Clinical trials
Observational Alzheimer Disease trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
307 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2001 | 2 |
| 2002 | 4 |
| 2003 | 9 |
| 2004 | 5 |
| 2005 | 4 |
| 2006 | 4 |
| 2007 | 7 |
| 2008 | 6 |
| 2009 | 13 |
| 2010 | 4 |
| 2011 | 11 |
| 2012 | 11 |
| 2013 | 8 |
| 2014 | 9 |
| 2015 | 10 |
| 2016 | 25 |
| 2017 | 7 |
| 2018 | 21 |
| 2019 | 16 |
| 2020 | 13 |
| 2021 | 30 |
| 2022 | 19 |
| 2023 | 18 |
| 2024 | 15 |
| 2025 | 15 |
| 2026 | 9 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 151 |
| Recruiting | 55 |
| Unknown status | 34 |
| Enrolling by invitation | 21 |
| Terminated | 19 |
| Active, not recruiting | 16 |
| Withdrawn | 9 |
| Suspended | 1 |
| Not yet recruiting | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute on Aging (NIA) | 18 |
| Washington University School of Medicine | 11 |
| Tammie L. S. Benzinger, MD, PhD | 9 |
| National Institute of Mental Health (NIMH) | 8 |
| University of Pennsylvania | 8 |
| University of Southern California | 8 |
| NYU Langone Health | 7 |
| Banner Health | 6 |
| National Institute of Neurological Disorders and Stroke (NINDS) | 6 |
| University of Wisconsin, Madison | 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 |
|---|---|
| Alzheimer Disease | 307 |
| Cognitive Dysfunction | 118 |
| Dementia | 115 |
| Parkinson Disease | 20 |
| Memory Disorders | 18 |
| Lewy Body Disease | 16 |
| Frontotemporal Dementia | 15 |
| Amyotrophic Lateral Sclerosis | 12 |
| Brain Diseases | 12 |
| Pick Disease of the Brain | 12 |
Trials
Showing 1 to 25 of 307. Each trial links to its page on Pharma Observatory.
207 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.