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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT03909828
Other study ID # 2018-10-001B
Secondary ID
Status Not yet recruiting
Phase
First received
Last updated
Start date April 2019
Est. completion date December 31, 2021

Study information

Verified date April 2019
Source Taipei Veterans General Hospital, Taiwan
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

In nuclear medicine PET examinations, labeled radiopharmaceuticals are possible to enter the putamen and caudate nucleus regions of the striatum in the brain by intravenous injection. The severity of Parkinson's disease is assessed and diagnosed by quantitative analysis of the defect in the image of the radiopharmaceuticals. Clinical studies often use manual selection of regions of interest (ROIs) for quantitative analysis. However, this method causes human error and low reproducibility due to subjective factors, and also considerable time consuming. Therefore, in order to solve the above problems, this research project plans to build an automated quantitative analysis system for PET/MRI images. The quantitative analysis of the PET images is performed automatically by using the putamen and caudate ROI segmented by the MRI images. This automated quantitative analysis system is expected to improve the time-consuming, low reproducibility, and subjectivity problems of traditional manual ROI selection method, and provide a useful tool for the diagnosis of early PD. In the first year, this sub-project is expected to perform MRI T1 and 18F-FDOPA PET scanning of before and after acupuncture-treated PD patients provided by sub-project 3. In the second year, the correlation analysis will be made with the results of tremor test provided by sub-project 1 and that of the 99mTc-TRODAT SPECT image quantification provided by sub-project 4.


Description:

Parkinson's disease (PD) is a neurodegenerative disease whose pathogenic mechanism is the degeneration of substantia nigra of the midbrain, causing the degeneration of dopaminergic neurons in the putamen and caudate nucleus of the striatum, and the dopamine content in the synapses decreases and gradually loses the ability to act. Most of the clinical symptoms are motor function defects. The most obvious symptoms are tremor, limb stiffness, motor dysfunction and gait abnormality, and cognitive and behavioral problems may occur. In nuclear medicine PET examinations, labeled radiopharmaceuticals are possible to enter the putamen and caudate nucleus regions of the striatum in the brain by intravenous injection. The severity of Parkinson's disease is assessed and diagnosed by quantitative analysis of the defect in the image of the radiopharmaceuticals. Clinical studies often use manual selection of regions of interest (ROIs) for quantitative analysis. However, this method causes human error and low reproducibility due to subjective factors, and also considerable time consuming. Therefore, in order to solve the above problems, this research project plans to build an automated quantitative analysis system for PET/MRI images. The quantitative analysis of the PET images is performed automatically by using the putamen and caudate ROI segmented by the MRI images. In this study, patients will perform MRI T1 and 18F-FDOPA PET scanning of before and after acupuncture-treated PD patients in VGHTPE PET/MRI scanner. Every patient will be administered 185 MBq (5 mCi) of 18F-FDOPA by IV injection. The MRI image is used to extract the target and background ROIs (region of interests), and is coregistered to the PET image. The ROIs generated by MRI image will be applied to its corresponding PET image. Then, specific uptake ratio (SUR) will be calculated for each patient. The calculation of SUR is the difference between the average image pixel value of the target ROI (left and right striatum) and the average image pixel value of the background ROI (occipital lobe) divided by the average value of the background ROI. After calculated each patients' standard uptake ration, Asymmetry index (ASI) can be calculated based on the absolute difference of SUR value of both sides (left and right) of striatum, divided by average SUR value of both sides of striatum. This automated quantitative analysis system is expected to improve the time-consuming, low reproducibility, and subjectivity problems of traditional manual ROI selection method, and provide a useful tool for the diagnosis of early PD. In the first year, this sub-project is expected to perform MRI T1 and 18F-FDOPA PET scanning of before and after acupuncture-treated PD patients provided by sub-project 3. In the second year, the correlation analysis will be made with the results of tremor test provided by sub-project 1 and that of the 99mTc-TRODAT SPECT image quantification provided by sub-project 4.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 100
Est. completion date December 31, 2021
Est. primary completion date December 31, 2021
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria:

1. Diagnosed as Idiopathic Parkinsonism by Neurologist

2. Have taken first line drugs more than three months

3. Did not take any acupuncture or rehabilitation

4. Voluntary

Exclusion Criteria:

1. Taking anticancer drug now or diagnosed as depression, psychosis or other mental illnesses

2. Medical history of stroke or dementia

3. Taking anticoagulant now or having coagulation disorders

4. Scalp infection

5. Pregnant women

6. Patient with irregular heartbeat, implanted artificial cardiac pacemaker or implanted cardioverter-defibrillator

7. Belonephobia

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Taipei Veterans General Hospital, Taiwan

Outcome

Type Measure Description Time frame Safety issue
Other statistical method-T test after all the measure, we will use T test as the statistical method to do data analysis 1 year
Primary The comparison of the change of Standard Uptake Ration (SUR) This study will collect images from a total of 100 PD patients (20 patients in the first year and 80 patients in the second year). Patients will perform MRI T1 and 18F-FDOPA PET scanning of before and after acupuncture-treated PD patients in VGHTPE PET/MRI scanner. Every patient will be administered 185 MBq (5 mCi) of 18F-FDOPA by IV injection. The MRI image is used to extract the target and background ROIs (region of interests), and is coregistered to the PET image. The ROIs generated by MRI image will be applied to its corresponding PET image. Then, specific uptake ratio (SUR) will be calculated for each patient. The calculation of SUR is the difference between the average image pixel value of the target ROI (left and right striatum) and the average image pixel value of the background ROI (occipital lobe) divided by the average value of the background ROI.The unit of pixel is mm and the unit of SUR measurement is percentage (%). 2 Months
Secondary The comparison of the change of asymmetry index (ASI) After calculated each patients' standard uptake ration, Asymmetry index (ASI) can be calculated based on the absolute difference of SUR value of both sides (left and right) of striatum, divided by average SUR value of both sides of striatum. The unit of ASI measurement is percentage (%). 2 Months
Secondary Unified Parkinson's Disease Rating Scale A comprehensive assessment of both motor and non-motor symptoms associated with Parkinson's. The Unified Parkinson's Disease Rating Scale is made up of 42 items. These items are divided into six sections which are separately "evaluation of mentation, behavior, and mood", "self-evaluation of the activities of daily life", "clinician-scored monitored motor evaluation", "complications of therapy", "Hoehn and Yahr staging of severity of Parkinson's disease" and "Schwab and England ADL scale".The evaluation score for the first item to the 39th item is 0 to 4 points. The evaluation score for the 40th to the 42th item is 0 to 1 points. The higher score meand the worse condition. The sum of all the items'score is the score of the scale. Highr Rating Scales'scores indicate severe symptoms. 2 Months
Secondary Micro Vibration Scan Discover early symptom before the onset.
Recognize PD tremor pattern within 1 minute.
Non-invasive, Non-radiation, and Low-cost medical device for daily tracking and treatment evaluation.
1. Discover early symptom before the onset. 2. Recognize PD tremor pattern within 1 minute. 3. Non-invasive, Non-radiation, and Low-cost medical device for daily tracking and treatment evaluation.
Discover early symptom before the onset.
Recognize PD tremor pattern within 1 minute.
Non-invasive, Non-radiation, and Low-cost medical device for daily tracking and treatment evaluation.
2 Months
Secondary Constitution in Chinese Medicine Questionnaire (CCMQ) Sixty items were applied to measure the nine constitutions: Neutral (a normal constitution), Qi-deficiency constitution, Yang-deficiency constitution, Yin-deficiency constitution, Phlegm-dampness constitution, Damp-heat constitution, Stagnant-blood constitution, Stagnant-Qi constitution, and Inherited-special constitution. 2 Months
Secondary Sphygmograph Diagnoses patient's pulse change 2 Months
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