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Clinical Trial Summary

The overall goal of this study is to evaluate the use of dopamine transporter (DAT) imaging as a diagnostic tool in subjects with early parkinsonian symptoms, in whom Parkinson's disease (PD) or parkinsonian syndrome (PS) is suspected, but the diagnosis remains unclear from a clinical standpoint.


Clinical Trial Description

- Subjects will be referred to the Institute for Neurodegenerative Disorders (IND) by practicing general neurologists with genuine uncertainty regarding the subject's diagnosis.

- Subjects with suspected PD or PS will be evaluated clinically and with DAT imaging, using b-CIT and SPECT. The DAT imaging procedure will take place over two days:

- On the first day participants are injected with [123I]ß CIT, an investigational radioactive material that localizes in the brain. Study participants will also have a thorough neurologic examination and standard neuropsychological testing, including testing of memory, concentration, abstraction and visual spatial functions.

- Twenty-four hours later study participants return to the Institute for Neurodegenerative Disorders where an investigational scanning procedure will be used to obtain SPECT (single photon emission computed tomography) images of the brain.

- Subjects will be asked to return within 3 months following the imaging study to have a repeat neurological examination by the two study neurologists at IND.

- Subjects will be asked to return at about 6 months and possibly again at one year following the imaging study for a final clinical evaluation by one of the study neurologists at IND. ;


Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Single Blind (Subject), Primary Purpose: Diagnostic


Related Conditions & MeSH terms


NCT number NCT00129675
Study type Interventional
Source Institute for Neurodegenerative Disorders
Contact
Status Completed
Phase Phase 2
Start date February 2003
Completion date May 2009

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