deltatrials
Completed OBSERVATIONAL NCT03380052

OLGA and OLGIM Stage System for Gastric Cancer

The Evaluation of OLGA and OLGIM Stage Systems for Prediction of Gastric Cancer Risk and Interaction With Other Risk Factors According to Lauren's Classification

Sponsor: National Clinical Research Coordination Center, Seoul, Korea

Updated 12 times since 2018 Last updated: Apr 12, 2023 Started: Feb 28, 2006 Primary completion: Jan 31, 2021 Completion: Jan 31, 2022
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 Atrophic Gastritis and Intestinal Metaplasia and is currently completed. National Clinical Research Coordination Center, Seoul, Korea leads this study, which shows 12 recorded versions since 2006 — indicating substantial longitudinal coverage. As an oncology study, it adds to the longitudinal record of treatment development for this indication.

Status Flow

~Jan 2018 – ~Apr 2018 · 3 months · monthly snapshotRecruiting~Apr 2018 – ~Jun 2018 · 2 months · monthly snapshotRecruiting~Jun 2018 – ~May 2019 · 11 months · monthly snapshotRecruiting~May 2019 – ~Oct 2019 · 5 months · monthly snapshotRecruiting~Oct 2019 – ~Jan 2021 · 15 months · monthly snapshotRecruiting~Jan 2021 – ~Apr 2021 · 3 months · monthly snapshotRecruiting~Apr 2021 – ~Apr 2023 · 24 months · monthly snapshotRecruiting~Apr 2023 – ~May 2023 · 30 days · monthly snapshotUnknown Status~May 2023 – ~Jul 2024 · 14 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 11 months · monthly snapshotCompleted

Change History

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

    Completed

  2. Sep 2024 — Sep 2025 [monthly]

    Completed

  3. Jul 2024 — Sep 2024 [monthly]

    Completed

  4. May 2023 — Jul 2024 [monthly]

    Completed

    Status: Unknown StatusCompleted

  5. Apr 2023 — May 2023 [monthly]

    Unknown Status

    Status: RecruitingUnknown Status

Show 7 earlier versions
  1. Apr 2021 — Apr 2023 [monthly]

    Recruiting

  2. Jan 2021 — Apr 2021 [monthly]

    Recruiting

  3. Oct 2019 — Jan 2021 [monthly]

    Recruiting

  4. May 2019 — Oct 2019 [monthly]

    Recruiting

  5. Jun 2018 — May 2019 [monthly]

    Recruiting

  6. Apr 2018 — Jun 2018 [monthly]

    Recruiting

    Phase: NANone

  7. Jan 2018 — Apr 2018 [monthly]

    Recruiting NA

    First recorded

Feb 2006

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • National Clinical Research Coordination Center, Seoul, Korea
  • Seoul National University Bundang Hospital
Data source: Seoul National University Bundang Hospital

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

Study Locations