- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04342832
Cryoballoon Ablation Versus Medical Therapy in Patients With Heart Failure and Atrial Fibrillation (RACE-8-HF)
CRyoballoon Ablation Versus mediCal thErapy in Patients With Heart Failure and Atrial Fibrillation: A Multicenter Randomized Clinical Trial, the RACE-8-HF Trial
Rationale:
Atrial fibrillation (AF) and heart failure (HF) can cause each other and sustain each other. Combined, the two diseases negatively influence each other's prognosis and lead to higher mortality. Studies in HF patients in which the AF burden is reduced by AF ablation show promising results toward improved prognosis, but so far only one randomized trial is conducted that focused on major clinical endpoints. As the selected patients in this trial were not representative for the entire population and its ablation method varied from patient to patient, it is the aim of the present study to confirm that early invasive therapy consisting of a strict pulmonary vein isolation (PVI) protocol using cryoballoon therapy has positive effects on hard clinical endpoints in a wider variety of patients in the HF population.
Furthermore, there are no studies which compare cost-effectiveness of an early invasive strategy in this patient category. The investigators expect that avoided hospitalizations and healthcare resource utilizations lead to lower costs in the AF ablation group, despite initial higher costs of the procedure.
Objective:
To compare outcome and cost-effectiveness of early AF ablation by PVI using cryoballoon therapy with standard (medical) therapy in patients with heart failure with reduced ejection fraction.
Study design:
Multicenter, randomized, open label clinical trial.
Study population:
Symptomatic adult patients with heart failure with reduced ejection fraction (<40%) and paroxysmal or persistent AF.
Intervention:
AF ablation (PVI) using cryoballoon therapy.
Outcome measures:
The primary endpoint is a combined endpoint of all-cause mortality, unplanned cardiovascular hospitalization, and stroke (time-to-event analysis).
Secondary endpoints of the trial are:
- A combined endpoint of mortality, number of unplanned cardiovascular hospitalizations, and stroke (recurrent-event analysis);
- A hierarchical endpoint of mortality, unplanned cardiovascular hospitalizations, stroke, and HF complaints;
- Cost-effectiveness. Key exploratory endpoints include individual components of the combined endpoints, days alive out of the hospital, hospitalizations for heart failure, recurrence of atrial arrhythmia, and quality of life.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Dominique Verhaert, MD
- Phone Number: +31 24 30 92470
- Email: dominique.verhaert@radboudumc.nl
Study Locations
-
-
Gelderland
-
Nijmegen, Gelderland, Netherlands, 6525 GA
- Recruiting
- Radboudumc
-
Contact:
- Dominique Verhaert, MD
-
-
Limburg
-
Maastricht, Limburg, Netherlands, 6229 HX
- Recruiting
- Maastricht UMC+
-
Contact:
- Dominique Verhaert, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients aged 18-80;
- HF with ejection fraction <40%, as assessed by recent (<6 months) echocardiography or cardiovascular magnetic resonance imaging (CMR);
- AF, documented on standard ECG or Holter monitoring;
- Eligible for both treatment arms;
- Signed and dated informed consent prior to admission to the trial.
Exclusion Criteria:
- End-stage heart failure: NYHA class IV, patients on waiting list for cardiac transplant and/or left ventricular assist device;
- Long-standing (> 1 year) persistent or permanent AF;
- Previous pulmonary vein isolation or surgical ablation;
- Left atrial diameter ≥60 mm or left atrial volume index ≥50 ml/m2;
- Impaired renal function, defined as estimated glomerular filtration rate (eGFR) ≤25 ml/min/1.73m2;
- Recent (<90 days) acute coronary syndrome, cardiac intervention1, or stroke/transient ischemic attack (TIA);
- Planned or expected cardiac surgery in the following year;
- Active infectious disease or malignancy;
- Women who are pregnant or planning to become pregnant during the trial;
- Contraindication for cryoballoon ablation or other condition that may prevent subjects from adhering to the trial protocol, in the opinion of the investigator.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: SINGLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
ACTIVE_COMPARATOR: Early invasive treatment (cryoballoon ablation)
|
If a patient is randomized to early invasive treatment, the ablation is performed within 3 months by an experienced cardiac electrophysiologist using CE-certified equipment.
Via the femoral vein a guiding catheter is advanced through the inferior vena cava to the right atrium and into the left atrium via transseptal puncture.
Then, the cryoballoon is advanced, inflated, and placed against one of the four PVs.
PV occlusion is assessed by selective contrast injection.
When adequate PV antral seal is confirmed, ablation of the tissue in contact with the balloon is performed using pressurized liquid nitrous oxide.
The cold inflated balloon thus creates circular lesions around the PV.
The balloon and tissue interface are then allowed to reach normal temperatures.
Depending on local practice, the freeze-thaw cycle may be repeated twice.
Electrical isolation is assessed and when it is confirmed, the next PV is treated in the same way.
The procedure ends when all PV's are isolated.
Other Names:
|
NO_INTERVENTION: Standard medical care
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Composite of all-cause mortality, unplanned cardiovascular hospitalizations and stroke (time-to-event analysis)
Time Frame: Study duration (1-5 years, expected median follow-up duration 2 years)
|
Study duration (1-5 years, expected median follow-up duration 2 years)
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Combined endpoint of all-cause mortality
Time Frame: Study duration (1-5 years, expected median follow-up duration 2 years)
|
Study duration (1-5 years, expected median follow-up duration 2 years)
|
Total number of unplanned cardiovascular hospitalizations and stroke (recurrent-event analysis)
Time Frame: Study duration (1-5 years, expected median follow-up duration 2 years)
|
Study duration (1-5 years, expected median follow-up duration 2 years)
|
Hierarchal endpoint of all-cause mortality, unplanned cardiovascular hospitalizations, stroke and change in heart failure complaints (hierarchical endpoint analysis)
Time Frame: Study duration (1-5 years, expected median follow-up duration 2 years)
|
Study duration (1-5 years, expected median follow-up duration 2 years)
|
Cost-effectiveness
Time Frame: Study duration (1-5 years, expected median follow-up duration 2 years)
|
Study duration (1-5 years, expected median follow-up duration 2 years)
|
Budget impact
Time Frame: Study duration (1-5 years, expected median follow-up duration 2 years)
|
Study duration (1-5 years, expected median follow-up duration 2 years)
|
Collaborators and Investigators
Sponsor
Investigators
- Study Chair: Kevin Vernooy, MD PhD, Maastricht UMC+, Radboudumc
- Study Chair: Michiel Rienstra, MD PhD, UMC Groningen
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- NL71710.068.19
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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