deltatrials
Recruiting PHASE4 INTERVENTIONAL 4-arm NCT07240922

The Dynamics of the Immune Responses to Repeat Influenza Vaccination Exposures (DRIVE III) Study (DRIVE III)

The Dynamics of the Immune Responses to Repeat Influenza Vaccination Exposures (DRIVE III) Study - a Randomized Controlled Trial

Sponsor: The University of Hong Kong

Conditions Influenza
Interventions Live attenuated influenza vaccine Placebo injection Placebo nasal spray recombinant hemagglutinin influenza vaccine
Updated 2 times since 2025 Last updated: Dec 2, 2025 Started: Oct 1, 2025 Primary completion: Oct 1, 2030 Completion: Oct 1, 2030
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT07240922, this PHASE4 trial focuses on Influenza and remains actively recruiting participants. Sponsored by The University of Hong Kong, it has been updated 2 times since 2025, reflecting limited change activity. This study is part of the global effort to build evidence for infectious disease interventions.

Status Flow

~Dec 2025 – ~Jan 2026 · 31 days · monthly snapshotRecruiting~Jan 2026 – present · 6 months · monthly snapshotRecruiting

Change History

2 versions recorded

  1. Jan 2026 — Present [monthly]

    Recruiting PHASE4

  2. Dec 2025 — Jan 2026 [monthly]

    Recruiting PHASE4

    First recorded

Oct 2025

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • The University of Hong Kong
Data source: The University of Hong Kong

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

Study Locations