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Assessment of Superficial Femoral Artery Lesions With FFR From the ACIST Navvus® Catheter — FLO THRU  

Peripheral Arterial Disease Clinical Trial

Official title:
Assessment of Superficial Femoral Artery Lesions With FFR From the ACIST Navvus® Catheter

Clinical Trial Summary

This study is intended to help establish standard procedures for use of FFR in the peripheral arterial system and to evaluate the correlation of post-procedural FFR values and clinical outcomes in Superficial Femoral artery (SFA) interventions in subjects ages 18 to 79 with PAD.

Clinical Trial Description

The ACIST Navvus Rapid Exchange FFR MicroCatheter is a rapid exchange catheter with a pressure sensor located at the distal tip that allows the operator to use their preferred standard 0.014-inch coronary guidewire for peripheral vascular intervention (PVI), eliminating the need for a wire exchange. The fractional flow reserve (FFR) measurements obtained with Navvus represent the degree of stenosis in an artery via comparison of the distal lesion value to the proximal lesion value. While FFR has evolved as the gold standard for identifying coronary stenoses that may cause myocardial ischemia, it remains underutilized in the diagnosis and treatment of peripheral lesions. FFR cutoff values which could guide PVI decisions are yet to be defined and accepted. Routine use of FFR in patients with peripheral artery disease (PAD) may play an important role in determining the appropriateness of interventions in the peripheral vasculature by introducing a more objective assessment. Shishehbor and Agarwal further highlighted the potential economic benefit of FFR use in peripheral vessels by stating "The Affordable Care Act and higher emphasis on quality rather than quantity should support the use of [IVUS or FFR] to make peripheral interventions more accurate, safer, and better". This study is intended to help establish standard procedures for use of FFR in the peripheral arterial system and to evaluate the correlation of post-procedural FFR values and clinical outcomes in Superficial Femoral artery (SFA) interventions in subjects ages 18 to 79 with PAD (Rutherford Classification 2, 3, 4, or 5). FFR measurements will be collected using the Navvus catheter pre- and post-PVI. A subset of study subjects will also have post-intervention IVUS imaging performed with the Kodama catheter. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05079906
Study type Interventional
Source Acist Medical Systems
Contact
Status Withdrawn
Phase N/A
Start date May 2022
Completion date June 2024
View Details
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