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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02637947
Registration number
NCT02637947
Ethics application status
Date submitted
4/12/2015
Date registered
22/12/2015
Date last updated
27/09/2022
Titles & IDs
Public title
Comparison of VT Ablation Outcomes Using Remote MAGNETIC Navigation Versus Manual Approach in a Low LVEF Population
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Scientific title
A Prospective, Multi-center, Post Market Randomized Controlled Trial Comparing VT Ablation Outcomes Using Remote MAGNETIC Navigation Guided Substrate Mapping and Ablation Versus Manual Approach in a Low LVEF Population
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Secondary ID [1]
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CLIN-021
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Universal Trial Number (UTN)
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Trial acronym
MAGNETIC-VT
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Tachycardia, Ventricular
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Condition category
Condition code
Cardiovascular
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Other cardiovascular diseases
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - catheter ablation using magnetic navigation
Treatment: Devices - catheter ablation using manual navigation
Experimental: Magnetic navigation - Catheter ablation using magnetic navigation for ventricular tachycardia via remote magnetic navigation of a NaviStar RMT ThermoCool catheter, or other magnetically compatible catheter, via Stereotaxis's Niobe ES system.
Active comparator: Manual navigation - Catheter ablation using manual navigation for ventricular tachycardia via a manually navigated Thermocool catheter, or equivalent catheter.
Treatment: Devices: catheter ablation using magnetic navigation
elimination of cardiac arrhythmias through heating and destroying heart tissue with faulty electrical pathways through the use of Stereotaxis's Niobe ES System with the NaviStar RMT ThermoCool catheter or other magnetically compatible catheters.
Treatment: Devices: catheter ablation using manual navigation
elimination of cardiac arrhythmias through heating and destroying heart tissue with faulty electrical pathways through the use of the NaviStar ThermoCool catheter or other manually navigated catheters.
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Intervention code [1]
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Treatment: Devices
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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freedom from any VT in the overall cohort
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Assessment method [1]
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Timepoint [1]
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12 months
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Secondary outcome [1]
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acute success of procedure
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Assessment method [1]
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non-inducibility of clinical VT and/or other monomorphic VT using typical stimulation protocol for induction
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Timepoint [1]
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at end of procedure (immediate)
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Secondary outcome [2]
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freedom from VT in large scar subpopulation
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Assessment method [2]
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Timepoint [2]
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12 months
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Secondary outcome [3]
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major adverse events
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Assessment method [3]
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death, cardiac tamponade, stroke, bleeding requiring surgical intervention, progressive heart failure related to VT/VF recurrence
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Timepoint [3]
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48 hours post-procedure
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Secondary outcome [4]
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mortality rate
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Assessment method [4]
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Timepoint [4]
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12 months
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Eligibility
Key inclusion criteria
* subject has had an ICD previously implanted
* subject has drug-refractory monomorphic VT
* subject is a candidate for ischemic VT RF ablation
* subject has had a myocardial infarction
* subject has a LVEF less than or equal to 35%
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* subject has non-ischemic VT
* subject has a history of stroke within 1 month prior to enrollment
* subject has had an acute myocardial infarction within 30 days prior to enrollment
* subject has unstable angina
* subject has undergone cardiac surgery within 60 days prior to enrollment
* subject is pregnant or nursing
* subject has a limited life expectancy of 1 year or less (Subjects requiring LVAD/IABP intraprocedural support may be enrolled as long as life expectancy is at least 1 year following the ablation procedure.)
* subject is unable or unwilling to cooperate with study procedures
* subject has a known presence of intracardiac thrombi as determined by echocardiography
* subject has a major contraindication to anticoagulation therapy or coagulation disorder
* subject has had a previous pericarditis or cardiac tumor
* subject has had previous thoracic radiation therapy
* any other reason the investigator considers the subject ineligible
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
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Intervention assignment
Parallel
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Stopped early
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/01/2016
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
15/02/2022
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Sample size
Target
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Accrual to date
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Final
182
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Westmead Hospital - Westmead
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Recruitment postcode(s) [1]
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2145 - Westmead
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Recruitment outside Australia
Country [1]
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United States of America
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State/province [1]
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Florida
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United States of America
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State/province [2]
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Georgia
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United States of America
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Illinois
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United States of America
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Kansas
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Country [5]
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United States of America
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New York
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Country [6]
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United States of America
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Texas
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Country [7]
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United States of America
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Utah
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Country [8]
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Belgium
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State/province [8]
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West Flanders
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Belgium
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State/province [9]
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Antwerpen
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Czechia
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Praha
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Denmark
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State/province [11]
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Copenhagen
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Country [12]
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France
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Nancy
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Country [13]
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Netherlands
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State/province [13]
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Amsterdam
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Country [14]
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Netherlands
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State/province [14]
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Rotterdam
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Stereotaxis
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
The study purpose is to demonstrate that ventricular tachycardia (VT) ablation using the Niobeā¢ ES system results in superior outcomes compared to a manual approach in subjects with ischemic scar VT in a low ejection fraction population.
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Trial website
https://clinicaltrials.gov/study/NCT02637947
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Trial related presentations / publications
Di Biase L, Tung R, Szili-Torok T, Burkhardt JD, Weiss P, Tavernier R, Berman AE, Wissner E, Spear W, Chen X, Neuzil P, Skoda J, Lakkireddy D, Schwagten B, Lock K, Natale A; MAGNETIC VT investigators. MAGNETIC VT study: a prospective, multicenter, post-market randomized controlled trial comparing VT ablation outcomes using remote magnetic navigation-guided substrate mapping and ablation versus manual approach in a low LVEF population. J Interv Card Electrophysiol. 2017 Apr;48(3):237-245. doi: 10.1007/s10840-016-0217-3. Epub 2017 Jan 7.
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Public notes
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Contacts
Principal investigator
Name
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Andrea Natale, MD
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Address
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Texas Cardiac Arrhythmia Research Foundation
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Fax
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT02637947
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