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Stent or no stent? new study tests best approach for leg artery disease

NCT ID NCT03776799

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares two treatments for complex blockages in the leg's main artery: one avoids stents by using a drug-coated balloon, the other uses a stent. About 120 people with peripheral arterial disease will be randomly assigned to one approach. The goal is to see which keeps the artery open longer and improves walking ability.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Drug-coated balloon (stent-avoiding) or drug-eluting/interwoven stent (stent-preferred)
What this could lead to
If successful, this could show that avoiding stents with drug-coated balloons works as well or better than stenting for complex leg artery blockages, potentially reducing the need for permanent implants.
What could go wrong
This is a small pilot study with only 120 participants, so results may not apply to everyone. Both approaches carry risks like re-blockage or need for repeat procedures.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 120 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jan 2019

Expected to finish

Jul 2026

An estimate. End dates often move.

Lead sponsor

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.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Subject age ≥ 18 2. Subject has been informed of the nature of the study, agrees to participate, and has signed a Medical Ethics Committee approved consent form Subject understands the duration of the study, agrees to attend follow-up visits, and agrees to complete the required testing. 3. Subject has a de novo or restenotic lesion with ≥ 70% stenosis documented angiographically and no prior stent in the target lesion. 4. Rutherford Becker Classification 2-4 5. Both treatment options seem feasible at the operator's discretion 6. Femoropopliteal lesions classified as TASC II Type B-D with a maximum lesion length ≤ 30cm not involving the infrageniculate popliteal artery are eligible. 7. Reference vessel diameter (RVD) ≥ 4 mm and ≤ 6.5 mm by visual estimation. 8. Patency of at least one (1) infrapopliteal artery to the ankle (\< 50% diameter stenosis) in continuity with the native femoropopliteal artery. The inflow artery(ies) cannot be treated using a drug eluting stent or drug coated balloon 9. A guidewire has successfully traversed the target treatment segment. Exclusion Criteria: 1. Failure to successfully cross the target lesion 2. Angiographic evidence of severe calcification that makes a stent-avoiding approach not feasible at the operator's discretion. 3. Femoropopliteal lesions classified as TASC II Typ A (single stenosis \>=10cm and single occlusion \>=5cm) 4. Presence of fresh thrombus in the lesion. 5. Presence of aneurysm in the target vessel/s 6. Presence of a stent in the target lesion 7. Prior vascular surgery of the target lesion. 8. Stroke or heart attack within 3 months prior to enrollment 9. Any planned surgical procedure or intervention performed within 30 days prior to or post index procedure 10. SFA or PPA disease in the opposite leg that requires treatment at the index procedure 11. Enrolled in another investigational drug, device or biologic study that interferes with the study 12. Life expectancy of less than one year 13. Known allergies or sensitivity to heparin, aspirin, other anticoagulant/ antiplatelet therapies, paclitaxel or contrast media that cannot be adequately pre-treated prior to index procedure 14. Rutherford classification of 0, 1, 5 or 6. 15. Significant gastrointestinal bleeding or any coagulopathy that would contraindicate the use of anti-platelet therapy. 16. Platelet count \<100,000 mm3 or \>600,000 mm3 17. Receiving dialysis or immunosuppressant therapy 18. Pregnant or lactating females. 19. History of major amputation in the same limb as the target lesion 20. Chronic kidney disease (serum creatinine \> 3 mg/dL)

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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.

Contacts and locations

Locations

  • University Clinic Leipzig

    Leipzig, Saxony, 04103, Germany

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