Clinical trials
Observational Major Depressive Disorder trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
404 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 4 |
| 2002 | 6 |
| 2003 | 5 |
| 2004 | 8 |
| 2005 | 7 |
| 2006 | 7 |
| 2007 | 8 |
| 2008 | 13 |
| 2009 | 12 |
| 2010 | 9 |
| 2011 | 16 |
| 2012 | 17 |
| 2013 | 14 |
| 2014 | 8 |
| 2015 | 18 |
| 2016 | 18 |
| 2017 | 17 |
| 2018 | 10 |
| 2019 | 22 |
| 2020 | 28 |
| 2021 | 24 |
| 2022 | 21 |
| 2023 | 30 |
| 2024 | 23 |
| 2025 | 21 |
| 2026 | 23 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 223 |
| Unknown status | 61 |
| Recruiting | 46 |
| Terminated | 19 |
| Not yet recruiting | 18 |
| Withdrawn | 12 |
| Enrolling by invitation | 10 |
| Active, not recruiting | 10 |
| Suspended | 5 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute of Mental Health (NIMH) | 32 |
| AstraZeneca | 11 |
| Massachusetts General Hospital | 10 |
| Mclean Hospital | 10 |
| Shanghai Mental Health Center | 7 |
| Stanford University | 7 |
| Unity Health Toronto | 6 |
| Yale University | 6 |
| Janssen Research & Development, LLC | 5 |
| Mayo Clinic | 5 |
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 | 404 |
| Bipolar Disorder | 77 |
| Anxiety Disorders | 30 |
| Schizophrenia | 26 |
| Mood Disorders | 24 |
| Depressive Disorder | 21 |
| Stress Disorders, Post-Traumatic | 18 |
| Generalized Anxiety Disorder | 17 |
| Depressive Disorder, Treatment-Resistant | 16 |
| Mental Disorders | 14 |
Trials
Showing 76 to 100 of 404. Each trial links to its page on Pharma Observatory.
304 more trials match. See them 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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