[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"carotid-artery-stenosis-symptomatic-and-asymptomatic\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:carotid-artery-stenosis-symptomatic-and-asymptomatic":25},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,2,0,[8,39],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":13,"acronym":4,"eligibilityCriteria":14,"healthyVolunteers":11,"sex":15,"minAge":16,"maxAge":4,"enrollmentInfo":17,"targetDuration":4,"studyType":20,"phases":4,"briefSummary":21,"conditions":22,"keywords":4,"overallStatus":26,"whyStopped":4,"lastUpdateSubmitDate":27,"lastUpdatePostDateStruct":28,"startDateStruct":31,"completionDateStruct":33,"leadSponsor":35,"locationsCount":38},"100651207","comparison-between-non-contrast-magnetic-resonance-angiography-and-carotid-doppler-in-cerebrovascular-stroke-100651207",false,"NCT07756775","Comparison Between Non-contrast Magnetic Resonance Angiography and Carotid Doppler in Cerebrovascular Stroke","Inclusion Criteria:\n\n* Adults aged 18 years or older.\n* Clinically diagnosed ischemic stroke or transient ischemic attack (TIA).\n* Imaging performed within 7-14 days of symptom onset.\n* Hemodynamically stable and suitable for magnetic resonance imaging (MRI).\n* Able and willing to provide written informed consent.\n\nExclusion Criteria:\n\n* Hemorrhagic stroke.\n* Previous carotid artery stenting.\n* Contraindications to MRI, including:\n\n  * Non-MRI-compatible pacemakers or other MRI-incompatible implants.\n  * Cochlear implants.\n  * MRI-incompatible metallic orthopedic implants.\n  * Severe claustrophobia.","ALL","18 Years",{"count":18,"type":19},200,"ESTIMATED","OBSERVATIONAL","This prospective observational study aims to compare the diagnostic performance of non-contrast magnetic resonance angiography (NC-MRA) and carotid Doppler ultrasonography in the evaluation of carotid artery disease among patients with ischemic cerebrovascular stroke or transient ischemic attack. A total of 200 adult patients presenting to Sohag University Hospital will undergo both imaging modalities. The study will assess the agreement between NC-MRA and carotid Doppler in detecting and grading carotid artery stenosis according to the NASCET criteria, with the goal of evaluating the clinical utility of each technique and optimizing imaging strategies for the assessment of cerebrovascular stroke.",[23,24,25],"Ischemic Stroke","Transient Ischemic Attack","Carotid Artery Stenosis (Symptomatic and Asymptomatic)","RECRUITING","2026-08-07",{"date":29,"type":30},"2026-08-11","ACTUAL",{"date":32,"type":30},"2026-07-20",{"date":34,"type":19},"2027-03-20",{"name":36,"class":37},"Sohag University","OTHER",1,{"id":40,"slug":41,"hasResults":11,"nctId":42,"briefTitle":43,"officialTitle":44,"acronym":45,"eligibilityCriteria":46,"healthyVolunteers":11,"sex":15,"minAge":16,"maxAge":4,"enrollmentInfo":47,"targetDuration":4,"studyType":49,"phases":50,"briefSummary":52,"conditions":53,"keywords":54,"overallStatus":62,"whyStopped":4,"lastUpdateSubmitDate":63,"lastUpdatePostDateStruct":64,"startDateStruct":66,"completionDateStruct":68,"leadSponsor":70,"locationsCount":4},"100640568","evaluation-of-balloon-guide-catheter-as-proximal-protection-during-carotid-artery-stenting-embo-protect-100640568","NCT07576790","Evaluation of Balloon Guide Catheter as Proximal Protection During Carotid Artery Stenting (EMBO-PROTECT)","Evaluation of Balloon Guide Catheter as Proximal Protection During Carotid Artery Stenting: A Randomized Study (EMBO-PROTECT)","EMBO-PROTECT","Inclusion Criteria:\n\n* Age ≥ 18 years\n* Symptomatic or asymptomatic carotid artery stenosis\n* Candidate for carotid artery stenting\n* Written informed consent provided\n\nExclusion Criteria:\n\n* Vascular anatomy unsuitable for balloon guide catheter placement\n* Severe renal failure\n* Previous disabling stroke or symptomatic intracranial hemorrhage\n* Evidence of carotid thrombus\n* Severe common carotid artery lesion\n* Chronic atrial fibrillation on oral anticoagulation\n* Acute coronary syndrome within 30 days\n* Contraindications to anticoagulant or antiplatelet therapy\n* Contraindications to MRI\n* Contrast media allergy\n* Lack of prior dual antiplatelet therapy",{"count":48,"type":19},126,"INTERVENTIONAL",[51],"NA","Carotid angioplasty and stenting (CAS) is an effective treatment for carotid artery stenosis but carries a risk of cerebral embolization. This prospective randomized study evaluates the safety and efficacy of proximal embolic protection using a balloon guide catheter during CAS by comparing the incidence of diffusion-weighted MRI-detected microembolisms and symptomatic thromboembolic events between protected and unprotected procedures.",[25],[55,56,57,58,59,60,61],"Carotid stenosis","Carotid artery stenting","Balloon guide catheter","Proximal embolic protection","Cerebral microembolism","Diffusion-weighted MRI","Stroke prevention","NOT_YET_RECRUITING","2026-05-04",{"date":65,"type":30},"2026-05-08",{"date":67,"type":19},"2026-07-01",{"date":69,"type":19},"2027-12-31",{"name":71,"class":37},"Instituto de Investigación Marqués de Valdecilla"]