Safety and Tolerability of Tozadenant as Adjunctive Therapy in Levodopa-Treated Patients With Parkinson's Disease.
Public ClinicalTrials.gov record NCT03051607. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Multicenter, Open-Label Study to Evaluate the Safety and Tolerability of Tozadenant as Adjunctive Therapy in Levodopa-Treated Patients With Parkinson's Disease Experiencing End of Dose "Wearing-Off"
Study identification
- NCT ID
- NCT03051607
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Biotie Therapies Inc.
- Industry
- Enrollment
- 66 participants
Conditions and interventions
Conditions
Interventions
- Tozadenant Drug
Drug
Eligibility (public fields only)
- Age range
- 30 Years to 80 Years
- Sex
- All
- Healthy volunteers
- Not listed
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 9, 2017
- Primary completion
- Jan 15, 2018
- Completion
- Jan 15, 2018
- Last update posted
- May 2, 2019
2017 – 2018
United States locations
- U.S. sites
- 31
- U.S. states
- 18
- U.S. cities
- 28
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Barrow Neurology Clinics, St. Joseph's Hospital and Medical Center, Dignity Health | Phoenix | Arizona | 85013 | — |
| University of Arkansas for Medical Sciences | Little Rock | Arkansas | 77215 | — |
| Collaborative Neuroscience Network, LLC | Long Beach | California | 90802 | — |
| USC, Keck School of Medicine | Los Angeles | California | 90089 | — |
| SC3 Research Group | Pasadena | California | 91105 | — |
| JEM Research Institute | Atlantis | Florida | 33462 | — |
| Aventura Neurologic Associates | Aventura | Florida | 33180 | — |
| Parkinson's Disease and Movement Disorders Center of Boca Raton | Boca Raton | Florida | 33486 | — |
| Neurology Associates, P.A. | Maitland | Florida | 32751 | — |
| Neurology Associates of Ormond Beach | Ormond Beach | Florida | 32174 | — |
| Parkinson's Disease Treatment Center of SW Florida | Port Charlotte | Florida | 33980 | — |
| Infinity Clinical Research | Sunrise | Florida | 33513 | — |
| Hawaii Pacific Neuroscience | Honolulu | Hawaii | 96817 | — |
| Unity Point Health | Des Moines | Iowa | 10034 | — |
| Unity Point Health | Des Moines | Iowa | 50312 | — |
| University of Kansas Medical Center | Kansas City | Kansas | 66160 | — |
| University of Kentucky, Department of Neurology | Lexington | Kentucky | 40536 | — |
| Henry Ford West Bloomfield Hospital | Bloomfield Hills | Michigan | 48322 | — |
| Struthers Parkinson's Center | Golden Valley | Minnesota | 55416 | — |
| Struthers Parkinson's Center | Golden Valley | Minnesota | 55427 | — |
| The Robert and John M. Bendheim Parkinson and Movement Disorders Center | New York | New York | 10029 | — |
| Asheville Neurology Specialists, PA | Asheville | North Carolina | 28806 | — |
| Raleigh Neurology Associates | Raleigh | North Carolina | 27607 | — |
| Movement Disorders Clinic of Oklahoma | Tulsa | Oklahoma | 74136 | — |
| Abington Neurological Associates | Willow Grove | Pennsylvania | 27607 | — |
| Baylor College of Medicine | Houston | Texas | 77030 | — |
| University of Virginia, Department of Neurology | Charlottesville | Virginia | 98034 | — |
| Booth Gardner Parkinson's Care Center | Kirkland | Washington | 98034 | — |
| Premier Clinical Research | Spokane | Washington | 99202 | — |
| University of Wisconsin-Madison | Madison | Wisconsin | 53705 | — |
| University of Wisconsin - Madison | Madison | Wisconsin | 53706 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 4 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03051607, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted May 2, 2019 · Synced Apr 22, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03051607 live on ClinicalTrials.gov.