Evaluating a new catheter for treating blocked arteries in the legs

Serranator OCT: Understanding the Mechanism of Action of Serration Angioplasty by Serranator Versus Conventional Balloon Angioplasty for below-the Knee (BTK) Artery Disease Using Optical Coherence Tomography (OCT)

Not applicable Interventional Cagent Vascular LLC · NCT06434194

This study is testing a new catheter to see if it can help improve blood flow in patients with blocked leg arteries compared to standard treatment.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment60 (estimated)
Ages19 Years and up
SexAll
SponsorCagent Vascular LLC Industry-sponsored
Locations2 sites (New York, New York and 1 other locations)
Trial IDNCT06434194 on ClinicalTrials.gov

What this trial studies

This clinical trial is a prospective randomized control trial designed to assess the effectiveness of the Serrantor PTA Serration Catheter in treating critical limb ischemia in patients with varying degrees of calcified plaque in below-the-knee arteries. Participants will be randomly assigned to receive either the serration catheter intervention or standard care. The study aims to determine if this new approach can improve blood flow and patient outcomes compared to traditional methods.

Who should consider this trial

Good fit: Ideal candidates are adults over 18 years old with Rutherford clinical category 4-6 in the target limb.

Not a fit: Patients with de novo or restenotic stenosis or occlusion, or those with lesions outside the specified criteria, may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could significantly improve blood flow and reduce complications for patients suffering from critical limb ischemia.

How similar studies have performed: While this approach is innovative, similar studies have shown promise in improving outcomes for patients with critical limb ischemia.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Rutherford clinical category 4-6 of the target limb
* Age of subjects is \>18 years old
* Patients has given informed consent to participate in this study

Exclusion Criteria:

* De novo or restenotic (without prior stent) stenosis (≥70%) or occlusion
* Target lesion is in the BTK arteries, including below the knee popliteal, tibioperoneal trunk, tibial, peroneal, and pedal arteries.
* Angiographic visual estimated reference vessel diameter is between 2.0 and 5.0 mm.
* Lesion length less than 220 mm

Where this trial is running

New York, New York and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Critical Limb Ischemia
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.