Clinical trials
Terminated Parkinson Disease trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
140 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2002 | 3 |
| 2003 | 3 |
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 11 |
| 2008 | 9 |
| 2009 | 5 |
| 2010 | 1 |
| 2011 | 4 |
| 2012 | 4 |
| 2013 | 8 |
| 2014 | 7 |
| 2015 | 3 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 13 |
| 2019 | 12 |
| 2020 | 8 |
| 2021 | 10 |
| 2022 | 8 |
| 2023 | 5 |
| 2025 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 140 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute of Neurological Disorders and Stroke (NINDS) | 6 |
| Oregon Health and Science University | 4 |
| Pfizer | 4 |
| Institute for Neurodegenerative Disorders | 3 |
| Johns Hopkins University | 3 |
| Mayo Clinic | 3 |
| Northwestern University | 3 |
| St. Joseph's Hospital and Medical Center, Phoenix | 3 |
| Stony Brook University | 3 |
| University of Miami | 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 |
|---|---|
| Parkinson Disease | 140 |
| Dyskinesias | 14 |
| Parkinsonian Disorders | 11 |
| Movement Disorders | 9 |
| Alzheimer Disease | 5 |
| Multiple Sclerosis | 5 |
| Cognitive Dysfunction | 4 |
| Pure Autonomic Failure | 4 |
| Anxiety Disorders | 3 |
| Deglutition Disorders | 3 |
Trials
Showing 1 to 25 of 140. Each trial links to its page on Pharma Observatory.
40 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.