NCT00794313

Brief Summary

Levodopa is the main drug treatment for Parkinson's disease. Levodopa can cause unwanted and uncontrolled movements called dyskinesias. A drug called amantadine can reduce these movements. To date, there are no objective measures of these movements. The purpose of this study is to measure the reduction of the movements by amantadine and/or topiramate using an objective measure.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
3

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Sep 2009

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
terminated

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

November 19, 2008

Completed
1 day until next milestone

First Posted

Study publicly available on registry

November 20, 2008

Completed
10 months until next milestone

Study Start

First participant enrolled

September 1, 2009

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2010

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2010

Completed
6.9 years until next milestone

Results Posted

Study results publicly available

May 11, 2017

Completed
Last Updated

February 1, 2018

Status Verified

January 1, 2018

Enrollment Period

9 months

First QC Date

November 19, 2008

Results QC Date

September 29, 2016

Last Update Submit

January 8, 2018

Conditions

Keywords

Parkinsons diseasedyskinesiaamantadineefficacy

Outcome Measures

Primary Outcomes (1)

  • Forceplate AUC

    Area under the curve for the root mean squared velocity in the anterior-posterior direction as measured by a forceplate.

    Every 1/2 hour for 8 hour levodopa cycle

Secondary Outcomes (1)

  • Modified Abnormal Involuntary Movement Scale Area Under the Curve

    Measured every 1/2 hour for a levodopa dose cycle (starting 1 hour prior to infusion and ending 4 hours post 2-hour infusion)

Study Arms (3)

Amantadine

EXPERIMENTAL
Drug: Amantadine 300 mg

Amantadine plus Topiramate

EXPERIMENTAL
Drug: Amantadine 300 mgDrug: Topiramate

Sugar Pill

PLACEBO COMPARATOR
Drug: Sugar Pill

Interventions

Amantadine, 300 mg, capsule, three times a day, two weeks

AmantadineAmantadine plus Topiramate

Topiramate, 25 mg, capsule, two times a day, 1 week Sugar Pill, capsule, one time a day, 1 week Topiramate, 50 mg, capsule, three times a day, 1 week

Also known as: Topamax
Amantadine plus Topiramate

sugar pill, capsule, three times a day, 2 weeks

Sugar Pill

Eligibility Criteria

Age21 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Parkinson's Disease
  • At least 21 years of age
  • Must be taking Oral levodopa
  • Must have dyskinesias by history or previous clinical observation

You may not qualify if:

  • Significant cognitive impairment as measured by the Montreal Cognitive Assessment (MOCA) score of \< 25
  • Subjects with unstable medical or psychiatric conditions (including hallucinations)
  • Use of dopamine receptor blocking medications (e.g., neuroleptics, certain antiemetics, tetrabenazine)
  • History of unstable medical conditions (ie active cardiovascular disease, recent unwellness or surgery etc.)
  • Use of anticoagulants
  • Current substance abuse
  • Previous adverse event on amantadine

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Oregon Health & Science University

Portland, Oregon, 97239, United States

Location

Related Publications (5)

  • Snow BJ, Macdonald L, Mcauley D, Wallis W. The effect of amantadine on levodopa-induced dyskinesias in Parkinson's disease: a double-blind, placebo-controlled study. Clin Neuropharmacol. 2000 Mar-Apr;23(2):82-5. doi: 10.1097/00002826-200003000-00004.

    PMID: 10803797BACKGROUND
  • Verhagen Metman L, Del Dotto P, van den Munckhof P, Fang J, Mouradian MM, Chase TN. Amantadine as treatment for dyskinesias and motor fluctuations in Parkinson's disease. Neurology. 1998 May;50(5):1323-6. doi: 10.1212/wnl.50.5.1323.

    PMID: 9595981BACKGROUND
  • Del Dotto P, Pavese N, Gambaccini G, Bernardini S, Metman LV, Chase TN, Bonuccelli U. Intravenous amantadine improves levadopa-induced dyskinesias: an acute double-blind placebo-controlled study. Mov Disord. 2001 May;16(3):515-20. doi: 10.1002/mds.1112.

    PMID: 11391748BACKGROUND
  • Hagell P, Widner H. Clinical rating of dyskinesias in Parkinson's disease: use and reliability of a new rating scale. Mov Disord. 1999 May;14(3):448-55. doi: 10.1002/1531-8257(199905)14:33.0.co;2-0.

    PMID: 10348468BACKGROUND
  • da Silva-Junior FP, Braga-Neto P, Sueli Monte F, de Bruin VM. Amantadine reduces the duration of levodopa-induced dyskinesia: a randomized, double-blind, placebo-controlled study. Parkinsonism Relat Disord. 2005 Nov;11(7):449-52. doi: 10.1016/j.parkreldis.2005.05.008. Epub 2005 Sep 9.

    PMID: 16154788BACKGROUND

MeSH Terms

Conditions

Parkinson DiseaseDyskinesias

Interventions

AmantadineTopiramateSugars

Condition Hierarchy (Ancestors)

Parkinsonian DisordersBasal Ganglia DiseasesBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesMovement DisordersSynucleinopathiesNeurodegenerative DiseasesNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

AdamantaneBridged-Ring CompoundsHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsFructoseHexosesMonosaccharidesCarbohydratesKetoses

Results Point of Contact

Title
Kathyrn Chung MD
Organization
Oregon Health & Science Universtiy

Study Officials

  • Kathryn Chung, MD

    Oregon Health & Science University, Portland VA Medical Center

    PRINCIPAL INVESTIGATOR
  • John G Nutt, MD

    Oregon Health & Science Unversity

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

November 19, 2008

First Posted

November 20, 2008

Study Start

September 1, 2009

Primary Completion

June 1, 2010

Study Completion

June 1, 2010

Last Updated

February 1, 2018

Results First Posted

May 11, 2017

Record last verified: 2018-01

Data Sharing

IPD Sharing
Will not share

Locations