Clinical trial No longer in our active list Interventional Ages 18 and up

Identifying and treating heart rhythm issues in patients with specific heart conditions

Official title: Arrhythmogenic Substrate Assessment in Patients With Primary Cardiomyopathies and/or Channellopaties With and Without History of Brugada Syndrome: A Prospective Follow-up Study

Run by IRCCS Policlinico S. Donato · NCT03304847 · Data updated 2026-05-14

This study is no longer in our active list. It may have stopped recruiting or finished. The details below are as of 2026-05-14 and are kept for reference. Check ClinicalTrials.gov for its current status, or see similar studies below.

This study is testing if a procedure called catheter ablation can help people with certain heart conditions and implanted devices by fixing heart rhythm problems to prevent serious issues like sudden cardiac death.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment35 (estimated)
SponsorIRCCS Policlinico S. Donato
Academic / other
Locations1 site (San Donato Milanese, Milano)
Trial IDNCT03304847 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults with specific types of cardiomyopathy or channelopathies who have an implanted ICD and experience symptoms related to ventricular arrhythmias.

Probably not a fit

Patients who are pregnant, breastfeeding, or have a life expectancy of less than 12 months may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study evaluates the effectiveness of catheter ablation in identifying and eliminating arrhythmogenic substrates to prevent recurrent ventricular arrhythmias and sudden cardiac death in patients with primary cardiomyopathy and/or channelopathies who have an implanted ICD. It is a prospective single-center study conducted at the Arrhythmology Department of San Donato Milanese Hospital. Eligible patients will undergo endo-epicardial electroanatomical 3D mapping and radio-frequency ablation, followed by a structured follow-up schedule to monitor their condition and response to treatment.

Why it matters

Potential benefit: If successful, this approach could significantly reduce the risk of life-threatening arrhythmias and improve survival rates in affected patients.

How similar studies have gone: Other studies have shown promise in using catheter ablation for similar arrhythmogenic conditions, indicating a potential for success in this approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients affected by cardiomyopathies and/or channellopaties (long QT syndrome and J-wave syndrome) with and without documented family history of BrS;
* Presence of symptoms attributable to VA and/or presenting documented arrhythmic episodes;
* Patients with an ICD already implanted;
* Patients referred to the centre for an electrophysiological study and indication for a potential concomitant radio-frequency catheter ablation (RFA) of ventricular tachycardia (VT) or ventricular fibrillation (VF);
* Age ≥ 18;
* Willingness to attend follow-up examinations;
* Written informed consent for the participation in the trial

Exclusion Criteria:

* Pregnancy or breast-feeding;
* Life expectancy \< 12 months

Where it's running

  • IRCCS Policlinico S. Donato
    San Donato Milanese, Milano, Italy
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.