deltatrials
Unknown OBSERVATIONAL NCT03192800

Clinical Outcome in Patients With Spinal Dural Arteriovenous Fistulas (COPSDAVF) (COPSDAVF)

Clinical Outcome in Patients With Spinal Dural Arteriovenous Fistulas

Sponsor: Beijing Haidian Hospital

Updated 10 times since 2017 Last updated: Apr 21, 2021 Started: Mar 1, 2013 Primary completion: Mar 31, 2023 Completion: Mar 31, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT03192800, this observational or N/A phase trial focuses on Spinal Vascular Disorder Nos and remains ongoing. Sponsored by Beijing Haidian Hospital, it has been updated 10 times since 2013, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jul 2017 – ~Apr 2018 · 9 months · monthly snapshotRecruiting~Apr 2018 – ~May 2018 · 30 days · monthly snapshotRecruiting~May 2018 – ~Jun 2018 · 31 days · monthly snapshotRecruiting~Jun 2018 – ~May 2020 · 23 months · monthly snapshotRecruiting~May 2020 – ~Jan 2021 · 8 months · monthly snapshotUnknown Status~Jan 2021 – ~May 2021 · 4 months · monthly snapshotUnknown Status~May 2021 – ~Jul 2024 · 38 months · monthly snapshotRecruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotRecruiting~Sep 2024 – ~May 2025 · 8 months · monthly snapshotRecruiting~May 2025 – present · 14 months · monthly snapshotUnknown

Change History

10 versions recorded
  1. May 2025 — Present [monthly]

    Unknown

    Status: RecruitingUnknown

  2. Sep 2024 — May 2025 [monthly]

    Recruiting

  3. Jul 2024 — Sep 2024 [monthly]

    Recruiting

  4. May 2021 — Jul 2024 [monthly]

    Recruiting

    Status: Unknown StatusRecruiting

  5. Jan 2021 — May 2021 [monthly]

    Unknown Status

Show 5 earlier versions
  1. May 2020 — Jan 2021 [monthly]

    Unknown Status

    Status: RecruitingUnknown Status

  2. Jun 2018 — May 2020 [monthly]

    Recruiting

  3. May 2018 — Jun 2018 [monthly]

    Recruiting

  4. Apr 2018 — May 2018 [monthly]

    Recruiting

    Phase: NANone

  5. Jul 2017 — Apr 2018 [monthly]

    Recruiting NA

    First recorded

Mar 2013

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Beijing Haidian Hospital
  • Hongqi Zhang, MD
Data source: Xuanwu Hospital, Beijing

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

Study Locations