deltatrials
Active Not Recruiting NA INTERVENTIONAL 2-arm NCT01668563

International Subarachnoid Aneurysm Trial II (ISATII)

International Subarachnoid Aneurysm Trial II Comparing Clinical Outcomes of Surgical Clipping and Endovascular Coiling for Ruptured Intracranial Aneurysms Not Included in the Original ISAT Study.

Sponsor: Centre hospitalier de l'Université de Montréal (CHUM)

Conditions Intracranial Hemorrhage Ruptured Aneurysm
Interventions Endovascular management surgical management
Updated 13 times since 2017 Last updated: Aug 13, 2024 Started: Nov 12, 2012 Primary completion: Dec 31, 2024 Completion: Dec 31, 2024
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT01668563, this NA trial focuses on Intracranial Hemorrhage Ruptured Aneurysm and remains ongoing. Sponsored by Centre hospitalier de l'Université de Montréal (CHUM), it has been updated 13 times since 2012, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jan 2017 – ~Aug 2017 · 7 months · monthly snapshot~Aug 2017 – ~Dec 2017 · 4 months · monthly snapshot~Dec 2017 – ~Jun 2018 · 6 months · monthly snapshot~Jun 2018 – ~Mar 2019 · 9 months · monthly snapshot~Mar 2019 – ~May 2020 · 14 months · monthly snapshot~May 2020 – ~Jan 2021 · 8 months · monthly snapshot~Jan 2021 – ~Sep 2021 · 8 months · monthly snapshot~Sep 2021 – ~Dec 2022 · 15 months · monthly snapshot~Dec 2022 – ~Aug 2023 · 8 months · monthly snapshot~Aug 2023 – ~Jul 2024 · 11 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 10 months · monthly snapshot

Change History

13 versions recorded

  1. Sep 2025 — Present [monthly]

    Active Not Recruiting NA

  2. Sep 2024 — Sep 2025 [monthly]

    Active Not Recruiting NA

    Status: Recruiting → Active Not Recruiting

  3. Jul 2024 — Sep 2024 [monthly]

    Recruiting NA

  4. Aug 2023 — Jul 2024 [monthly]

    Recruiting NA

  5. Dec 2022 — Aug 2023 [monthly]

    Recruiting NA

▶ Show 8 earlier versions

  1. Sep 2021 — Dec 2022 [monthly]

    Recruiting NA

  2. Jan 2021 — Sep 2021 [monthly]

    Recruiting NA

  3. May 2020 — Jan 2021 [monthly]

    Recruiting NA

  4. Mar 2019 — May 2020 [monthly]

    Recruiting NA

  5. Jun 2018 — Mar 2019 [monthly]

    Recruiting NA

  6. Dec 2017 — Jun 2018 [monthly]

    Recruiting NA

  7. Aug 2017 — Dec 2017 [monthly]

    Recruiting NA

  8. Jan 2017 — Aug 2017 [monthly]

    Recruiting NA

    First recorded

Nov 2012

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Centre hospitalier de l'Université de Montréal (CHUM)
Data source: Centre hospitalier de l'Université de Montréal (CHUM)

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

Study Locations