Clinical trials
Terminated Alzheimer Disease trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
181 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2003 | 3 |
| 2004 | 1 |
| 2006 | 5 |
| 2007 | 7 |
| 2008 | 10 |
| 2009 | 17 |
| 2010 | 6 |
| 2011 | 1 |
| 2012 | 14 |
| 2013 | 6 |
| 2014 | 8 |
| 2015 | 10 |
| 2016 | 14 |
| 2017 | 9 |
| 2018 | 11 |
| 2019 | 12 |
| 2020 | 9 |
| 2021 | 13 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 10 |
| 2025 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 181 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 12 |
| Hoffmann-La Roche | 9 |
| Institute for Neurodegenerative Disorders | 9 |
| Biogen | 8 |
| Eli Lilly and Company | 6 |
| AbbVie | 3 |
| Abbott | 3 |
| AstraZeneca | 3 |
| Avid Radiopharmaceuticals | 3 |
| Cassava Sciences, Inc. | 3 |
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 | 181 |
| Dementia | 39 |
| Cognitive Dysfunction | 29 |
| Brain Diseases | 9 |
| Central Nervous System Diseases | 9 |
| Nervous System Diseases | 9 |
| Mental Disorders | 8 |
| Neurocognitive Disorders | 7 |
| Neurodegenerative Diseases | 7 |
| Tauopathies | 6 |
Trials
Showing 1 to 25 of 181. Each trial links to its page on Pharma Observatory.
81 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.