Clinical trials
Phase 1 Alzheimer Disease trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
527 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2003 | 2 |
| 2004 | 4 |
| 2005 | 5 |
| 2006 | 13 |
| 2007 | 33 |
| 2008 | 35 |
| 2009 | 39 |
| 2010 | 28 |
| 2011 | 17 |
| 2012 | 19 |
| 2013 | 22 |
| 2014 | 21 |
| 2015 | 29 |
| 2016 | 27 |
| 2017 | 18 |
| 2018 | 23 |
| 2019 | 26 |
| 2020 | 22 |
| 2021 | 27 |
| 2022 | 21 |
| 2023 | 21 |
| 2024 | 24 |
| 2025 | 22 |
| 2026 | 24 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 375 |
| Terminated | 52 |
| Recruiting | 38 |
| Unknown status | 18 |
| Not yet recruiting | 18 |
| Active, not recruiting | 16 |
| Withdrawn | 8 |
| Suspended | 1 |
| Enrolling by invitation | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Wyeth is now a wholly owned subsidiary of Pfizer | 28 |
| Pfizer | 22 |
| Eli Lilly and Company | 20 |
| Institute for Neurodegenerative Disorders | 18 |
| Merck Sharp & Dohme LLC | 18 |
| Avid Radiopharmaceuticals | 14 |
| GlaxoSmithKline | 14 |
| AstraZeneca | 13 |
| Bristol-Myers Squibb | 12 |
| Janssen Research & Development, LLC | 11 |
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 | 527 |
| Cognitive Dysfunction | 54 |
| Dementia | 38 |
| Parkinson Disease | 17 |
| Neurodegenerative Diseases | 14 |
| Tauopathies | 11 |
| Huntington Disease | 10 |
| Plaque, Amyloid | 10 |
| Supranuclear Palsy, Progressive | 9 |
| Central Nervous System Diseases | 8 |
Trials
Showing 26 to 50 of 527. Each trial links to its page on Pharma Observatory.
427 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.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.