Clinical trials
Cognitive Dysfunction trials with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,042 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2003 | 4 |
| 2004 | 3 |
| 2005 | 6 |
| 2006 | 9 |
| 2007 | 13 |
| 2008 | 12 |
| 2009 | 15 |
| 2010 | 23 |
| 2011 | 26 |
| 2012 | 39 |
| 2013 | 31 |
| 2014 | 43 |
| 2015 | 68 |
| 2016 | 77 |
| 2017 | 122 |
| 2018 | 119 |
| 2019 | 130 |
| 2020 | 116 |
| 2021 | 170 |
| 2022 | 174 |
| 2023 | 199 |
| 2024 | 228 |
| 2025 | 221 |
| 2026 | 181 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 976 |
| Recruiting | 357 |
| Unknown status | 312 |
| Not yet recruiting | 144 |
| Active, not recruiting | 99 |
| Terminated | 69 |
| Withdrawn | 40 |
| Enrolling by invitation | 38 |
| Suspended | 7 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University of California, San Francisco | 25 |
| VA Office of Research and Development | 23 |
| Johns Hopkins University | 22 |
| Riphah International University | 21 |
| The Hong Kong Polytechnic University | 19 |
| Icahn School of Medicine at Mount Sinai | 17 |
| The University of Hong Kong | 17 |
| Indiana University | 16 |
| Massachusetts General Hospital | 16 |
| Taipei Medical University | 16 |
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 | 2,042 |
| Alzheimer Disease | 316 |
| Dementia | 304 |
| Memory Disorders | 80 |
| Stroke | 75 |
| Parkinson Disease | 67 |
| Multiple Sclerosis | 47 |
| Anxiety Disorders | 45 |
| Neurocognitive Disorders | 44 |
| Schizophrenia | 37 |
Trials
Showing 76 to 100 of 2,042. Each trial links to its page on Pharma Observatory.
1,942 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.