deltatrials
Recruiting PHASE2 INTERVENTIONAL 2-arm NCT05051397

CO2 Modulation in Endovascular Thrombectomy for Acute Ischemic Stroke (COMET-AIS)

Evaluation of the Effect of Moderate and Controlled Hypercapnia on Ischemic Penumbra Vascular Collaterality During General Anesthesia for Anterior Circulation Acute Ischemic Stroke Mechanical Thrombectomy

Sponsor: University Hospital, Clermont-Ferrand

Updated 6 times since 2021 Last updated: Sep 30, 2025 Started: Jul 20, 2022 Primary completion: Jul 19, 2026 Completion: Oct 19, 2026
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE2 trial investigates Anesthesia, General and Carbon Dioxide and is currently actively recruiting participants. University Hospital, Clermont-Ferrand leads this study, which shows 6 recorded versions since 2022 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Oct 2021 – ~Jan 2023 · 15 months · monthly snapshotNot Yet Recruiting~Jan 2023 – ~Jul 2024 · 18 months · monthly snapshotRecruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Jan 2025 · 4 months · monthly snapshot~Jan 2025 – ~Nov 2025 · 10 months · monthly snapshotUnknown~Nov 2025 – present · 8 months · monthly snapshotRecruiting

Change History

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

    Recruiting PHASE2

    Status: UnknownRecruiting

  2. Jan 2025 — Nov 2025 [monthly]

    Unknown PHASE2

    Status: RecruitingUnknown

  3. Sep 2024 — Jan 2025 [monthly]

    Recruiting PHASE2

  4. Jul 2024 — Sep 2024 [monthly]

    Recruiting PHASE2

  5. Jan 2023 — Jul 2024 [monthly]

    Recruiting PHASE2

    Status: Not Yet RecruitingRecruiting

Show 1 earlier version
  1. Oct 2021 — Jan 2023 [monthly]

    Not Yet Recruiting PHASE2

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • University Hospital, Clermont-Ferrand
Data source: University Hospital, Clermont-Ferrand

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

Study Locations