deltatrials
Completed OBSERVATIONAL NCT05240742

CORona (COVID-19) Follow Up Study: Epidemiology, Pathophysiology, Prediction, and Communication (CORFU)

Persistent Complaints After COVID-19: Epidemiology, Pathophysiology, Prediction, and Communication, the CORona Follow Up (CORFU) Study

Sponsor: Adelante, Centre of Expertise in Rehabilitation and Audiology

Updated 6 times since 2022 Last updated: Sep 25, 2025 Started: Oct 1, 2021 Primary completion: Jan 1, 2024 Completion: Nov 1, 2024
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 COVID-19 and Long COVID and is currently completed. Adelante, Centre of Expertise in Rehabilitation and Audiology leads this study, which shows 6 recorded versions since 2021 — indicating limited longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.

Status Flow

~Mar 2022 – ~May 2022 · 2 months · monthly snapshot~May 2022 – ~Nov 2023 · 18 months · monthly snapshotEnrolling By Invitation~Nov 2023 – ~Jul 2024 · 8 months · monthly snapshotEnrolling By Invitation~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Nov 2025 · 14 months · monthly snapshotEnrolling By Invitation~Nov 2025 – present · 8 months · monthly snapshotCompleted

Change History

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

    Completed

    Status: Enrolling By InvitationCompleted

  2. Sep 2024 — Nov 2025 [monthly]

    Enrolling By Invitation

  3. Jul 2024 — Sep 2024 [monthly]

    Enrolling By Invitation

  4. Nov 2023 — Jul 2024 [monthly]

    Enrolling By Invitation

  5. May 2022 — Nov 2023 [monthly]

    Enrolling By Invitation

Show 1 earlier version
  1. Mar 2022 — May 2022 [monthly]

    Enrolling By Invitation

    First recorded

Oct 2021

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Adelante, Centre of Expertise in Rehabilitation and Audiology
  • Amsterdam University Medical Center
  • Leiden University Medical Center
  • Maastricht University Medical Center
  • Radboud University Medical Center
  • UMC Utrecht
  • Zuyderland Medical Centre
Data source: Maastricht University Medical Center

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

Study Locations