Clinical trials
Observational Cognitive Dysfunction trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
268 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 5 |
| 2004 | 4 |
| 2005 | 2 |
| 2006 | 3 |
| 2007 | 5 |
| 2008 | 7 |
| 2009 | 7 |
| 2010 | 9 |
| 2011 | 9 |
| 2012 | 7 |
| 2013 | 11 |
| 2014 | 9 |
| 2015 | 15 |
| 2016 | 18 |
| 2017 | 13 |
| 2018 | 14 |
| 2019 | 12 |
| 2020 | 13 |
| 2021 | 29 |
| 2022 | 20 |
| 2023 | 21 |
| 2024 | 11 |
| 2025 | 10 |
| 2026 | 7 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 141 |
| Recruiting | 43 |
| Active, not recruiting | 22 |
| Unknown status | 22 |
| Enrolling by invitation | 14 |
| Terminated | 14 |
| Withdrawn | 8 |
| Not yet recruiting | 4 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute on Aging (NIA) | 8 |
| Ohio State University | 8 |
| Stanford University | 8 |
| Vanderbilt University Medical Center | 8 |
| University of Southern California | 7 |
| Brigham and Women's Hospital | 6 |
| Duke University | 6 |
| Massachusetts General Hospital | 6 |
| Tammie L. S. Benzinger, MD, PhD | 6 |
| Wake Forest University Health Sciences | 6 |
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 | 268 |
| Alzheimer Disease | 118 |
| Dementia | 80 |
| Memory Disorders | 17 |
| Breast Neoplasms | 14 |
| Delirium | 12 |
| Cognition Disorders | 10 |
| Dementia, Vascular | 10 |
| Neurodegenerative Diseases | 10 |
| Brain Diseases | 9 |
Trials
Showing 1 to 25 of 268. Each trial links to its page on Pharma Observatory.
168 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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