Clinical trials
Observational Major Depressive Disorder trials in Canada
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
28 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2009 | 1 |
| 2012 | 1 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 14 |
| Recruiting | 8 |
| Unknown status | 3 |
| Active, not recruiting | 1 |
| Suspended | 1 |
| Terminated | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Unity Health Toronto | 6 |
| Centre for Addiction and Mental Health | 4 |
| Brain and Cognition Discovery Foundation | 2 |
| Sidney Kennedy | 2 |
| Sunnybrook Health Sciences Centre | 2 |
| University of Calgary | 2 |
| Abraham Nunes | 1 |
| H. Lundbeck A/S | 1 |
| Janssen Research & Development, LLC | 1 |
| London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | 1 |
Top conditions
MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Major Depressive Disorder | 28 |
| Bipolar Disorder | 3 |
| Depressive Disorder, Treatment-Resistant | 3 |
| Obsessive-Compulsive Disorder | 3 |
| Anxiety Disorders | 2 |
| Cognitive Dysfunction | 2 |
| Mental Disorders | 2 |
| Psychotic Disorders | 2 |
| Recurrence | 2 |
| Anhedonia | 1 |
Trials
Showing 1 to 25 of 28. Each trial links to its page on Pharma Observatory.
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
No changes to these trials in the last 7 days.
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