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Terminated Phase 2 Interventional Results available

Topiramate as an Adjunct to Amantadine in the Treatment of Dyskinesia in Parkinson's Disease

ClinicalTrials.gov ID: NCT01789047

Public ClinicalTrials.gov record NCT01789047. 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.

ClinicalTrials.gov public records Last synced Nov 5, 2026, 10:58 PM EST

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Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The study will involve an eighteen-week, double-blind, placebo-controlled parallel designed comparison between add-on topiramate and add-on placebo to stable treatment with amatadine in the treatment of Parkinson's disease (PD) patients who continue to have dyskinesia on amantadine.

Study identification

NCT ID
NCT01789047
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Enrollment
42 participants

Conditions and interventions

Eligibility (public fields only)

Age range
30 Years to 90 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Mar 2013 (Type not available)
Primary completion
Jul 2016 (Actual)
Completion
Jul 2016 (Actual)
Last update posted
Apr 16, 2019

2013 – 2016

United States locations

U.S. sites
5
U.S. states
5
U.S. cities
5
Facility City State ZIP Site status
University of Alabama Birmingham Alabama 35233 —
University of South Florida Tampa Florida 33612 —
Rush University Medical Center Chicago Illinois 60612 —
Duke University Durham North Carolina 27705 —
Oregon Health Sciences University Portland Oregon 97201 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01789047, 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 Apr 16, 2019 · Synced Nov 5, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01789047 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →