Clinical trials
Phase 4 Parkinson Disease trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
72 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2002 | 2 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 4 |
| 2007 | 9 |
| 2008 | 1 |
| 2009 | 7 |
| 2010 | 4 |
| 2011 | 4 |
| 2012 | 7 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 49 |
| Terminated | 7 |
| Recruiting | 6 |
| Not yet recruiting | 3 |
| Unknown status | 3 |
| Withdrawn | 2 |
| Suspended | 1 |
| Enrolling by invitation | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Baylor College of Medicine | 4 |
| University of South Florida | 4 |
| Boehringer Ingelheim | 3 |
| Oregon Health and Science University | 3 |
| University of Pennsylvania | 3 |
| Emory University | 2 |
| Georgetown University | 2 |
| GlaxoSmithKline | 2 |
| MDD US Operations, LLC a subsidiary of Supernus Pharmaceuticals | 2 |
| Stanford University | 2 |
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 | 72 |
| Cognitive Dysfunction | 4 |
| Urinary Bladder, Overactive | 4 |
| Dementia | 3 |
| Dyskinesias | 3 |
| Parkinsonian Disorders | 3 |
| Urinary Incontinence | 3 |
| Fatigue | 2 |
| Lewy Body Disease | 2 |
| Multiple System Atrophy | 2 |
Trials
Showing 1 to 25 of 72. 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.