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Terminated OBSERVATIONAL NCT03716258

Characterizing Biomarkers of Early Parkinson's Disease Progression (TREG) (TREG)

Characterizing Biomarkers of Early Parkinson's Disease Progression

Sponsor: Oregon Health and Science University

Conditions Movement Disorders Parkinson Disease
Updated 11 times since 2018 Last updated: Apr 18, 2022 Started: Jan 1, 2019 Primary completion: May 1, 2021 Completion: May 1, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

COVID-19 Research Restrictions

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Listed as NCT03716258, this observational or N/A phase trial focuses on Movement Disorders and Parkinson Disease and remains terminated or withdrawn. Sponsored by Oregon Health and Science University, it has been updated 11 times since 2019, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Nov 2018 – ~Jan 2019 · 2 months · monthly snapshotNot Yet Recruiting~Jan 2019 – ~Aug 2019 · 7 months · monthly snapshotRecruiting~Aug 2019 – ~Apr 2020 · 8 months · monthly snapshotRecruiting~Apr 2020 – ~Nov 2020 · 7 months · monthly snapshotSuspended~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshotSuspended~Jan 2021 – ~Apr 2021 · 3 months · monthly snapshotSuspended~Apr 2021 – ~Dec 2021 · 8 months · monthly snapshotSuspended~Dec 2021 – ~May 2022 · 5 months · monthly snapshotSuspended~May 2022 – ~Jul 2024 · 26 months · monthly snapshotTerminated~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotTerminated~Sep 2024 – present · 22 months · monthly snapshotTerminated

Change History

11 versions recorded

  1. Sep 2024 — Present [monthly]

    Terminated

  2. Jul 2024 — Sep 2024 [monthly]

    Terminated

  3. May 2022 — Jul 2024 [monthly]

    Terminated

    Status: Suspended → Terminated

  4. Dec 2021 — May 2022 [monthly]

    Suspended

  5. Apr 2021 — Dec 2021 [monthly]

    Suspended

▶ Show 6 earlier versions

  1. Jan 2021 — Apr 2021 [monthly]

    Suspended

  2. Nov 2020 — Jan 2021 [monthly]

    Suspended

  3. Apr 2020 — Nov 2020 [monthly]

    Suspended

    Status: Recruiting → Suspended

  4. Aug 2019 — Apr 2020 [monthly]

    Recruiting

  5. Jan 2019 — Aug 2019 [monthly]

    Recruiting

    Status: Not Yet Recruiting → Recruiting

  6. Nov 2018 — Jan 2019 [monthly]

    Not Yet Recruiting

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Oregon Health and Science University
  • Portland VA Medical Center
Data source: Oregon Health and Science University

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

Study Locations