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| Withdrawn | 31 |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 1 to 25 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.