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Focused Circumferential Ultrasound for the Treatment of Atrial Fibrillation

Principal Investigator Name:   Hugh G. Calkins, M.D.
Study Coordinator Name:   Elizabeth Robinson, R.N.
Contact Phone:
Study Coordinator
(410) 502 - 0517
Contact E-mail:
Study Coordinator
erobin26@jhmi.edu
Study Short Title:ProRhythm FOCUS-AF

Study Long Title:

Focused Circumferential Ultrasound for the Treatment of Atrial Fibrillation

IRB Number:

JH-eIRB #NA_00003049
Funding Source:ProRhythm (sponsor)
Summary of Trial:

To assess the safety and effectiveness of the ProRhythm HIFU PV System for the treatment of patients with symptomatic Paroxysmal Atrial Fibrillation (PAF) who have failed or are intolerant to Class I or III anti-arrhythmic drugs (AADs).

The HIFU PV catheter focuses ultrasound waves to ablate circumferential lesions outside the ostia of the pulmonary veins.

Inclusions:

Symptomatic PAF with at least 2 AF episodes within past 6 months

Failed or intolerant to at least 2 class I or III AADs

Patients taking Amiodarone or other not-approved AADs must also have failed Class I or III AADs

Must be able to tolerate one approved Class I or III AAD

Exclusions:

Persistent or chronic AF

Mitral disease

Ejection fraction <40%

History of stroke

Severe left ventricular hypertrophy

Pulmonary disease

Esophageal disease

Clinical Trial Site:

Johns Hopkins University
600 N. Wolfe Street, Carnegie 586
Baltimore, MD 21287
Compensation for Participating?No, but there is a small reimbursement for the time involved in the follow-up procedures.
Start Date:2006
Anticipated End Date:2010
 
 
 
 
 
 

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