At a glance
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Pivotal Trial to Evaluate the Safety and Efficacy of the Diamondback 360°® Orbital Atherectomy System in Treating De Novo, Severely Calcified Coronary Lesions (ORBIT II)
In Brief
A clinical study evaluating Diamondback 360 Orbital Atherectomy System for Coronary Artery Disease. Completed, enrolled 443 participants across 51 sites.
Detailed Summary
This is a prospective, single-arm, multi-center study to evaluate the safety and performance of the OAS in treating de novo, severely calcified coronary lesions in adult subjects. Study is going to enroll up to 429 subjects in up to 50 U.S. study sites. The primary safety endpoint is 30-day MACE and primary efficacy endpoint is procedural success. All subjects will be treated with the orbital atherectomy system and adjunctive stent. All subjects will be followed in clinic at 30 days. Additionally, all subjects will have an annual phone call or clinical follow up at each anniversary until study is closed.
Study Details
Timeline
Interventions
Diamondback 360 Orbital Atherectomy System. The (OAS) utilizes a diamond-coated eccentric crown that, while rotating over an atherectomy guide wire, expands the lumen diameter laterally via centrifugal forces (up to a maximum orbit diameter for a given rotational speed and crown diameter). It is a minimally invasive PCI procedure.