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 1 to 25 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.