deltatrials
Completed NA INTERVENTIONAL 2-arm NCT04211246

Oxygen Reserve Index to Reduce Hyperoxia

Efficacy of Oxygen Reserve Index (ORI) to Reduce Hyperoxia in Major Abdominal Surgery

Sponsor: Eunah Cho, MD

Conditions Hyperoxemia
Updated 7 times since 2020 Last updated: Mar 29, 2022 Started: Oct 7, 2020 Primary completion: Mar 28, 2022 Completion: Mar 28, 2022
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04211246, this NA trial focuses on Hyperoxemia and remains completed. Sponsored by Eunah Cho, MD, it has been updated 7 times since 2020, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jan 2020 – ~Jan 2021 · 12 months · monthly snapshotNot Yet Recruiting~Jan 2021 – ~Apr 2021 · 3 months · monthly snapshot~Apr 2021 – ~Apr 2022 · 12 months · monthly snapshotRecruiting~Apr 2022 – ~Jul 2024 · 27 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 10 months · monthly snapshotCompleted

Change History

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

    Completed NA

  2. Sep 2024 — Sep 2025 [monthly]

    Completed NA

  3. Jul 2024 — Sep 2024 [monthly]

    Completed NA

  4. Apr 2022 — Jul 2024 [monthly]

    Completed NA

    Status: RecruitingCompleted

  5. Apr 2021 — Apr 2022 [monthly]

    Recruiting NA

    Status: Not Yet RecruitingRecruiting

Show 2 earlier versions
  1. Jan 2021 — Apr 2021 [monthly]

    Not Yet Recruiting NA

  2. Jan 2020 — Jan 2021 [monthly]

    Not Yet Recruiting NA

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Eunah Cho, MD
Data source: Kangbuk Samsung Hospital

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

Study Locations