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Clinical trialNCT03051607TerminatedPhase 3Interventional

Safety and Tolerability of Tozadenant as Adjunctive Therapy in Levodopa-Treated Patients With Parkinson's Disease.

SponsorBiotie Therapies Inc.Enrollment66Idiopathic Parkinson Disease
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

35 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Canada
  • Ottawa Hospital Research Institute

    Ottawa, Ontario, Canada

United Kingdom
  • the Walton Centre Nhs Foundation Trust, Neuroscience Research Center

    Liverpool, England, United Kingdom

  • Newcastle University Clinical Ageing Research Unit (caru)

    Newcastle upon Tyne, England, United Kingdom

  • the Queen Elizabeth University Hospital Department of Neurology

    Glasgow, Scottland, United Kingdom

United States
  • Barrow Neurology Clinics, St. Joseph'S Hospital and Medical Center, Dignity Health

    Phoenix, Arizona, United States

  • University of Arkansas for Medical Sciences

    Little Rock, Arkansas, United States

  • Collaborative Neuroscience Network, Llc

    Long Beach, California, United States

  • Usc, Keck School of Medicine

    Los Angeles, California, United States

  • Sc3 Research Group

    Pasadena, California, United States

  • Jem Research Institute

    Atlantis, Florida, United States

  • Aventura Neurologic Associates

    Aventura, Florida, United States

  • Parkinson'S Disease and Movement Disorders Center of Boca Raton

    Boca Raton, Florida, United States

  • Neurology Associates, P.A.

    Maitland, Florida, United States

  • Neurology Associates of Ormond Beach

    Ormond Beach, Florida, United States

  • Parkinson'S Disease Treatment Center of Sw Florida

    Port Charlotte, Florida, United States

  • Infinity Clinical Research

    Sunrise, Florida, United States

  • Hawaii Pacific Neuroscience

    Honolulu, Hawaii, United States

  • Unity Point Health

    Des Moines, Iowa, United States

  • Unity Point Health

    Des Moines, Iowa, United States

  • University of Kansas Medical Center

    Kansas City, Kansas, United States

  • University of Kentucky, Department of Neurology

    Lexington, Kentucky, United States

  • Henry Ford West Bloomfield Hospital

    Bloomfield Hills, Michigan, United States

  • Struthers Parkinson'S Center

    Golden Valley, Minnesota, United States

  • Struthers Parkinson'S Center

    Golden Valley, Minnesota, United States

  • the Robert and John M. Bendheim Parkinson and Movement Disorders Center

    New York, New York, United States

  • Asheville Neurology Specialists, Pa

    Asheville, North Carolina, United States

  • Raleigh Neurology Associates

    Raleigh, North Carolina, United States

  • Movement Disorders Clinic of Oklahoma

    Tulsa, Oklahoma, United States

  • Abington Neurological Associates

    Willow Grove, Pennsylvania, United States

  • Baylor College of Medicine

    Houston, Texas, United States

  • University of Virginia, Department of Neurology

    Charlottesville, Virginia, United States

  • Booth Gardner Parkinson'S Care Center

    Kirkland, Washington, United States

  • Premier Clinical Research

    Spokane, Washington, United States

  • University of Wisconsin - Madison

    Madison, Wisconsin, United States

  • University of Wisconsin-Madison

    Madison, Wisconsin, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
10 Apr 2017
Primary completion
16 Jan 2018
Completion
16 Jan 2018
Last update posted
3 May 2019
Registered enrollment
66
Registry id
NCT03051607

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.