NCT07335510 · Columbia University
Impact of Barostimulation on Hemodynamics in Adults With Heart Failure
(BREATHE-HF)
What this study is about
This study evaluates the effects of the implantation and adjustment of the CVRx Barostim device in adult patients with heart failure with reduced ejection fraction who are receiving maximally tolerated doses of guideline directed medical and device therapies.
View original scientific description
This study evaluates the effects of the implantation and adjustment of the CVRx Barostim device in adult patients with heart failure with reduced ejection fraction who are receiving maximally tolerated doses of guideline directed medical and device therapies. The study aims to assess how therapy using this device affects heart function, symptoms, and exercise capacity, with particular focus on how the device affects blood flow and heart pressures during exercise. Information from this study may help inform patient selection and device management in patients with heart failure.
Who can participate
This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.
Inclusion criteria
- Diagnosis of heart failure with reduced ejection fraction (defined as ejection fraction ≤ 35% for the purposes of this study) (should be within 12 months of screen)
- Symptoms consistent with one of:
- current New York Heart Association (NYHA) Class III or
- current NYHA Class II and historical NYHA Class III
- Laboratories with last N-terminal pro-B-type natriuretic peptide (NT-proBNP) \< 1600 pg/ml (should be within 3 months of screen)
- Management with maximally-tolerated GDMT medications and devices
- Age \>= 18 years
Exclusion criteria
- Age \< 18 years
- Myocardial infarction (MI), syncope, cerebrovascular accident (CVA), aborted sudden cardiac death (SCD) (and implantable cardioverter defibrillator (ICD) therapy) within 3 months of screening
- Bilateral carotid bifurcations located above the level of the mandible
- Carotid artery stenosis greater than 50% caused by atherosclerosis
- Ulcerative plaques in the carotid artery
- Baroreflex failure or autonomic neuropathy
- Symptomatic un-controlled bradyarrhythmias
- Severe chronic lung disease
- Current treatment with inotropes
- Pacemaker or ICD within 3 months of screening
- Cardiac resynchronization therapy (CRT) devices within 6 months of screening or anticipated to be placed in the next 90 days following screening
- Prior surgery, radiation, endovascular stent in the carotid sinus
- History or consideration of solid organ transplantation
- History or consideration of left ventricular assist device (LVAD)
- Life expectancy \<1 year from time of screening
- Non-cardiovascular conditions interfering with 6MWT distance assessment
- Inability to fulfill protocol requirements
- Known allergy to silicone or titanium
Where
- San Francisco, California
- Washington D.C., District of Columbia
- Chicago, Illinois
- New York, New York
- Charleston, South Carolina
Frequently asked questions
What is a clinical trial?
A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.
Is it safe to participate?
Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.
Will I be compensated?
Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.
Will I receive a placebo instead of treatment?
When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.
Can I leave a trial if I change my mind?
Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.
How long does a clinical trial last?
Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.
Data: ClinicalTrials.gov · synced Jun 29, 2026 · Source of record for eligibility and locations