Clinical trials
Withdrawn Observational Parkinson Disease trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
22 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2006 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 22 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Abbott Medical Devices | 1 |
| Boston Medical Center | 1 |
| Christian Baumann | 1 |
| Huashan Hospital | 1 |
| King's College London | 1 |
| National Institute of Neurological Disorders and Stroke (NINDS) | 1 |
| NeuroGeneration | 1 |
| Ohio State University | 1 |
| Oregon Health and Science University | 1 |
| ProgenaBiome | 1 |
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 | 22 |
| Parkinsonian Disorders | 3 |
| Dystonia | 2 |
| Multiple Sclerosis | 2 |
| Agnosia | 1 |
| Alzheimer Disease | 1 |
| Amyotrophic Lateral Sclerosis | 1 |
| Brain Injuries | 1 |
| Brain Injuries, Traumatic | 1 |
| Dementia | 1 |
Trials
Showing 1 to 22 of 22. 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.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
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