Clinical trials
Completed Phase 1 Alzheimer Disease trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
375 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 | 3 |
| 2006 | 13 |
| 2007 | 29 |
| 2008 | 27 |
| 2009 | 29 |
| 2010 | 27 |
| 2011 | 16 |
| 2012 | 16 |
| 2013 | 20 |
| 2014 | 20 |
| 2015 | 26 |
| 2016 | 20 |
| 2017 | 14 |
| 2018 | 20 |
| 2019 | 17 |
| 2020 | 17 |
| 2021 | 15 |
| 2022 | 13 |
| 2023 | 11 |
| 2024 | 9 |
| 2025 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 375 |
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 | 26 |
| Pfizer | 21 |
| Merck Sharp & Dohme LLC | 15 |
| Eli Lilly and Company | 13 |
| Avid Radiopharmaceuticals | 12 |
| AstraZeneca | 11 |
| Bristol-Myers Squibb | 11 |
| Janssen Research & Development, LLC | 11 |
| GlaxoSmithKline | 10 |
| Institute for Neurodegenerative Disorders | 9 |
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 | 375 |
| Cognitive Dysfunction | 29 |
| Dementia | 21 |
| Huntington Disease | 10 |
| Parkinson Disease | 10 |
| Supranuclear Palsy, Progressive | 8 |
| Neurodegenerative Diseases | 7 |
| Central Nervous System Diseases | 5 |
| Memory Disorders | 5 |
| Tauopathies | 5 |
Trials
Showing 1 to 25 of 375. Each trial links to its page on Pharma Observatory.
275 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.