Clinical trials
Withdrawn Parkinson Disease trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
39 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 3 |
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 2 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 1 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 6 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 39 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Oregon Health and Science University | 3 |
| Wake Forest University Health Sciences | 3 |
| Massachusetts General Hospital | 2 |
| NYU Langone Health | 2 |
| University of South Florida | 2 |
| AbbVie | 1 |
| Ageless Regenerative Institute | 1 |
| Andrew Newberg | 1 |
| Baylor College of Medicine | 1 |
| Beth Israel Deaconess Medical Center | 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 |
|---|---|
| Parkinson Disease | 39 |
| Dyskinesias | 3 |
| Parkinsonian Disorders | 3 |
| Amyotrophic Lateral Sclerosis | 2 |
| Dementia | 2 |
| Dystonia | 2 |
| Essential Tremor | 2 |
| Fatigue | 2 |
| Movement Disorders | 2 |
| Neurodegenerative Diseases | 2 |
Trials
Showing 1 to 25 of 39. 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.
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.