Clinical trials
Observational Parkinson Disease trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,089 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 5 |
| 2001 | 6 |
| 2002 | 6 |
| 2003 | 11 |
| 2004 | 13 |
| 2005 | 9 |
| 2006 | 27 |
| 2007 | 15 |
| 2008 | 19 |
| 2009 | 29 |
| 2010 | 30 |
| 2011 | 34 |
| 2012 | 35 |
| 2013 | 50 |
| 2014 | 34 |
| 2015 | 43 |
| 2016 | 32 |
| 2017 | 51 |
| 2018 | 49 |
| 2019 | 70 |
| 2020 | 56 |
| 2021 | 85 |
| 2022 | 76 |
| 2023 | 82 |
| 2024 | 67 |
| 2025 | 79 |
| 2026 | 59 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 523 |
| Unknown status | 196 |
| Recruiting | 191 |
| Not yet recruiting | 45 |
| Terminated | 40 |
| Active, not recruiting | 39 |
| Enrolling by invitation | 29 |
| Withdrawn | 22 |
| Suspended | 4 |
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 |
| Boehringer Ingelheim | 22 |
| AbbVie | 14 |
| Institut National de la Santé Et de la Recherche Médicale, France | 14 |
| Neuromed IRCCS | 13 |
| Washington University School of Medicine | 13 |
| Radboud University Medical Center | 12 |
| University of Minnesota | 12 |
| University Hospital, Grenoble | 11 |
| Gazi University | 10 |
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 | 1,089 |
| Parkinsonian Disorders | 62 |
| Alzheimer Disease | 60 |
| Movement Disorders | 47 |
| Multiple System Atrophy | 46 |
| Essential Tremor | 43 |
| Multiple Sclerosis | 43 |
| Supranuclear Palsy, Progressive | 36 |
| Cognitive Dysfunction | 35 |
| Neurodegenerative Diseases | 35 |
Trials
Showing 76 to 100 of 1,089. Each trial links to its page on Pharma Observatory.
989 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.