · monthly snapshot~Nov 2022 – ~Apr 2023 · 5 months · monthly snapshotRecruiting~Apr 2023 – ~Jun 2023 · 2 months · monthly snapshot~Jun 2023 – ~Oct 2023 · 4 months · monthly snapshot~Oct 2023 – ~Jan 2024 · 3 months · monthly snapshot~Jan 2024 – ~Jul 2024 · 6 months · monthly snapshotActive Not Recruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Feb 2025 · 5 months · monthly snapshotActive Not Recruiting~Feb 2025 – ~Dec 2025 · 10 months · monthly snapshotCompleted~Dec 2025 – present · 7 months · monthly snapshotCompleted

Change History

12 versions recorded
  1. Dec 2025 — Present [monthly]

    Completed PHASE2

  2. Feb 2025 — Dec 2025 [monthly]

    Completed PHASE2

    Status: Active Not RecruitingCompleted

  3. Sep 2024 — Feb 2025 [monthly]

    Active Not Recruiting PHASE2

  4. Jul 2024 — Sep 2024 [monthly]

    Active Not Recruiting PHASE2

  5. Jan 2024 — Jul 2024 [monthly]

    Active Not Recruiting PHASE2

    Status: RecruitingActive Not Recruiting

Show 7 earlier versions
  1. Oct 2023 — Jan 2024 [monthly]

    Recruiting PHASE2

  2. Jun 2023 — Oct 2023 [monthly]

    Recruiting PHASE2

  3. Apr 2023 — Jun 2023 [monthly]

    Recruiting PHASE2

  4. Nov 2022 — Apr 2023 [monthly]

    Recruiting PHASE2

  5. Sep 2022 — Nov 2022 [monthly]

    Recruiting PHASE2

  6. Feb 2022 — Sep 2022 [monthly]

    Recruiting PHASE2

    Status: Not Yet RecruitingRecruiting

  7. Dec 2021 — Feb 2022 [monthly]

    Not Yet Recruiting PHASE2

    First recorded

Nov 2021

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • ILiAD Biotechnologies
Data source: ILiAD Biotechnologies

For direct contact, visit the study record on ClinicalTrials.gov .