Clinical trials
Terminated Phase 2 Alzheimer Disease trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
69 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2003 | 2 |
| 2004 | 2 |
| 2005 | 1 |
| 2006 | 3 |
| 2007 | 2 |
| 2008 | 4 |
| 2009 | 5 |
| 2010 | 3 |
| 2012 | 5 |
| 2013 | 3 |
| 2014 | 3 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 69 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 5 |
| Merck Sharp & Dohme LLC | 4 |
| Abbott | 3 |
| AbbVie (prior sponsor, Abbott) | 2 |
| Biogen | 2 |
| Epix Pharmaceuticals, Inc. | 2 |
| GlaxoSmithKline | 2 |
| JANSSEN Alzheimer Immunotherapy Research & Development, LLC | 2 |
| Janssen Research & Development, LLC | 2 |
| Aaron Ritter, MD | 1 |
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 | 69 |
| Dementia | 10 |
| Cognitive Dysfunction | 9 |
| Brain Diseases | 4 |
| Inflammation | 4 |
| Mental Disorders | 3 |
| Nervous System Diseases | 3 |
| Neurodegenerative Diseases | 3 |
| Central Nervous System Diseases | 2 |
| Neurocognitive Disorders | 2 |
Trials
Showing 1 to 25 of 69. Each trial links to its page 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
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