Clinical trials
Completed Parkinson Disease trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
971 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 9 |
| 2001 | 7 |
| 2002 | 19 |
| 2003 | 23 |
| 2004 | 29 |
| 2005 | 20 |
| 2006 | 33 |
| 2007 | 32 |
| 2008 | 15 |
| 2009 | 43 |
| 2010 | 35 |
| 2011 | 39 |
| 2012 | 42 |
| 2013 | 51 |
| 2014 | 49 |
| 2015 | 50 |
| 2016 | 42 |
| 2017 | 61 |
| 2018 | 59 |
| 2019 | 66 |
| 2020 | 54 |
| 2021 | 53 |
| 2022 | 53 |
| 2023 | 33 |
| 2024 | 22 |
| 2025 | 6 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 971 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute of Neurological Disorders and Stroke (NINDS) | 48 |
| University of Florida | 32 |
| VA Office of Research and Development | 29 |
| Oregon Health and Science University | 20 |
| University of Colorado, Denver | 20 |
| Washington University School of Medicine | 20 |
| University of Michigan | 16 |
| University of Rochester | 16 |
| Institute for Neurodegenerative Disorders | 15 |
| Rush University Medical Center | 15 |
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 | 971 |
| Dyskinesias | 52 |
| Movement Disorders | 44 |
| Parkinsonian Disorders | 43 |
| Tremor | 25 |
| Essential Tremor | 24 |
| Multiple System Atrophy | 24 |
| Alzheimer Disease | 22 |
| Neurodegenerative Diseases | 21 |
| Cognitive Dysfunction | 18 |
Trials
Showing 1 to 25 of 971. Each trial links to its page on Pharma Observatory.
871 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.