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  • Efficacy of the COronary SInus Reducer in Patients With Refractory Angina II (COSIRA-II) (COSIRA-II) Scottsdale/Phoenix, Ariz.

    The purpose of this study is to demonstrate the safety and effectiveness of the Reducer system for treatment of patients with refractory angina pectoris treated with maximally tolerated guideline-directed medical therapy who demonstrate objective evidence of reversible myocardial ischemia in the distribution of the left coronary artery and who are deemed unsuitable for revascularization.

Closed for Enrollment