Clinical trials
Observational Alzheimer Disease trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
816 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 3 |
| 2001 | 3 |
| 2002 | 6 |
| 2003 | 12 |
| 2004 | 10 |
| 2005 | 11 |
| 2006 | 7 |
| 2007 | 15 |
| 2008 | 15 |
| 2009 | 30 |
| 2010 | 17 |
| 2011 | 25 |
| 2012 | 28 |
| 2013 | 23 |
| 2014 | 27 |
| 2015 | 24 |
| 2016 | 44 |
| 2017 | 29 |
| 2018 | 38 |
| 2019 | 47 |
| 2020 | 38 |
| 2021 | 63 |
| 2022 | 71 |
| 2023 | 59 |
| 2024 | 60 |
| 2025 | 52 |
| 2026 | 45 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 345 |
| Recruiting | 183 |
| Unknown status | 138 |
| Not yet recruiting | 36 |
| Active, not recruiting | 32 |
| Terminated | 31 |
| Enrolling by invitation | 31 |
| Withdrawn | 19 |
| Suspended | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute on Aging (NIA) | 19 |
| Assistance Publique - Hôpitaux de Paris | 14 |
| Washington University School of Medicine | 11 |
| Barcelonabeta Brain Research Center, Pasqual Maragall Foundation | 9 |
| Tammie L. S. Benzinger, MD, PhD | 9 |
| National Institute of Mental Health (NIMH) | 8 |
| Novoic Limited | 8 |
| University of Pennsylvania | 8 |
| University of Southern California | 8 |
| Central Hospital, Nancy, France | 7 |
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 | 816 |
| Cognitive Dysfunction | 267 |
| Dementia | 242 |
| Parkinson Disease | 60 |
| Lewy Body Disease | 48 |
| Dementia, Vascular | 47 |
| Neurodegenerative Diseases | 44 |
| Frontotemporal Dementia | 39 |
| Disease | 29 |
| Memory Disorders | 25 |
Trials
Showing 26 to 50 of 816. Each trial links to its page on Pharma Observatory.
716 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.