A Study of Neurophysiologic Changes in Individuals With Parkinson's

Status Completed

Clinical Trial Summary

The goal of this study is to investigate neurophysiologic tests that have the potential of serving as screening tools for Parkinson's disease. These neurophysiologic tests will be administered to individuals with Parkinson's disease and parkinsonian syndrome and validated against a healthy control population.

Specifically, this study will look at changes in motor function, cognitive function, handwriting, speech, and olfactory function in individuals with Parkinson's disease, individuals at risk for Parkinson's disease and healthy controls.

Clinical Trial Description

One of the greatest challenges in Parkinson's research is the identification of individuals who are at risk or have early Parkinson's disease (PD) or parkinsonian syndrome (PS). Subtle signs that do not meet the diagnostic criteria for PD may occur during this period.

This study will evaluate a profile of neurophysiologic tests for potentially predictive signs of PD or PS in individuals with PD or PS, those who may be at risk for PD or PS and in a population of individuals without parkinsonian symptoms or any other neurologic conditions.

In addition, the study will evaluate serum samples for changes in proteins or metabolites that may be indicators of early changes associated with Parkinson's disease or parkinsonian syndrome.

Each study participant will be scheduled for a 90 minute study visit.

This visit may include the following procedures:

- Screening for eligibility

- Clinical assessments

- Neurological evaluation

- Computerized cognitive testing

- Olfactory testing

- Computerized handwriting testing

- Speech evaluation

- Blood sample for biochemical and/or genetic analysis

The study will be conducted at the Institute for Neurodegenerative Disorders (IND), which is a not for profit research institute specializing in Parkinson's disease research.

Clinical data will be collected, stored and analyzed at IND to evaluate whether there are significant differences between the performance of the parkinsonian study participants, individuals with risk factors for PD or PS, and the healthy subjects. ;

Study Design

Observational Model: Case Control, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00117195
Study type	Observational
Source	Institute for Neurodegenerative Disorders
Contact
Status	Completed
Phase	N/A
Start date	May 2003
Completion date	January 2012

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

A Study of Neurophysiologic Changes in Individuals With Parkinson's Disease

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms