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| Withdrawn | 40 |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 1 to 25 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.