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| Withdrawn | 76 |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 76 to 100 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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