Clinical trials
Cognitive Dysfunction trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
3,764 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 8 |
| 2001 | 4 |
| 2002 | 5 |
| 2003 | 20 |
| 2004 | 19 |
| 2005 | 22 |
| 2006 | 33 |
| 2007 | 39 |
| 2008 | 46 |
| 2009 | 60 |
| 2010 | 60 |
| 2011 | 79 |
| 2012 | 94 |
| 2013 | 78 |
| 2014 | 98 |
| 2015 | 128 |
| 2016 | 145 |
| 2017 | 208 |
| 2018 | 221 |
| 2019 | 233 |
| 2020 | 210 |
| 2021 | 322 |
| 2022 | 314 |
| 2023 | 322 |
| 2024 | 344 |
| 2025 | 341 |
| 2026 | 281 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,773 |
| Recruiting | 634 |
| Unknown status | 603 |
| Not yet recruiting | 237 |
| Active, not recruiting | 204 |
| Terminated | 149 |
| Withdrawn | 76 |
| Enrolling by invitation | 74 |
| Suspended | 14 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Johns Hopkins University | 34 |
| VA Office of Research and Development | 34 |
| University of California, San Francisco | 32 |
| Massachusetts General Hospital | 31 |
| Wake Forest University Health Sciences | 28 |
| Emory University | 24 |
| University of Pennsylvania | 24 |
| Chang Gung Memorial Hospital | 23 |
| Indiana University | 23 |
| Riphah International University | 23 |
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 |
|---|---|
| Cognitive Dysfunction | 3,764 |
| Alzheimer Disease | 835 |
| Dementia | 623 |
| Memory Disorders | 145 |
| Parkinson Disease | 124 |
| Stroke | 124 |
| Delirium | 104 |
| Cognition Disorders | 86 |
| Neurocognitive Disorders | 83 |
| Schizophrenia | 81 |
Trials
Showing 1 to 25 of 3,764. Each trial links to its page on Pharma Observatory.
3,664 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.
Go deeper on Pharma Observatory
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