deltatrials
Completed PHASE2 INTERVENTIONAL 6-arm NCT03589807

2013/2017 H7N9 Prime-Boost Interval

A Phase II Study to Assess the Safety, Reactogenicity and Immunogenicity of Different Prime-Boost Vaccination Schedules of 2013 and 2017 A/H7N9 Inactivated Influenza Vaccines Administered Intramuscularly With or Without AS03 Adjuvant in Healthy Adults 19-50 Years of Age

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Conditions Avian Influenza Influenza Immunisation
Interventions A/H7N9 AS03 Influenza Virus Vaccine, Monovalent A/H7N9 A/Shanghai/2/2013 Phosphate Buffered Saline (PBS) diluent
Updated 28 times since 2018 Last updated: Jul 8, 2021 Started: Aug 21, 2018 Primary completion: Jun 14, 2020 Completion: Jun 14, 2020
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE2 clinical study on Avian Influenza and Influenza Immunisation, this trial is completed. The trial is conducted by National Institute of Allergy and Infectious Diseases (NIAID) and has accumulated 28 data snapshots since 2018. Infectious disease trials contribute critical data for public health response and treatment development.

Status Flow

~Aug 2018 – ~Sep 2018 · 31 days · monthly snapshot~Sep 2018 – ~Oct 2018 · 30 days · monthly snapshot~Oct 2018 – ~Nov 2018 · 31 days · monthly snapshot~Nov 2018 – ~Dec 2018 · 30 days · monthly snapshot~Dec 2018 – ~Jan 2019 · 31 days · monthly snapshot~Jan 2019 – ~Mar 2019 · 59 days · monthly snapshot~Mar 2019 – ~Aug 2019 · 5 months · monthly snapshot~Aug 2019 – ~Sep 2019 · 31 days · monthly snapshot~Sep 2019 – ~Oct 2019 · 30 days · monthly snapshot~Oct 2019 – ~Nov 2019 · 31 days · monthly snapshot~Nov 2019 – ~Dec 2019 · 30 days · monthly snapshot~Dec 2019 – ~Jan 2020 · 31 days · monthly snapshot~Jan 2020 – ~Feb 2020 · 31 days · monthly snapshot~Feb 2020 – ~Mar 2020 · 29 days · monthly snapshot~Mar 2020 – ~Apr 2020 · 31 days · monthly snapshot~Apr 2020 – ~May 2020 · 30 days · monthly snapshot~May 2020 – ~Jun 2020 · 31 days · monthly snapshot~Jun 2020 – ~Jul 2020 · 30 days · monthly snapshot~Jul 2020 – ~Aug 2020 · 31 days · monthly snapshot~Aug 2020 – ~Sep 2020 · 31 days · monthly snapshot~Sep 2020 – ~Nov 2020 · 2 months · monthly snapshot~Nov 2020 – ~Dec 2020 · 30 days · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Sep 2021 · 8 months · monthly snapshot~Sep 2021 – ~Jul 2024 · 34 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 10 months · monthly snapshot

Change History

28 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed PHASE2

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE2

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE2

  4. Sep 2021 — Jul 2024 [monthly]

    Completed PHASE2

  5. Jan 2021 — Sep 2021 [monthly]

    Completed PHASE2

▶ Show 23 earlier versions

  1. Dec 2020 — Jan 2021 [monthly]

    Completed PHASE2

  2. Nov 2020 — Dec 2020 [monthly]

    Completed PHASE2

  3. Sep 2020 — Nov 2020 [monthly]

    Completed PHASE2

    Status: Active Not Recruiting → Completed

  4. Aug 2020 — Sep 2020 [monthly]

    Active Not Recruiting PHASE2

  5. Jul 2020 — Aug 2020 [monthly]

    Active Not Recruiting PHASE2

  6. Jun 2020 — Jul 2020 [monthly]

    Active Not Recruiting PHASE2

  7. May 2020 — Jun 2020 [monthly]

    Active Not Recruiting PHASE2

  8. Apr 2020 — May 2020 [monthly]

    Active Not Recruiting PHASE2

  9. Mar 2020 — Apr 2020 [monthly]

    Active Not Recruiting PHASE2

  10. Feb 2020 — Mar 2020 [monthly]

    Active Not Recruiting PHASE2

  11. Jan 2020 — Feb 2020 [monthly]

    Active Not Recruiting PHASE2

  12. Dec 2019 — Jan 2020 [monthly]

    Active Not Recruiting PHASE2

  13. Nov 2019 — Dec 2019 [monthly]

    Active Not Recruiting PHASE2

  14. Oct 2019 — Nov 2019 [monthly]

    Active Not Recruiting PHASE2

  15. Sep 2019 — Oct 2019 [monthly]

    Active Not Recruiting PHASE2

  16. Aug 2019 — Sep 2019 [monthly]

    Active Not Recruiting PHASE2

  17. Mar 2019 — Aug 2019 [monthly]

    Active Not Recruiting PHASE2

  18. Jan 2019 — Mar 2019 [monthly]

    Active Not Recruiting PHASE2

  19. Dec 2018 — Jan 2019 [monthly]

    Active Not Recruiting PHASE2

    Status: Recruiting → Active Not Recruiting

  20. Nov 2018 — Dec 2018 [monthly]

    Recruiting PHASE2

  21. Oct 2018 — Nov 2018 [monthly]

    Recruiting PHASE2

  22. Sep 2018 — Oct 2018 [monthly]

    Recruiting PHASE2

    Status: Not Yet Recruiting → Recruiting

  23. Aug 2018 — Sep 2018 [monthly]

    Not Yet Recruiting PHASE2

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • National Institute of Allergy and Infectious Diseases (NIAID)
Data source: National Institute of Allergy and Infectious Diseases (NIAID)

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

Study Locations