deltatrials
Completed PHASE4 INTERVENTIONAL 2-arm NCT03104790

Assessment of Viral Shedding in Children Previously in Receipt of Multiple Doses of Live Attenuated Influenza Vaccine (LAIV) Compared to Influenza Vaccine-naïve Controls (Flushed)

Sponsor: Public Health England

Conditions Influenza Influenza Vaccination Vaccination
Interventions Fluenz Tetra (The two groups are defined by immunisation history, all receive the same intervention in the study)
Updated 7 times since 2017 Last updated: Aug 27, 2019 Started: Oct 2, 2017 Primary completion: Mar 13, 2018 Completion: Mar 13, 2018
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE4 trial investigates Influenza and Influenza Vaccination and is currently completed. Public Health England leads this study, which shows 7 recorded versions since 2017 — indicating limited longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.

Status Flow

~May 2017 – ~Jun 2018 · 13 months · monthly snapshotNot Yet Recruiting~Jun 2018 – ~Apr 2019 · 10 months · monthly snapshotNot Yet Recruiting~Apr 2019 – ~Sep 2019 · 5 months · monthly snapshotCompleted~Sep 2019 – ~Jan 2021 · 16 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

7 versions recorded

  1. Sep 2024 — Present [monthly]

    Completed PHASE4

  2. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE4

  3. Jan 2021 — Jul 2024 [monthly]

    Completed PHASE4

  4. Sep 2019 — Jan 2021 [monthly]

    Completed PHASE4

  5. Apr 2019 — Sep 2019 [monthly]

    Completed PHASE4

    Status: Not Yet Recruiting → Completed

▶ Show 2 earlier versions

  1. Jun 2018 — Apr 2019 [monthly]

    Not Yet Recruiting PHASE4

  2. May 2017 — Jun 2018 [monthly]

    Not Yet Recruiting PHASE4

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Public Health England
Data source: Public Health England

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

Study Locations