deltatrials
Terminated NA INTERVENTIONAL 2-arm NCT04988503

Bare Platinum Coils Versus Second-generation Hydrocoils

Bare Platinum Coils Versus Second-generation Hydrocoils for the Endovascular Treatment of Ruptured Intracranial Aneurysms: a Randomized Controlled Study

Sponsor: Chungnam National University Sejong Hospital

Interventions Coil embolization
Updated 10 times since 2021 Last updated: Jul 21, 2025 Started: Aug 30, 2021 Primary completion: Feb 28, 2025 Completion: Feb 28, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Due to HEC supply issues at participating centers and low enrollment rate among eligible patients

A NA clinical study on Aneurysm, Ruptured and Intracranial Aneurysm, this trial is terminated or withdrawn. The trial is conducted by Chungnam National University Sejong Hospital and has accumulated 10 data snapshots since 2021. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Sep 2021 – ~Jan 2022 · 4 months · monthly snapshotNot Yet Recruiting~Jan 2022 – ~Sep 2022 · 8 months · monthly snapshotRecruiting~Sep 2022 – ~Nov 2022 · 2 months · monthly snapshotRecruiting~Nov 2022 – ~Feb 2024 · 15 months · monthly snapshotRecruiting~Feb 2024 – ~Jul 2024 · 5 months · monthly snapshotRecruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotRecruiting~Sep 2024 – ~Jun 2025 · 9 months · monthly snapshotRecruiting~Jun 2025 – ~Aug 2025 · 2 months · monthly snapshotActive Not Recruiting~Aug 2025 – ~Sep 2025 · 31 days · monthly snapshotTerminated~Sep 2025 – present · 10 months · monthly snapshotTerminated

Change History

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

    Terminated NA

  2. Aug 2025 — Sep 2025 [monthly]

    Terminated NA

    Status: Active Not RecruitingTerminated

  3. Jun 2025 — Aug 2025 [monthly]

    Active Not Recruiting NA

    Status: RecruitingActive Not Recruiting

  4. Sep 2024 — Jun 2025 [monthly]

    Recruiting NA

  5. Jul 2024 — Sep 2024 [monthly]

    Recruiting NA

Show 5 earlier versions
  1. Feb 2024 — Jul 2024 [monthly]

    Recruiting NA

  2. Nov 2022 — Feb 2024 [monthly]

    Recruiting NA

  3. Sep 2022 — Nov 2022 [monthly]

    Recruiting NA

  4. Jan 2022 — Sep 2022 [monthly]

    Recruiting NA

    Status: Not Yet RecruitingRecruiting

  5. Sep 2021 — Jan 2022 [monthly]

    Not Yet Recruiting NA

    First recorded

Aug 2021

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Chungnam National University Sejong Hospital
  • Pusan National University Yangsan Hospital
  • Seoul National University Hospital
Data source: Seoul National University Hospital

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