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REDUCER-I: An Observational Study of the Neovasc Reducer™ System

REDUCER-I: An Observational Study of the Neovasc Reducer™ System

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT02710435
Enrollment
400
Registered
2016-03-16
Start date
2016-03-01
Completion date
2028-12-01
Last updated
2026-07-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Angina Pectoris, Angina Pectoris, Stable, Chronic Stable Angina

Keywords

Coronary Sinus, Reducer, Refractory Angina, Angina Pectoris, Angina Pectoris, Stable, Chronic Stable Angina, Persistent Angina, Neovasc Reducer System, Refractory Angina Pectoris, Coronary Sinus Narrowing, Reversible Ischemic Heart Disease, Chronic Angina, End Stage Angina, Coronary Sinus Reduction, Coronary Sinus Reducer, Chronic Refractory Angina, Chronic Refractory Angina Pectoris

Brief summary

The purpose of this study is to collect long term data of the Reducer System in subjects with refractory angina pectoris.

Detailed description

This study is a multicenter, multi-country three-arm prospective and retrospective investigation in up to 400 subjects conducted at a maximum of 40 investigational centers. Arm 1 will include eligible prospective subjects. Arm 2 will include subjects who were previously enrolled and treated with the Reducer during the COSIRA (Coronary Sinus Reducer for Treatment of Refractory Angina) study. Arm 3 will include subjects who received a Reducer under CE Mark (unrelated to the COSIRA study).

Interventions

DEVICEReducer System

An aid in the management of chronic refractory angina pectoris

Sponsors

Shockwave Medical, Inc.
Lead SponsorINDUSTRY

Study design

Observational model
OTHER
Time perspective
OTHER

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

- ALL Arms: * Subject has been informed about the study and provides written informed consent prior to enrollment * Subject is willing to comply with specified follow-up evaluations Inclusion Criteria - Arm 1: * Symptomatic Coronary Artery Disease (CAD) with chronic refractory angina pectoris despite attempted optimal medical therapy * Subject has limited treatment options for revascularization by Coronary Artery Bypass Grafting (CABG) or by Percutaneous Coronary Intervention (PCI) * Evidence of reversible myocardial ischemia * Left Ventricular ejection fraction (LVEF) greater than or equal to 30% * Male or non-pregnant female Inclusion Criteria - Arm 2: * Subjects previously implanted in the Reducer (treatment) arm of the COSIRA study Inclusion Criteria - Arm 3: * Subjects in whom the Reducer was implanted under CE Mark (unrelated to the COSIRA study), prior to enrollment in the Reducer-I study

Exclusion criteria

- Arm 1: * Acute coronary syndrome within three months prior to enrollment * Recent successful revascularization by PCI or CABG within six months prior to enrollment * Recent unsuccessful PCI (no relief from symptoms) within 30 days prior to enrollment * Unstable angina (recent onset angina, crescendo angina, or rest angina with electrocardiogram \[ECG\] changes) during the 30 days prior to enrollment * Decompensated congestive heart failure (CHF) or hospitalization due to CHF during the three months prior to enrollment * Severe chronic obstructive pulmonary disease (COPD) as indicated by a forced expiratory volume in one second that is less than 55% of the predicted value * Subject cannot undergo exercise tolerance test * Subject cannot undergo 6-minute walk test * Severe valvular heart disease * Subject with pacemaker electrode in the coronary sinus (CS) * Subject with recent placement of a new pacemaker or defibrillator electrode in the right atrium within 3 months prior to enrollment. * Subject having undergone tricuspid valve replacement or repair * Chronic renal failure (serum creatinine \>2 mg/dL), including subjects on chronic hemodialysis * Moribund subjects, or subjects with comorbidities limiting life expectancy to less than one year * Known severe reaction to required procedural medications * Known allergy to stainless steel or nickel * Magnetic Resonance Imaging (MRI) planned within 8 weeks after Reducer implantation * Currently enrolled in another device or drug trial that has not completed the primary endpoint or that clinically interferes with the current study endpoints Angiographic Exclusion: * Mean right atrial pressure greater than 15mmHg * Subject with anomalous or abnormal CS anatomy (e.g., tortuosity, aberrant branch, persistent left superior vena cava \[SVC\]) * CS diameter at the site of planned Reducer implantation less than 9.5 mm or greater than 13 mm

Design outcomes

Primary

MeasureTime frameDescription
Reduction in Canadian Cardiovascular Society (CCS) Grade6 MonthsThe percentage of subjects who experience improvement in their angina symptoms defined as a reduction in CCS grade, at 6 months as compared to baseline
Rate of Occurrence of Device and/or Procedure Related Peri-Procedural Serious Adverse Events (SAE)s30 days post implantThe rate of occurrence of device and / or procedure-related periprocedural SAEs defined as a composite of death, Myocardial Infarction (MI), cardiac tamponade, clinically-driven re-dilation of a Reducer, life-threatening arrhythmias (Ventricular Tachycardia (VT) or Ventricular Fibrillation (VF)), and respiratory failure through 30 days post-implant
Occurrence of Major Adverse Cardiac Events (MACE)30 days post implantMajor Adverse Cardiac Events (MACE): a composite of cardiac death, major stroke, and MI through 30-days post-implant

Secondary

MeasureTime frameDescription
Reduction in Canadian Cardiovascular Society (CCS) Grade12 months and annually through 5 yearsThe percentage of subjects who experience improvement in their angina symptoms defined as a reduction in CCS grade at 12 months and annually through 5 years post implant as compared to baseline
Occurrence of Major Adverse Cardiac Events (MACE)6 months, 12 months, and annually through 5 yearsMajor Adverse Cardiac Events (MACE): a composite of cardiac death, major stroke, and MI at 6 months, 12 months and annually through 5 years post implant

Countries

Austria, Belgium, France, Germany, Italy, Netherlands, Spain, Switzerland, United Kingdom

Contacts

PRINCIPAL_INVESTIGATORStefan Verheye, MD

ZNA Middelheim Hospital

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 31, 2026