Clinical trials
Observational Parkinson Disease trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
375 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 3 |
| 2001 | 4 |
| 2002 | 4 |
| 2003 | 8 |
| 2004 | 7 |
| 2005 | 1 |
| 2006 | 15 |
| 2007 | 9 |
| 2008 | 7 |
| 2009 | 17 |
| 2010 | 16 |
| 2011 | 16 |
| 2012 | 13 |
| 2013 | 21 |
| 2014 | 15 |
| 2015 | 18 |
| 2016 | 11 |
| 2017 | 18 |
| 2018 | 16 |
| 2019 | 27 |
| 2020 | 22 |
| 2021 | 25 |
| 2022 | 25 |
| 2023 | 13 |
| 2024 | 15 |
| 2025 | 10 |
| 2026 | 6 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 219 |
| Recruiting | 53 |
| Unknown status | 38 |
| Terminated | 27 |
| Active, not recruiting | 13 |
| Enrolling by invitation | 13 |
| Withdrawn | 7 |
| Suspended | 4 |
| Not yet recruiting | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute of Neurological Disorders and Stroke (NINDS) | 31 |
| Washington University School of Medicine | 13 |
| University of Minnesota | 12 |
| Michael J. Fox Foundation for Parkinson's Research | 10 |
| University of Colorado, Denver | 10 |
| Great Lakes NeuroTechnologies Inc. | 9 |
| Oregon Health and Science University | 8 |
| University of Florida | 8 |
| University of Michigan | 8 |
| University of Rochester | 8 |
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 | 375 |
| Essential Tremor | 28 |
| Parkinsonian Disorders | 26 |
| Movement Disorders | 24 |
| Multiple System Atrophy | 24 |
| Alzheimer Disease | 20 |
| Supranuclear Palsy, Progressive | 17 |
| Multiple Sclerosis | 16 |
| Dystonia | 15 |
| Lewy Body Disease | 14 |
Trials
Showing 1 to 25 of 375. Each trial links to its page on Pharma Observatory.
275 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.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.