A Study of Effect of Temporary Sympatholysis on Ventricular Arrhythmic Trigger and Substrate


  • Study type

  • Study IDs

  • Describes the nature of a clinical study. Types include:

    • Observational study — observes people and measures outcomes without affecting results.
    • Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
    • Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.
  • Site IRB
    • Rochester, Minnesota: 13-000724
    Sponsor Protocol Number: 13-000724

About this study

This study is being done to determine whether there is an increase in sympathetic nerve activity before the onset of ventricular arrhythmias.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. If you need assistance understanding the eligibility criteria, please contact the study team.

See eligibility criteria

Inclusion Criteria:

  • Patients who have drug-refractory VA and are recommended to undergo catheter-based ablation for VA.
  • Patients who have an implantable cardioverter defibrillator (ICD) for VA and have received ICD therapies for recurrent VA.

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Yong-Mei Cha, M.D.

Open for enrollment

Contact information:

Yongmei Cha M.D.




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