# Investigation of Seasonal Variations of Brain Structure and Connectivity in SAD

> **NCT03313674** · NA · COMPLETED · sponsor: **Sunnybrook Health Sciences Centre** · enrollment: 23 (actual)

## Conditions studied

- Seasonal Affective Disorder
- Major Depressive Disorder
- Neuroimaging

## Interventions

- **DEVICE:** Bright Light Therapy

## Key facts

- **NCT ID:** NCT03313674
- **Lead sponsor:** Sunnybrook Health Sciences Centre
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-11-01
- **Primary completion:** 2019-10-05
- **Final completion:** 2019-10-05
- **Target enrollment:** 23 (ACTUAL)
- **Last updated:** 2021-03-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03313674

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03313674, "Investigation of Seasonal Variations of Brain Structure and Connectivity in SAD". Retrieved via AI Analytics 2026-05-31 from https://api.ai-analytics.org/clinical/NCT03313674. Licensed CC0.

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