Clinical trials
Observational Cognitive Dysfunction trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
986 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 2 |
| 2003 | 8 |
| 2004 | 7 |
| 2005 | 5 |
| 2006 | 5 |
| 2007 | 12 |
| 2008 | 14 |
| 2009 | 20 |
| 2010 | 16 |
| 2011 | 19 |
| 2012 | 28 |
| 2013 | 25 |
| 2014 | 30 |
| 2015 | 31 |
| 2016 | 39 |
| 2017 | 48 |
| 2018 | 63 |
| 2019 | 60 |
| 2020 | 68 |
| 2021 | 90 |
| 2022 | 99 |
| 2023 | 85 |
| 2024 | 78 |
| 2025 | 65 |
| 2026 | 58 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 410 |
| Unknown status | 200 |
| Recruiting | 180 |
| Not yet recruiting | 66 |
| Active, not recruiting | 59 |
| Enrolling by invitation | 28 |
| Terminated | 26 |
| Withdrawn | 14 |
| Suspended | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Assistance Publique - Hôpitaux de Paris | 9 |
| Novoic Limited | 9 |
| Assiut University | 8 |
| National Institute on Aging (NIA) | 8 |
| Ohio State University | 8 |
| Stanford University | 8 |
| Vanderbilt University Medical Center | 8 |
| University of Aarhus | 7 |
| University of Southern California | 7 |
| Brigham and Women's Hospital | 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 | 986 |
| Alzheimer Disease | 267 |
| Dementia | 205 |
| Delirium | 44 |
| Parkinson Disease | 35 |
| Stroke | 35 |
| Dementia, Vascular | 31 |
| Frailty | 29 |
| Neurodegenerative Diseases | 29 |
| Disease | 28 |
Trials
Showing 76 to 100 of 986. Each trial links to its page on Pharma Observatory.
886 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.
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