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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05888662
Other study ID # 35RC20_9765_EPIC-VT
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date October 23, 2023
Est. completion date October 23, 2028

Study information

Verified date October 2023
Source Rennes University Hospital
Contact Raphaël MARTINS, MD, PhD
Phone 299282517
Email raphael.martins@chu-rennes.fr
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Radiofrequency ablation of ventricular tachycardias (VTs) is the gold standard treatment of refractory VTs in patients with ischaemic heart disease. In this setting, ablation is usually performed endocardially. However, even after a procedural success there is a high risk of recurrence, particularly due to the inability to create transmural lesions. Indeed, only the endocardium of the LV has been ablated, while a significant part of the arrhythmia substrate may be located on the other side of the myocardial thickness, on the epicardial side of the LV. First described in 1996, epicardial ablation, performed via a percutaneous subxyphoid approach, has since undergone considerable development. Electrophysiologists often use a double endo- and epicardial approach as first line therapy for the ablation of VTs complicating myocarditis or arrhythmogenic dysplasia of the right ventricle, where the substrate is most often epicardial. For VT in ischaemic heart disease, electrophysiologists perform endocardial ablation, and often perform epicardial ablation only after several endocardial failures. Several observational studies suggest that a combined endo- and epicardial approach as first line therapy is associated with a reduced risk of VT recurrence. Since recurrent VT in patients with ischaemic heart disease as a prognostic impact in terms of morbidity and mortality, it appears essential to optimise rhythm management by ablation, by offering a combined approach from the as first approach to reduce the risk of recurrences. The aim of our prospective, multicentre, controlled, randomized study is therefore to compare the rate of VT recurrence after ablation performed as first line therapy either by endocardial approach alone or by combined endo-epicardial approach.


Recruitment information / eligibility

Status Recruiting
Enrollment 150
Est. completion date October 23, 2028
Est. primary completion date October 23, 2028
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Patients over 18 years of age 2. 1st radiofrequency ablation of VT complicating ischaemic heart disease 3. Patients with an ICD and remote monitoring 4. Having, for women of childbearing age, effective contraception until discharge from hospital 5. Have given their free and informed consent in writing 6. are affiliated to or have health insurance Exclusion Criteria: 1. History of cardiac surgery compromising the epicardial approach (coronary artery bypas s grafting, valve replacements, or other surgeries that may have caused pericardial adhesions) 2. Anticoagulant therapy that cannot be temporarily discontinued 3. Double antiplatelet therapy that cannot be temporarily replaced by single antiplatelet therapy 4. History of pericarditis 5. Previous thoracic radiotherapy 6. Contraindication to general anaesthesia 7. Pregnant or breastfeeding woman 8. History of heparin-induced thrombocytopenia type 2 (as injection is required during the procedure) 9. Person under legal protection (safeguard of justice, curatorship, guardianship), deprived of liberty, or unable to express consent

Study Design


Intervention

Procedure:
Endo-epicardial ablation
Endo-epicardial ablation of ventricular tachycardia
endocardial ablation only
endocardial-only catheter ablation of ventricular tachycardia

Locations

Country Name City State
France CHU de Bordeaux Bordeaux
France Centre Hospitalier Universitaire de Caen Caen
France Centre Hospitalier de Clermont-Ferrand Clermont-Ferrand
France Centre Hospitalier Régional Universitaire de Lille Lille
France Hospices Civils de Lyon Lyon
France CHU de Nantes Nantes
France Hôpital Universitaire La Pitié-Salpêtrière - Paris Paris
France CHU de Rennes Rennes
France Centre Hospitalier Universitaire Toulouse - Hôtel Dieu Saint-Jacques Toulouse
France Centre Hospitalier Régional Universitaire Tours - Hôpital Bretonneau Tours

Sponsors (1)

Lead Sponsor Collaborator
Rennes University Hospital

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Other Procedure duration Procedure time (from puncture to catheter removal, in minutes) and duration of radiofrequency delivery (in minutes) 1 day
Other Percentage of patients with inappropriate therapies deliverd by the ICD Percentage of patients with inappropriate therapies deliverd by the ICD at 2 years Up to 2 years
Primary Survival free from ventricular arrhythmia recurrence Survival free from ventricular arrhythmia recurrence, defined as the time interval between the date of ablation and the date of first ventricular arrhythmia recurrence.
Recurrence of ventricular arrhythmia is defined as the occurrence of appropriate ICD therapy or the occurrence of sustained VT/VF > 30 seconds The occurrence of the event and the date of the event will be obtained from the ICD interrogation.
Patients without recurrence will be censored at the date of last ICD interrogation
up to 5 years
Secondary Number of ventricular arrhythmias treated Number of ventricular arrhythmias treated by the defibrillator with shocks or bursts of antitachycardia pacing during follow-up or the occurrence of sustained VT/VF > 30 seconds. up to 5 years
Secondary Percentage of patients with recurrent ventricular arrhythmia Percentage of patients with recurrent ventricular arrhythmia up to 5 years
Secondary Percentage of patients with a electrical storm Electrical storm is defined as the occurrence of at least 3 appropriate therapies (antitachycardia pacing or shocks) delivered by the defibrillator within 24 hours. up to 5 years
Secondary Number of serious complications Number of serious complications related to the procedure up to 5 years
Secondary Number of patients hospitalized for cardiovascular reasons Number of patients hospitalized for cardiovascular reasons (i.e. heart failure, rhythm disorders) at 2 years up to 2 years
Secondary Number of patients requiring a redo ablation for ventricular arrhythmia Number of patients requiring a redo ablation for ventricular arrhythmia Up to 5 years
Secondary mortality rate 2-year mortality rate Up to 2 years
Secondary Number of patients in each group who are non-inducible at the end of the procedure Number of patients in each group who are non-inducible at the end of the procedure (programmed ventricular stimulation negative) 1 day
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