Actively Recruiting

Phase Not Applicable
Age: 18Years - 85Years
All Genders
NCT03355456

Low Voltage-Directed Catheter Ablation for Atrial Fibrillation

Led by Ohad Ziv · Updated on 2024-06-10

250

Participants Needed

1

Research Sites

441 weeks

Total Duration

On this page

Sponsors

O

Ohad Ziv

Lead Sponsor

B

Biosense Webster, Inc.

Collaborating Sponsor

AI-Summary

What this Trial Is About

A two-pronged approach to evaluate long term success of non-paroxysmal ablation when using a: 1. specified low voltage-directed with pulmonary vein isolation (LD+PVI) approach compared to , 2. an approach of pulmonary vein isolation (PVI) alone.

CONDITIONS

Official Title

Low Voltage-Directed Catheter Ablation for Atrial Fibrillation

Who Can Participate

Age: 18Years - 85Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Diagnosed with non-paroxysmal atrial fibrillation
  • Failed or intolerant to at least one antiarrhythmic drug
  • Aged between 18 and 85 years at consent
  • Scheduled for a clinically indicated atrial fibrillation ablation procedure
  • Able and willing to follow all study visit requirements
  • Provided signed informed consent
  • Presence of low voltage in the left atrium detected during 3-D mapping at ablation procedure
Not Eligible

You will not qualify if you...

  • Previous left-sided catheter or surgical ablation for atrial fibrillation or atypical atrial flutter
  • Uncontrolled heart failure or NYHA Class IIIb or IV heart failure
  • Ejection fraction below 0.20
  • Active ventricular tachycardia needing treatment within the past 6 months
  • Left atrial size greater than 60 mm diameter
  • Continuous atrial fibrillation for one year or more at enrollment
  • Severe pulmonary hypertension (PAP over 70 mmHg)
  • Unstable valvular heart disease
  • Atrial fibrillation due to reversible causes like electrolyte imbalance or thyroid disease
  • Poor candidate for general anesthesia
  • Expected survival less than one year
  • Recent heart attack or bypass surgery within 3 months
  • Left atrial thrombus found within 4 weeks before ablation
  • Thromboembolic event within 6 months before ablation
  • Contraindication to anticoagulation
  • Unable to use implantable or external continuous heart rhythm monitoring devices
  • Significant congenital anomalies or medical conditions affecting study data
  • Pregnant women
  • Currently enrolled in another investigational drug or device study
  • Unable to complete voltage mapping in normal sinus rhythm
  • Medical or psychological conditions or history of non-compliance that could affect study outcomes

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

MetroHealth Medical Center

Cleveland, Ohio, United States, 44109

Actively Recruiting

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Research Team

P

Peter Leo BS, RN

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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