deltatrials
Unknown OBSERVATIONAL NCT04120272

Discovery for Biomarkers and Risk Factors for Postoperative Delirium in Elderly Patients With Spine Surgery

Sponsor: Yonsei University

Conditions Spinal Disease
Interventions Spine surgery
Updated 10 times since 2019 Last updated: Jun 3, 2021 Started: Oct 21, 2019 Primary completion: Oct 31, 2021 Completion: Oct 31, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Spinal Disease and is currently ongoing. Yonsei University leads this study, which shows 10 recorded versions since 2019 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Nov 2019 – ~Apr 2020 · 5 months · monthly snapshotNot Yet Recruiting~Apr 2020 – ~Nov 2020 · 7 months · monthly snapshotRecruiting~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshotRecruiting~Jan 2021 – ~Sep 2021 · 8 months · monthly snapshotRecruiting~Sep 2021 – ~Dec 2021 · 3 months · monthly snapshotRecruiting~Dec 2021 – ~Jul 2023 · 19 months · monthly snapshotRecruiting~Jul 2023 – ~Jul 2024 · 12 months · monthly snapshotUnknown Status~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotUnknown~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotUnknown~Sep 2025 – present · 10 months · monthly snapshotUnknown

Change History

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

    Unknown

  2. Sep 2024 — Sep 2025 [monthly]

    Unknown

  3. Jul 2024 — Sep 2024 [monthly]

    Unknown

    Status: Unknown StatusUnknown

  4. Jul 2023 — Jul 2024 [monthly]

    Unknown Status

    Status: RecruitingUnknown Status

  5. Dec 2021 — Jul 2023 [monthly]

    Recruiting

Show 5 earlier versions
  1. Sep 2021 — Dec 2021 [monthly]

    Recruiting

  2. Jan 2021 — Sep 2021 [monthly]

    Recruiting

  3. Nov 2020 — Jan 2021 [monthly]

    Recruiting

  4. Apr 2020 — Nov 2020 [monthly]

    Recruiting

    Status: Not Yet RecruitingRecruiting

  5. Nov 2019 — Apr 2020 [monthly]

    Not Yet Recruiting

    First recorded

Oct 2019

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Yonsei University
Data source: Yonsei University

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

Study Locations