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


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. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

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.
  • Patients ages 0-100 with Long QT Syndrome (LQTS) who have a planned cardiac sympathetic denervation procedure

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Yongmei Cha, M.D.

Closed-enrolling by invitation

What is this? (?)
Not open to everyone who meets the eligibility criteria, but only those invited to participate by the study team.

Contact information:

Yongmei Cha M.D.

(507) 255-7369


More information


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