Heart Failure Clinical Trial
Official title:
Transcatheter Renal Denervation in Patients With Systolic Heart Failure Due to Chagas' Disease - a Safety and Efficacy Study.
It is a randomized prospective controlled study of transcatheter renal denervation in patients with systolic heart failure secondary to Chagas' disease. The purpose of the study is to evaluate the safety and effectiveness of renal denervation in patients with Chagas heart disease, due to reduction in renal and systemic sympathetic activity.
Status | Recruiting |
Enrollment | 30 |
Est. completion date | August 2015 |
Est. primary completion date | December 2014 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years to 70 Years |
Eligibility |
Inclusion Criteria: 1. Patients = 18 to = 70 years of age with chronic systolic heart failure, Chagas disease etiology. 2. Two positive serology results for Chagas by two distinct methods. 3. NYHA (New York Heart Association) class II or III. 4. Patients treated with maximum tolerated doses of standard pharmacotherapy for heart failure. 5. LVEF (Left Ventricular Ejection Fraction) = 40% (Simpson Method). Exclusion Criteria: 1. Patients with NYHA class I or IV. 2. Sustained ventricular tachycardia (>30 sec) or with hemodynamic compromise. 3. Presence of permanent pacemaker or implantable defibrillator. 4. Systolic blood pressure < 90 mmHg. 5. Heart beat < 60 bpm at rest. 6. Advanced renal insufficiency (estimated glomerular filtration rate (GFR) < 30 ml/min/1.73 square meters). 7. Patients with planned cardiac surgery or percutaneous revascularization. 8. Other reasons which would preclude the patient from participating in the study (comorbidities, life expectancy less than 1 year). 9. Unsuitable anatomy of renal arteries, renal stenosis or previous treatment with balloon or stent. 10. Refusal of the patient. |
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Brazil | Heart Institute - InCor. University of Sao Paulo Medical School | Sao Paulo |
Lead Sponsor | Collaborator |
---|---|
InCor Heart Institute | Johnson & Johnson |
Brazil,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Change in serum B-type natriuretic peptide (BNP). | 9 months. | No | |
Other | Quality of life assessed by Minnesota and EuroQOL five dimensions (EQ-5D)questionnaires. | 9 months. | No | |
Other | Peripheral sympathetic activity measured by microneurography. | 9 months. | No | |
Primary | Composite: death, myocardial infarction, cerebrovascular event, need of intervention on renal arteries and renal function impairment (decrease in estimated GFR > 30% from baseline). | 30 days. | Yes | |
Secondary | Left Ventricular Ejection Fraction (LVEF) by echocardiography. | 9 months. | No | |
Secondary | New York Heart Association (NYHA) functional class. | 9 months. | No | |
Secondary | 6-minute walk test | 9 months. | No | |
Secondary | Peak Oxygen consumption (VO2) by ergoespirometry. | 9 months. | No |
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