PROMISE III: LimFlow System for Chronic Limb-Threatening Ischemia

This study is testing a device called the LimFlow Stent Graft System for people with late-stage chronic limb-threatening ischemia (CLTI), a severe form of peripheral arterial disease where blood flow to the leg is very poor. The LimFlow System creates a new connection between an artery and a vein in the leg to improve blood flow when other treatments aren't possible. We want to see if this system can help prevent amputation. You might be able to join if you are between 18 and 95 years old and have a diagnosis of CLTI, specifically Rutherford Classification 5 (meaning you have an ischemic ulcer) or other severe symptoms. The main goal is to see how many people are alive and haven't had an amputation after 6 months. The study is currently recruiting participants.

Study design
This is a single-arm study, meaning all participants will receive the LimFlow Stent Graft System. It plans to enroll 100 participants.
What's involved
Not specified in the trial record.
Compensation
Not stated in the trial record.
Follow-up
Participants will be followed for at least 6 months to assess amputation-free survival.

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NCT05313165

PROMISE III: Percutaneous Deep Vein Arterialization for the Treatment of Late-Stage Chronic Limb-Threatening Ischemia

Recruiting
NAAges 18–95InterventionalTreatment
LimFlow, Inc.
~100 participants
Updated 2026-04-16 on ClinicalTrials.gov
What's tested:LimFlow Stent Graft System

At a glance

Recruiting sites
8 of 30 listed sites are recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Amputation Free Survival
Measured over 6 Months
Critical Limb Ischemia
Chronic Limb-Threatening Ischemia
Peripheral Arterial Disease
30 sites across 17 states
California4
New York4
Florida3
Massachusetts3
New Jersey2
Pennsylvania2
Wisconsin2
Connecticut1
  • Daniel Clair, MD · PRINCIPAL_INVESTIGATOR · Vanderbilt University
  • Mehdi Shishehbor · PRINCIPAL_INVESTIGATOR · University Hospital Cleveland

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Do you actually qualify for this trial?

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Eligibility criteria

Inclusion

On dialysis for \> 6 months
Autologous arteriovenous (AV) fistula or peritoneal access used for hemodialysis
Serum albumin \> 30 g/liter
BMI \> 20
  • Amputation Free Survival6 Months

    Freedom from major (above-ankle) amputation and death (all-cause mortality)