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Clinical trialNCT01426425CompletedPhase 3Interventional

Intracardiac CrYoablation for AtrioVentricular Nodal Reentrant Tachycardia

SponsorMedtronic Cardiac Ablation SolutionsEnrollment572AtrioVentricular Nodal Reentrant TachycardiaHeart DiseaseSupraventricular Tachycardia
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

ICY-AVNRT (Intracardiac CrYoablation for AtrioVentricular Nodal Reentrant Tachycardia) is a prospective multi-center, nonrandomized, single arm, controlled, unblinded, investigational clinical study. The purpose of this clinical study is to demonstrate the safety and effectiveness of the Freezor® Xtra Cardiac CryoAblation Catheter for the cryoablation of the conducting tissues of the heart in the treatment of patients with atrioventricular nodal reentrant tachycardia (AVNRT) using an endocardial approach.

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

34 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Canada
  • Royal Alexandra Hospital

    Edmonton, Alberta, Canada

  • Victoria Cardiac Arrhythmia Trials, Inc.

    Victoria, British Columbia, Canada

  • London Health Sciences Centre

    London, Ontario, Canada

  • Hopital Du Sacre Coeur de Montreal

    Montreal, Quebec, Canada

  • Mcgill University Health Centre

    Montreal, Quebec, Canada

  • Montreal Heart Institute

    Montreal, Quebec, Canada

  • Centre Hospitalier Universitaire de Sherbrooke

    Sherbrooke, Quebec, Canada

  • Prairie Cardiovascular Research Network

    Regina, Saskatchewan, Canada

United States
  • Banner Good Samaritan Medical Center

    Phoenix, Arizona, United States

  • Pacific Heart Institute

    Santa Monica, California, United States

  • Stanford Hospital and Clinics

    Stanford, California, United States

  • Baptist Hospital of Miami

    Miami, Florida, United States

  • Orlando Regional Medical Center

    Orlando, Florida, United States

  • Piedmont Heart Institute

    Atlanta, Georgia, United States

  • Advocate Christ Medical Center

    Oak Lawn, Illinois, United States

  • Iowa Heart Center

    Des Moines, Iowa, United States

  • University of Michigan Medical Center

    Ann Arbor, Michigan, United States

  • Park Nicollet Institute

    Saint Louis Park, Minnesota, United States

  • Healtheast St. Joseph'S Hospital

    Saint Paul, Minnesota, United States

  • Southside Hospital

    Bay Shore, New York, United States

  • University of Rochester Medical Center

    Rochester, New York, United States

  • Montefiore Medical Center

    The Bronx, New York, United States

  • Sanger Heart and Vascular Institute

    Charlotte, North Carolina, United States

  • Cleveland Clinic

    Cleveland, Ohio, United States

  • Miami Valley Cardiologists

    Dayton, Ohio, United States

  • Sacred Heart Medical Center

    Springfield, Oregon, United States

  • Capital Cardiovascular Associates

    Camp Hill, Pennsylvania, United States

  • Geisinger Medical Center

    Danville, Pennsylvania, United States

  • Geisinger Wyoming Valley Medical Center

    Wilkes-Barre, Pennsylvania, United States

  • Wellmont Cardiovascular Heart Institute

    Kingsport, Tennessee, United States

  • Baylor Heart and Vascular Hospital

    Dallas, Texas, United States

  • St. Luke'S Episcopal

    Houston, Texas, United States

  • Baylor Research Institute

    Plano, Texas, United States

  • Virginia Heart

    Falls Church, Virginia, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
31 May 2012
Primary completion
30 Sept 2015
Completion
30 Sept 2016
Last update posted
13 Feb 2025
Registered enrollment
572
Registry id
NCT01426425

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.