Clinical trials
Completed Cognitive Dysfunction trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,773 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 6 |
| 2001 | 3 |
| 2002 | 4 |
| 2003 | 13 |
| 2004 | 16 |
| 2005 | 15 |
| 2006 | 28 |
| 2007 | 28 |
| 2008 | 32 |
| 2009 | 42 |
| 2010 | 45 |
| 2011 | 65 |
| 2012 | 71 |
| 2013 | 57 |
| 2014 | 59 |
| 2015 | 95 |
| 2016 | 88 |
| 2017 | 127 |
| 2018 | 130 |
| 2019 | 129 |
| 2020 | 118 |
| 2021 | 158 |
| 2022 | 162 |
| 2023 | 108 |
| 2024 | 89 |
| 2025 | 61 |
| 2026 | 10 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,773 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| VA Office of Research and Development | 24 |
| Wake Forest University Health Sciences | 20 |
| University of California, San Francisco | 19 |
| Emory University | 17 |
| Riphah International University | 17 |
| University of Pennsylvania | 15 |
| Vanderbilt University Medical Center | 15 |
| Icahn School of Medicine at Mount Sinai | 14 |
| Johns Hopkins University | 14 |
| Indiana University | 13 |
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 | 1,773 |
| Alzheimer Disease | 386 |
| Dementia | 275 |
| Memory Disorders | 75 |
| Delirium | 55 |
| Stroke | 46 |
| Anxiety Disorders | 45 |
| Cognition Disorders | 43 |
| Parkinson Disease | 40 |
| Neurocognitive Disorders | 37 |
Trials
Showing 26 to 50 of 1,773. Each trial links to its page on Pharma Observatory.
1,673 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.