- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00820937
Diagnostic of Lewy Body Dementia by Combining Scintigraphy (SPECT) Using a Specific Transporter and Magnetic Resonance Imaging (MRI) (DatScan)
Interest of the Combination of the DaTSCAN Scintigraphy and MRI Scan in the Differential Diagnosis of Lewy Body Dementia From Alzheimer Disease in Patients With Hallucinations
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Lewy body dementia is the second leading cause of dementia in France after degenerative Alzheimer's disease.
However its dignosis is difficult. Its comes in large part from the similarity of symptoms with another close dementia syndrome : the Alzheimer disease . Therfore, its is very important to have a mean to distinguish between the two dementias.
One highlight of the Lewy body dementia process being dopaminergic degeneration, the use of specific radioactive tracers is thought to be the way. The radiotracer that has the greatest advantage for these explorations is currently the DaTSCAN because it binds specifically on the dopamine transporter and can be used in Single photon emission computed tomography (SPECT).
The aim of this study is to improve the performance of imaging in the diagnosis of dementia by combining scintigraphy (SPECT) and magnetic resonance imaging (MRI) in the exploration of the striatal region . The development of this method applied to a population of subjects, with hallucinations and cognitive disorders, should demonstrate the value and complementarity of metabolic images (SPECT) and morphological (MRI) within the differential diagnosis of Lewy body dementia and the Alzheimer disease .
From a methodological point of view, the patient will be included in hospital and will have a clinical diagnosis defined according to the criteria of dementia NINCDS-ADRDA for the Alzheimer disease and Mc-Keith criteria for Lewy body dementia. Their MMSE will be over 18 and they have in common recurrent visual hallucinations.
After the inclusion, two steps must be distinguished, a neuropsychological evaluation stage and an scitigraphy exploration . Before the SPECT , all patients should have an MRI.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Limoges, France, 87000
- Département de Gérontologie - Chu Limoges
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Limoges, France, 87000
- Pôle de psychiatrie du sujet âgé - CH Esquirol
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Limoges, France, 87000
- Service de Neurologie - CHU de Limoges
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients with alzheimer disease following NINCDS-ADRDA scale or Lewy body dementia following Mc Keith scale.
- Aged between 65 et 90 years
- Patients with visual hallucination
- Patients with helping people
- Patients with MMSE (Mini Mental State Examination) equal or more than 18.
- Signed consent
Exclusion Criteria:
- Hospitalized patients without their consent
- Patients who have not passed the neuropsychological tests
- Patients with a MMSE less than 18
- Patients without helping
- Patients with no visual hallucinations
- Patients with severe somatic pathology.
- Pregnancy
- Allergy to iodine
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
SPECT and MRI differential imaging
Time Frame: Visit 1
|
Visit 1
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Neuropsychological analysis
Time Frame: Visit 1
|
Visit 1
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- I04014
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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