deltatrials
Unknown OBSERVATIONAL NCT05976594

Long-term Effectiveness of a Recombinant Hepatitis E Vaccine

Long-term Effectiveness of a Recombinant Hepatitis E Vaccine: a Test-negative Design Study

Sponsor: Dongtai Center for Disease Control and Prevention

Conditions Hepatitis E
Updated 4 times since 2023 Last updated: Aug 12, 2023 Started: Aug 12, 2023 Primary completion: Jul 1, 2025 Completion: Jul 1, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Hepatitis E and is currently ongoing. Dongtai Center for Disease Control and Prevention leads this study, which shows 4 recorded versions since 2023 — indicating limited longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.

Status Flow

~Sep 2023 – ~Jul 2024 · 10 months · monthly snapshotRecruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Oct 2025 · 13 months · monthly snapshotRecruiting~Oct 2025 – present · 9 months · monthly snapshotUnknown

Change History

4 versions recorded
  1. Oct 2025 — Present [monthly]

    Unknown

    Status: RecruitingUnknown

  2. Sep 2024 — Oct 2025 [monthly]

    Recruiting

  3. Jul 2024 — Sep 2024 [monthly]

    Recruiting

  4. Sep 2023 — Jul 2024 [monthly]

    Recruiting

    First recorded

Aug 2023

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Dongtai Center for Disease Control and Prevention
  • Dongtai Hospital of Traditional Chinese Medicine
  • Dongtai People's Hospital
  • Xiamen University
Data source: Xiamen University

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

Study Locations