- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04472325
The Differential Diagnosis and Prognosis of Idiopathic and Atypical Parkinson Disease by Using Diffusion MRI
The hypothesis is that the differential extent of microstructural damages in the affected brain regions can be specific to the disease of interest and could reflect the clinical severity. Therefore, we propose that the whole brain parcellation of diffusion MRI can be used to improve the diagnosis and prediction of clinical outcomes in Parkinson's Disease.
- A regression model between clinical severity and two-year clinical outcomes and diffusion properties from multiple parcellated regions will be developed.
- Blind validation will be performed.
Study Overview
Status
Conditions
Detailed Description
Parkinson's disease (PD) is a common progressive neurodegenerative disorder characterized by resting tremor, bradykinesia, restricted mobility, and postural instability. Early diagnosis of PD would be paramount for further treatment and prognosis. The most common neurodegenerative parkinsonian syndrome is known as Parkinson's disease (PD) or idiopathic Parkinson syndrome, if it occurs sporadically (not familial) and its lead clinical symptom is a movement disorder after brainstem-predominant α-synuclein deposition. To distinguish them from Parkinson's disease, other sporadic entities have been named atypical parkinsonian syndromes or atypical parkinsonism. The present review article describes current standards for the diagnosis and treatment of the most important disease entities in this latter group: dementia with Lewy bodies (DLB), multiple system atrophy (MSA), progressive supranuclear palsy (PSP), and corticobasal degeneration (CBD).
PD is diagnosed mainly by neurologists, based on clinical symptoms. However, there are no objective criteria available for their diagnosis. Although magnetic resonance imaging (MRI) is often employed in conjunction with clinical judgment, the images are mostly used to eliminate other diseases, rather than to confirm the diagnosis. Other imaging methods, such as Positron Emission Tomography or Computed Tomography, may help in the diagnosis of PD but have harmful effects on the human body. MRI image of patients with Parkinson's disease is usually normal. Previous studies have also indicated that brain-related areas, such as the atrophy of basal ganglia, are not observed until a period of disease progression. However, the shrinkage of brain tissue cannot be used as a criterion for the diagnosis of Parkinson's disease, because many other diseases are accompanied by atrophy of brain tissue as well. Furthermore, because human brain cells cannot regenerate, It is too late to diagnose or treat when a large number of nerve cells are apoptotic. Since we expect the function of the diseased cells to change first, therefore, if you can detect changes in the patient's brain microenvironment, it is possible to achieve early detection of Parkinson's disease. Magnetic resonance imaging can detect functional images and display functional changes, thus providing an opportunity to detect abnormalities and diagnose diseases early. One of the key technologies in the measurement of functional images is diffusion magnetic resonance imaging.
Diffusion MRI has been widely utilized to investigate the patterns of neural connectivity. Mean diffusivity (MD) and the directionality (fractional anisotropy (FA)) have been studied in epilepsy, multiple sclerosis, and noticeably in Parkinson's Disease. Owing to their paramount pathogenetic role in Parkinson's disease, the basal ganglia in general and the substantia nigra pars compacta, in particular, have been the subject of intense MRI investigation.
The plan uses standard anatomic labeling (AAL) to perform whole-brain diffusion MRI to obtain diffusion data for the whole brain parcellation. We will use statistical methods to identify the areas affected by each PD's subtype, we will also identify areas that are likely to be related to the severity of the disease, and then combine these areas for linear regression analysis. We anticipate that diffusion magnetic resonance imaging can be used as a differential diagnosis, as well as to define areas of high correlation with clinical severity, and to be used for accurate disease prediction and future development, and to provide physicians and patients with clinically important information.
The program uses diffusion magnetic resonance imaging to assess clinical status and prognosis for Parkinson's disease. Our research goal is
- Establish objective and clear imaging diagnostic criteria of diffusion MRI for idiopathic and atypical Parkinson's disease.
- Establish objective and clear clinical severity and the prognosis prediction mode of diffusion MRI for idiopathic and atypical Parkinson's disease.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Taoyuan, Taiwan, 333
- ChangGung Memorial Hospital, Linkou
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
All subjects should meet the following criteria:
- Between 50-80 years old
- Right-handed
- Able to understand study requirements and give informed consent
- Agree to return for follow-up checks
- Able to suspend intake of medication for at least 12 hours
Description
Inclusion Criteria:
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Exclusion Criteria:
- Cardiac pacemaker or defibrillator implantation Intracranial metal device implantation
- Other major systemic diseases, such as renal failure, heart failure, stroke, AMI/unstable angina, poorly controlled diabetes mellitus, poorly controlled hypertension
- Alcohol or drug abuse
- Moderate to severe dementia
- Severe movement disorders
- Imaging data is similar to a nuclear medical examination, exclusion criteria is any abnormality that may affect cognitive function as reflected in computer tomography or MRI records, such as hydrocephalus or encephalitis. Mild cortical atrophy is acceptable.
- History of intracranial surgery including thalamotomy, pallidotomy, and/or deep brain stimulation
- Major physical or neuropsychiatric disorders
- Structural abnormalities that may cause dementia, such as cortical infarction, tumour, or subdural hematoma
- Besides medication for Parkinson's Disease, taking other medication with substances that can pass through the blood-brain barrier
- Besides medication for Parkinson's Disease, taking other medication for more than 10 years
- Treatments or concurrent illnesses other than Alzheimer's Disease that could interfere with cognitive function
- Meet the criteria for dementia (DSM-IV)
- Head trauma with loss of consciousness greater than 10 minutes
- Severe loss of sensation
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
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Atypical Parkinson's Disease patients
This group consists of patients includes 35 patients with Progressive Supranuclear Paralysis (PSP), 35 patients with Multiple System Atrophy (MSA), and 35 patients with Cortico-Basal Degeneration (CBD).
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Idiopathic Parkinson's Disease patients
This group consists of patients starting from 2012 to 2013 and includes 87 patients with typical Parkinson's Disease (PD)
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Healthy volunteers
The 96 healthy volunteers should meet the following criteria:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
An objective image-based evidence for the diagnosis, differential diagnosis and prognosis of Parkinson's Disease
Time Frame: end of the third year
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The following will be measured for the diagnostic performance of diffusion MRI:
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end of the third year
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
differential diagnosis
Time Frame: end of the second year
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To differentiate patient of PD from PD + using diffusion MRI
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end of the second year
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prognosis
Time Frame: end of the third year
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To predict the outcome of patient with PD using the diffusion MRI at baseline
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end of the third year
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prognosis
Time Frame: end of the third year
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Methods for evaluation of worsening cognitive function in neurodegenerative disease
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end of the third year
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Imaging
Time Frame: end of the third year
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High-quality diffusion MRI and image data restoration
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end of the third year
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Imaging
Time Frame: end of the third year
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High-quality diffusion MRI imaging standards, parcellation methods and image processing protocol
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end of the third year
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 106WFD2650309
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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