Which leg artery fix works best? trial puts bypass, stents, and balloons head to head
NCT ID NCT06485622
First seen Sep 10, 2026 · Last updated Sep 11, 2026 · Updated 1 time
Summary
Researchers at one hospital are observing 400 people with arteriosclerosis obliterans, a condition where plaque blocks arteries in the legs. The study compares four common procedures: bypass surgery, bare metal stents, plain balloon angioplasty, and drug-coated balloons. Over three years, the team tracks limb salvage, blood flow through treated vessels, major limb events, and deaths to see which approach works best and at what cost.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Leg artery procedures: bypass surgery, bare metal stents, plain balloon angioplasty, and drug-coated balloons
- What this could lead to
- If one approach clearly outperforms the others, doctors could choose the most effective and cost-efficient procedure for people with blocked leg arteries.
- What could go wrong
- This is an observational study, so it cannot prove cause and effect. Results from one hospital may not apply everywhere, and patients who receive different procedures may differ in ways that skew the comparison.
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.
- Participants
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About 400 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2024
- Expected to finish
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Jul 2029
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
lower extremity arteriosclerosis obliterans
- 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.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Age 18 years or older, gender is not limited. 2. Patients diagnosed with arteriosclerosis obliterans. 3. Rutherford stages 2-6. 4. When there are multiple stenosis lesions, the treatment of the most severe lesion is included. 5. Patients with at least one arterial occlusion ( iliac, femoral, popliteal, anterior tibial, posterior tibial, and/or peroneal artery) of the lower extremity were included. Exclusion Criteria: 1. Malignant tumor 2. Alzheimer's disease 3. Blood disease or bleeding tendency 4. Heart Failure Grade III \~ IV 5. Pregnancy or lactation 6. An above-knee-below-knee amputation has been performed 7. Unable to accept therapeutic function tests 8. Life expectancy is less than six months 9. Combined with other diseases affecting walking 10. Cardiovascular and cerebrovascular events occurred within 3 months, including non-fatal myocardial infarction, unstable angina, stable angina, non-fatal ischemic stroke and hemorrhagic stroke 11. Patients with significant abnormal liver and renal function that the investigators judged to be clinically significant
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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The First Affiliated Hospital of Sun Yat-sen University
RECRUITINGGuangzhou, Guangdong, 510030, China