May-Thurner syndrome
MONDO:0043361A compression of ILIAC VEIN that results in a decreased flow in the vein and in the left LOWER EXTREMITY due to a vascular malformation. It may result in left leg EDEMA, pain, iliofemoral DEEP VENOUS THROMBOSIS and POSTTHROMBOTIC SYNDROME. Compression of the left common ILIAC VEIN by the right common ILIAC ARTERY against the underlying fifth LUMBAR VERTEBRA is the typical underlying malformation.
Also known as: May-Thurner syndrome, iliac vein compression syndrome, Cockett syndrome, Iliac vein compression syndrome, Iliocaval compression syndrome, Iliocaval compression syndromes, May Thurner syndrome, compression syndrome, Iliocaval
13 clinical trials for this condition and its sub-types, 8 tagged with May-Thurner syndrome itself.
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New stent aims to restore blood flow in blocked leg veins
Disease control OngoingThis study tests a new medical device called the GORE VIAFORT stent, which is a small mesh tube placed inside a blocked or narrowed vein in the leg or pelvis to keep it open. The goal is to improve blood flow and reduce symptoms like pain, swelling, and leg ulcers. About 165 adul…
Sponsor: W.L.Gore & Associates • Aim: Disease control
Last updated Aug 14, 2026 00:00 UTC
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Family link study for rare leg vein condition pulled before start
Knowledge-focused CancelledThis study planned to check how often May-Thurner syndrome, a condition where a leg vein is compressed, occurs in close relatives of people who have it. Researchers wanted to use ultrasound to screen family members. However, the study was withdrawn before any participants were en…
Sponsor: University Hospital of Limerick • Aim: Knowledge-focused
Last updated Jun 26, 2026 18:45 UTC