deltatrials
Completed PHASE4 INTERVENTIONAL 4-arm NCT00694655

Human Immune Responses to Yellow Fever Vaccination

Sponsor: Emory University

Conditions Yellow Fever
Updated 15 times since 2017 Last updated: Sep 30, 2025 Started: May 31, 2008 Primary completion: Aug 29, 2024 Completion: Aug 29, 2024
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT00694655, this PHASE4 trial focuses on Yellow Fever and remains completed. Sponsored by Emory University, it has been updated 15 times since 2008, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshot~Feb 2017 – ~Oct 2017 · 8 months · monthly snapshot~Oct 2017 – ~Jun 2018 · 8 months · monthly snapshot~Jun 2018 – ~Nov 2018 · 5 months · monthly snapshot~Nov 2018 – ~Nov 2019 · 12 months · monthly snapshot~Nov 2019 – ~Jan 2021 · 14 months · monthly snapshot~Jan 2021 – ~Nov 2021 · 10 months · monthly snapshot~Nov 2021 – ~Jan 2023 · 14 months · monthly snapshot~Jan 2023 – ~Jan 2024 · 12 months · monthly snapshot~Jan 2024 – ~May 2024 · 4 months · monthly snapshot~May 2024 – ~Jul 2024 · 2 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~May 2025 · 8 months · monthly snapshot~May 2025 – ~Nov 2025 · 6 months · monthly snapshot~Nov 2025 – present · 10 months · monthly snapshot

Change History

15 versions recorded
  1. Nov 2025 — Present [monthly]

    Completed PHASE4

  2. May 2025 — Nov 2025 [monthly]

    Completed PHASE4

    Status: RecruitingCompleted

  3. Sep 2024 — May 2025 [monthly]

    Recruiting PHASE4

  4. Jul 2024 — Sep 2024 [monthly]

    Recruiting PHASE4

  5. May 2024 — Jul 2024 [monthly]

    Recruiting PHASE4

Show 10 earlier versions
  1. Jan 2024 — May 2024 [monthly]

    Recruiting PHASE4

  2. Jan 2023 — Jan 2024 [monthly]

    Recruiting PHASE4

    Status: Active Not RecruitingRecruiting · Phase: NAPHASE4

  3. Nov 2021 — Jan 2023 [monthly]

    Active Not Recruiting NA

  4. Jan 2021 — Nov 2021 [monthly]

    Active Not Recruiting NA

  5. Nov 2019 — Jan 2021 [monthly]

    Active Not Recruiting NA

  6. Nov 2018 — Nov 2019 [monthly]

    Active Not Recruiting NA

    Status: RecruitingActive Not Recruiting

  7. Jun 2018 — Nov 2018 [monthly]

    Recruiting NA

  8. Oct 2017 — Jun 2018 [monthly]

    Recruiting NA

  9. Feb 2017 — Oct 2017 [monthly]

    Recruiting NA

  10. Jan 2017 — Feb 2017 [monthly]

    Recruiting NA

    First recorded

May 2008

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Emory University
  • National Institute of Allergy and Infectious Diseases (NIAID)
  • National Institutes of Health (NIH)
Data source: Emory University

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

Study Locations