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Evaluating Plaque Photoablation Using an Excimer Laser in Patients With Lower Extremity Vascular Disease

Peripheral Arterial Disease Clinical Trial

Official title:
A Prospective, Multi Center Pilot Study Evaluating Plaque Photoablation Using the RA-308 Excimer Laser in Subjects With Symptomatic Infrainguinal Lower Extremity Vascular Disease

Clinical Trial Summary

The purpose of this study is to evaluate the safety and efficacy of an excimer laser in the treatment of patients with lower extremity vascular disease with chronic total occlusions.

Clinical Trial Description

The study is a multi center, prospective, non-randomized, open-label study conducted at a minimum of one investigational center. 50 subjects can be enrolled. Follow-up occurs at the end of the procedure in the form of an angiogram to determine if the lesion was crossed. Additional follow-up may not necessary because of the binary nature of the crossing, and also because any future follow-up would be assessing the effectiveness of adjunct therapy, e.g. balloon angioplasty. Long term results are entirely dependent on this subsequent treatment. Because the DABRA crosser only allows adjunct devices to be used, 30-day follow-up measuring the performance of the adjunct therapy might affect the physician's choice of therapy, and compromise the patient's treatment. Therefore, 30-day follow-up, which evaluates the effectiveness of the adjunct therapy, might raise ethical concerns. However, the follow-up can be done by Ankle-Brachial Index, Doppler ultrasound, auscultation, or by discussion of the level of claudication and motion pain with the patient. To evaluate the safety and efficacy of the RA-308 Excimer Laser System and DABRA Catheter for treating subjects with symptomatic infrainguinal lower extremity vascular disease with chronic total occlusions that cannot be crossed with standard guide wires, or lesions where an attempt to cross would, in the opinion of the interventionalist, result in either a subintimal path or a perforation. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02653456
Study type Interventional
Source Ra Medical Systems
Contact
Status Completed
Phase N/A
Start date April 7, 2016
Completion date July 14, 2017
View Details
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