Family link study for rare leg vein condition pulled before start
NCT ID NCT05409781
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This 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 However, the study was withdrawn before any participants were enrolled.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Expected to start
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Sep 2025
An estimate. Start dates often move.
- Expected to finish
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Jan 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
The pathogenesis of MTS is largely unknown and whilst the condition is known to be more prevalent in females, familial risk factors are largely unknown. To our knowledge, no studies have previously assessed the prevalence of MTS in relatives of those with the condition.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Informed consent, first degree relative with symptomatic May-Thurner syndrome Exclusion Criteria: * Those who not give informed consent to be contacted or to be scanned.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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