[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"leadSponsorName\":\"Ningcheng Peter Li\",\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:":43},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":13,"acronym":4,"eligibilityCriteria":14,"healthyVolunteers":15,"sex":16,"minAge":17,"maxAge":18,"enrollmentInfo":19,"targetDuration":4,"studyType":22,"phases":23,"briefSummary":25,"conditions":26,"keywords":29,"overallStatus":31,"whyStopped":4,"lastUpdateSubmitDate":32,"lastUpdatePostDateStruct":33,"startDateStruct":36,"completionDateStruct":38,"leadSponsor":40,"locationsCount":5},"100584337","pelvic-vein-quantitative-flow-characterization-using-2d-and-4d-flow-mri-100584337",false,"NCT06888024","Pelvic Vein Quantitative Flow Characterization Using 2D and 4D Flow MRI","Arm 1: Inclusion Criteria:\n\n• No self-reported history of pelvic or iliac venous disease or associated symptoms\n\nExclusion Criteria:\n\n* History of pelvic or iliac venous disease or intervention\n* Contraindication to MRI examination\n* Prisoners\n* Subjects ≤ 18 years of age\n* Pregnant women\n* Adults unable to provide informed consent\n\nArm 2: Inclusion Criteria:\n\n• Clinical symptoms or imaging findings compatible with left iliac vein compression syndrome\n\nExclusion Criteria:\n\n* History of pelvic or iliac venous intervention\n* Contraindication to MRI examination\n* Prisoners\n* Subjects ≤ 18 years of age\n* Pregnant women\n* Adults unable to provide informed consent\n\nArm 3: Inclusion Criteria:\n\n• History of left iliac vein stent placement\n\nExclusion Criteria:\n\n* Contraindication to MRI examination\n* Prisoners\n* Subjects ≤ 18 years of age\n* Pregnant women\n* Adults unable to provide informed consent",true,"ALL","18 Years","89 Years",{"count":20,"type":21},15,"ESTIMATED","INTERVENTIONAL",[24],"NA","The purpose of the study is to quantitatively characterize the flow in the pelvic venous structures using 2D and 4D flow MRI with the objective of establishing physiologic and pathologic parameters for downstream computational fluid dynamics analysis.\n\nArm 1: To establish the baseline flow characteristics of the iliac veins in patients with no imaging evidence of iliac venous disease.\n\nArm 2: To assess the flow characteristics of the iliac veins in patients with left iliac vein compression syndrome (a.k.a. May-Thurner syndrome).\n\nArm 3: To assess the flow characteristics of the iliac veins in patients status post iliac stent placement.",[27,28],"May-Thurner Syndrome","Iliac Venous Compression",[27,30],"Iliac Venous Disease","RECRUITING","2025-09-18",{"date":34,"type":35},"2025-09-24","ACTUAL",{"date":37,"type":35},"2025-04-01",{"date":39,"type":21},"2027-01-01",{"name":41,"class":42},"Ningcheng Peter Li","OTHER",""]