Clinical trials
Completed Observational Parkinson Disease trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
523 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 5 |
| 2001 | 4 |
| 2002 | 5 |
| 2003 | 7 |
| 2004 | 12 |
| 2005 | 6 |
| 2006 | 23 |
| 2007 | 12 |
| 2008 | 14 |
| 2009 | 20 |
| 2010 | 22 |
| 2011 | 27 |
| 2012 | 19 |
| 2013 | 37 |
| 2014 | 20 |
| 2015 | 33 |
| 2016 | 18 |
| 2017 | 33 |
| 2018 | 30 |
| 2019 | 35 |
| 2020 | 21 |
| 2021 | 33 |
| 2022 | 27 |
| 2023 | 22 |
| 2024 | 12 |
| 2025 | 11 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 523 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute of Neurological Disorders and Stroke (NINDS) | 24 |
| Boehringer Ingelheim | 22 |
| Great Lakes NeuroTechnologies Inc. | 8 |
| Institut National de la Santé Et de la Recherche Médicale, France | 8 |
| AbbVie | 7 |
| Duke University | 7 |
| National Institute of Environmental Health Sciences (NIEHS) | 7 |
| Ospedale Generale Di Zona Moriggia-Pelascini | 7 |
| University of Michigan | 7 |
| University of Minnesota | 7 |
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 | 523 |
| Parkinsonian Disorders | 28 |
| Essential Tremor | 22 |
| Multiple System Atrophy | 18 |
| Alzheimer Disease | 17 |
| Movement Disorders | 17 |
| Dystonia | 13 |
| Stroke | 13 |
| Multiple Sclerosis | 12 |
| Supranuclear Palsy, Progressive | 12 |
Trials
Showing 1 to 25 of 523. Each trial links to its page on Pharma Observatory.
423 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.