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RECRUITING Not applicable ClinicalTrials.gov

Pelvic Vein Quantitative Flow Characterization Using 2D and 4D Flow MRI

Sponsor: Ningcheng Peter Li • ClinicalTrials.gov ID: NCT06888024

Registry updated: 2026-09-24
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Description

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. Arm 1: To establish the baseline flow characteristics of the iliac veins in patients with no imaging evidence of iliac venous disease. Arm 2: To assess the flow characteristics of the iliac veins in patients with left iliac vein compression syndrome (a.k.a. May-Thurner syndrome). Arm 3: To assess the flow characteristics of the iliac veins in patients status post iliac stent placement.

Interventions

  • non-contrast enhanced abdomen and pelvis MRI (Procedure)
    non-contrast enhanced abdomen and pelvis MRI

Eligibility criteria

Arm 1: Inclusion Criteria: • No self-reported history of pelvic or iliac venous disease or associated symptoms Exclusion Criteria: * History of pelvic or iliac venous disease or intervention * Contraindication to MRI examination * Prisoners * Subjects ≤ 18 years of age * Pregnant women * Adults unable to provide informed consent Arm 2: Inclusion Criteria: • Clinical symptoms or imaging findings compatible with left iliac vein compression syndrome Exclusion Criteria: * History of pelvic or iliac venous intervention * Contraindication to MRI examination * Prisoners * Subjects ≤ 18 years of age * Pregnant women * Adults unable to provide informed consent Arm 3: Inclusion Criteria: • History of left iliac vein stent placement Exclusion Criteria: * Contraindication to MRI examination * Prisoners * Subjects ≤ 18 years of age * Pregnant women * Adults unable to provide informed consent

Conditions

May-Thurner Syndrome Iliac Venous Compression

Locations

  • University of Massachusetts — Worcester, Massachusetts, United States
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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

View Official Record