deltatrials
Completed NA INTERVENTIONAL 3-arm NCT03313674

Investigation of Seasonal Variations of Brain Structure and Connectivity in SAD

Seasonal Affective Disorder: Exploratory Investigation of Seasonal Variations in Brain Structure and Connectivity as a Predictor for Depressive Severity

Sponsor: Sunnybrook Health Sciences Centre

Updated 9 times since 2017 Last updated: Mar 15, 2021 Started: Nov 1, 2017 Primary completion: Oct 5, 2019 Completion: Oct 5, 2019
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Major Depressive Disorder and Neuroimaging and is currently completed. Sunnybrook Health Sciences Centre leads this study, which shows 9 recorded versions since 2017 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Nov 2017 – ~Feb 2018 · 3 months · monthly snapshotRecruiting~Feb 2018 – ~Jun 2018 · 4 months · monthly snapshotRecruiting~Jun 2018 – ~Dec 2018 · 6 months · monthly snapshotRecruiting~Dec 2018 – ~Dec 2020 · 24 months · monthly snapshotEnrolling By Invitation~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshotUnknown Status~Jan 2021 – ~Apr 2021 · 3 months · monthly snapshotUnknown Status~Apr 2021 – ~Jul 2024 · 39 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

9 versions recorded
  1. Sep 2024 — Present [monthly]

    Completed NA

  2. Jul 2024 — Sep 2024 [monthly]

    Completed NA

  3. Apr 2021 — Jul 2024 [monthly]

    Completed NA

    Status: Unknown StatusCompleted

  4. Jan 2021 — Apr 2021 [monthly]

    Unknown Status NA

  5. Dec 2020 — Jan 2021 [monthly]

    Unknown Status NA

    Status: Enrolling By InvitationUnknown Status

Show 4 earlier versions
  1. Dec 2018 — Dec 2020 [monthly]

    Enrolling By Invitation NA

    Status: RecruitingEnrolling By Invitation

  2. Jun 2018 — Dec 2018 [monthly]

    Recruiting NA

  3. Feb 2018 — Jun 2018 [monthly]

    Recruiting NA

  4. Nov 2017 — Feb 2018 [monthly]

    Recruiting NA

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Sunnybrook Health Sciences Centre
Data source: Sunnybrook Health Sciences Centre

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

Study Locations