Clinical trials
Cognitive Dysfunction trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,393 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 5 |
| 2001 | 1 |
| 2002 | 3 |
| 2003 | 11 |
| 2004 | 13 |
| 2005 | 12 |
| 2006 | 24 |
| 2007 | 19 |
| 2008 | 23 |
| 2009 | 29 |
| 2010 | 29 |
| 2011 | 37 |
| 2012 | 38 |
| 2013 | 40 |
| 2014 | 40 |
| 2015 | 54 |
| 2016 | 57 |
| 2017 | 75 |
| 2018 | 83 |
| 2019 | 88 |
| 2020 | 65 |
| 2021 | 130 |
| 2022 | 105 |
| 2023 | 116 |
| 2024 | 94 |
| 2025 | 93 |
| 2026 | 93 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 772 |
| Recruiting | 237 |
| Active, not recruiting | 102 |
| Terminated | 91 |
| Unknown status | 80 |
| Not yet recruiting | 43 |
| Enrolling by invitation | 34 |
| Withdrawn | 31 |
| Suspended | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| VA Office of Research and Development | 34 |
| University of California, San Francisco | 32 |
| Johns Hopkins University | 31 |
| Massachusetts General Hospital | 30 |
| Wake Forest University Health Sciences | 27 |
| Emory University | 24 |
| University of Pennsylvania | 24 |
| Indiana University | 23 |
| Vanderbilt University Medical Center | 22 |
| Mayo Clinic | 21 |
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 | 1,393 |
| Alzheimer Disease | 442 |
| Dementia | 288 |
| Memory Disorders | 99 |
| Parkinson Disease | 47 |
| Cognition Disorders | 44 |
| Delirium | 44 |
| Brain Injuries, Traumatic | 31 |
| Schizophrenia | 30 |
| Breast Neoplasms | 29 |
Trials
Showing 26 to 50 of 1,393. Each trial links to its page on Pharma Observatory.
1,293 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.