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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04443439
Other study ID # 2018LCYJ005
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date October 9, 2020
Est. completion date December 1, 2026

Study information

Verified date October 2022
Source Tang-Du Hospital
Contact Wen Wang, Ph.D.
Phone +8618629066628
Email wangwen@fmmu.edu.cn
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Intracranial artery stenosis is an important cause of ischemic stroke, but the degree of intracranial artery stenosis is not completely matched with the symptoms of ischemic stroke. Asymptomatic carotid stenosis (ACS) refers to does not appear related neurological symptoms of carotid stenosis and stroke or transient ischemic attack of carotid stenosis, did not happen cerebrovascular events such as stroke, but there have been a different degree of cognitive impairment, be badly in need of development of noninvasive imaging methods, objective evaluation of the ACS group cognitive impairment, and predict the ACS risk of ischemic stroke. Therefore, this topic proposed comprehensive cognitive assessment, CTA, double modal MRI techniques, clinical and biochemical indicator detection, mathematical modeling and statistical analysis techniques, assess the ACS group and normal person the cognitive ability, the difference of NVC and local perfusion, and follow-up ACS crowd of ischemic stroke and other cardiovascular events, discuss ACS and cognitive impairment, the correlation of NVC and local perfusion abnormalities, screening of radiographic predictor of ischemic stroke, and in the follow-up of ACS population in testing the sensitivity of the series of indicators and specific degrees.


Recruitment information / eligibility

Status Recruiting
Enrollment 100
Est. completion date December 1, 2026
Est. primary completion date November 15, 2026
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria: 1. Mild stenosis group: CTA suggested carotid stenosis < 30%; 2. Moderate stenosis group: CTA suggested carotid stenosis of 30-69%; 3. Severe stenosis group: CTA indicated carotid stenosis =70%; Exclusion Criteria: 1. dementia, MMSE score < 21; 2. previous carotid stenosis related neurological symptoms or transient ischemic attack; 3. other craniocerebral lesions, such as craniocerebral trauma, tumor, inflammation, and complications of great vessels (cerebral infarction or cerebral malacia); 4. contraindications for MRI examination; 5. recent use of psychoactive drugs or hormones.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
GE Discovery MR750 3.0t superconducting MRI
T2WI, FLAIR, DWI, 3D BRAVO, 3D-ASL, rs-fMRI, DKI sequences to exclude other organic lesions

Locations

Country Name City State
China Wen Wang Xi'an

Sponsors (1)

Lead Sponsor Collaborator
Tang-Du Hospital

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Dynamic change and correlation analysis of multi-dimensional features of ACS degree and cognitive impairment The Montreal cognitive assessment (MoCA) scale was used to evaluate the differences in cognitive function between ACS and the healthy control group in different dimensions, and the horizontal correlation analysis between ACS and cognitive impairment was conducted according to the dimensions of cognitive impairment and the degree of ACS. 2020.01
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