deltatrials
Unknown PHASE4 INTERVENTIONAL 2-arm NCT02297542

Immune Response to High-Dose vs. Standard Dose Influenza Vaccine

Sponsor: Health Sciences North Research Institute

Conditions Elderly Immune System
Interventions Flu Vaccine
Updated 11 times since 2017 Last updated: Jul 31, 2018 Started: Oct 31, 2014 Primary completion: Dec 31, 2019 Completion: Dec 31, 2019
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE4 clinical study on Elderly Immune System, this trial is ongoing. The trial is conducted by Health Sciences North Research Institute and has accumulated 11 data snapshots since 2014. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshotActive Not Recruiting~Feb 2017 – ~Mar 2018 · 13 months · monthly snapshotActive Not Recruiting~Mar 2018 – ~Jun 2018 · 3 months · monthly snapshotActive Not Recruiting~Jun 2018 – ~Aug 2018 · 2 months · monthly snapshotActive Not Recruiting~Aug 2018 – ~Mar 2020 · 19 months · monthly snapshotActive Not Recruiting~Mar 2020 – ~Jan 2021 · 10 months · monthly snapshotUnknown Status~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotUnknown Status~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotUnknown~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotUnknown~Sep 2025 – present · 7 months · monthly snapshotUnknown~Jan 2026 – present · 3 months · monthly snapshotUnknown

Change History

11 versions recorded

  1. Jan 2026 — Present [monthly]

    Unknown PHASE4

  2. Sep 2025 — Present [monthly]

    Unknown PHASE4

  3. Sep 2024 — Sep 2025 [monthly]

    Unknown PHASE4

  4. Jul 2024 — Sep 2024 [monthly]

    Unknown PHASE4

    Status: Unknown Status → Unknown

  5. Jan 2021 — Jul 2024 [monthly]

    Unknown Status PHASE4

▶ Show 6 earlier versions

  1. Mar 2020 — Jan 2021 [monthly]

    Unknown Status PHASE4

    Status: Active Not Recruiting → Unknown Status

  2. Aug 2018 — Mar 2020 [monthly]

    Active Not Recruiting PHASE4

  3. Jun 2018 — Aug 2018 [monthly]

    Active Not Recruiting PHASE4

  4. Mar 2018 — Jun 2018 [monthly]

    Active Not Recruiting PHASE4

  5. Feb 2017 — Mar 2018 [monthly]

    Active Not Recruiting PHASE4

  6. Jan 2017 — Feb 2017 [monthly]

    Active Not Recruiting PHASE4

    First recorded

Oct 2014

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Health Sciences North Research Institute
  • UConn Health
Data source: Health Sciences North Research Institute

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

Study Locations