Therapy™ Cool Flex™ Irrigated Ablation System for Typical Atrial Flutter
FLEXION-AFL
Clinical Evaluation of Therapy™ Cool Flex™ Irrigated Ablation System for the Treatment of Typical Atrial Flutter
1 other identifier
interventional
200
2 countries
24
Brief Summary
To demonstrate that ablation with the Therapy™ Cool Flex™ Irrigated Ablation System is effective in the treatment of typical atrial flutter (cavo-tricuspid dependent) and that its use does not result in an unacceptable risk of intra-procedural, serious cardiac adverse events.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Nov 2011
24 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
July 22, 2011
CompletedFirst Posted
Study publicly available on registry
August 3, 2011
CompletedStudy Start
First participant enrolled
November 1, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2012
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2012
CompletedResults Posted
Study results publicly available
June 23, 2014
CompletedFebruary 15, 2019
January 1, 2019
7 months
July 22, 2011
January 22, 2014
January 31, 2019
Conditions
Outcome Measures
Primary Outcomes (2)
Primary Safety: Incidence of Composite, Serious Adverse Events Within 7 Days Post-Procedure
Primary safety is defined as the incidence of composite, serious adverse events within 7 days post-procedure, regardless of whether a determination can be made regarding device relatedness.
7 days
Primary Efficacy
Primary efficacy or acute success is defined as achievement of bi-directional block in the cavo-tricuspid isthmus and non-inducibility of typical atrial flutter at least 30 minutes following the last RF ablation with the investigational system.
30 minutes
Secondary Outcomes (1)
Secondary Efficacy
3 months
Study Arms (1)
Treatment Arm
EXPERIMENTALRadio-frequency cardiac ablation for treatment of isthmus-dependant atrial flutter using the Therapy™ Cool Flex™ Irrigated Ablation System
Interventions
The investigational components of the Therapy™ Cool Flex™ Irrigated Ablation System consist of: * Therapy™ Cool Flex™ 4mm Irrigated Ablation Catheter * IBI 1500T9 V1.43 RF Generator
Eligibility Criteria
You may qualify if:
- A signed written Informed Consent
- Presence of typical atrial flutter (cavo-tricuspid isthmus dependent)
- If subjects are receiving anti-arrhythmic drug therapy (Class I or Class III AAD) for an arrhythmia other than typical atrial flutter, then the subject needs to be controlled on their medication for at least 3 months. If the subject had typical atrial flutter before starting the AAD(s) (Class I or Class III) and then subsequently had another arrhythmia (i.e. atrial fibrillation), then the 3 month AAD criteria will not apply
- One documented occurrence of the study arrhythmia documented by ECG, Holter, telemetry strip, or transtelephonic monitor within the past 6 months
- In good physical health
- years of age or older
- Agree to comply with follow-up visits and evaluation
You may not qualify if:
- Prior typical atrial flutter ablation treatment
- Pregnancy
- Atypical flutter or scar flutter (non isthmus dependent)
- Significant coronary heart disease or heart failure; that is unstable angina pectoris and/or uncontrolled congestive heart failure (NYHA Class III or IV) at the time of enrollment
- A recent myocardial infarction within 3 months of the intended procedure date
- Permanent coronary sinus pacing lead
- Clinically significant Tricuspid valvular disease requiring surgery and/or a prosthetic tricuspid heart valve
- Evidence of intra-cardiac thrombus or a history of clotting disorders
- Participation in another investigational study
- Cardiac surgery within 1 month prior to the intended procedure date
- Allergy or contraindication to Heparin
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (24)
St. Joseph's Hospital-Heart Rhythm Specialists, PC
Phoenix, Arizona, 85013, United States
Summit - Cardiovascular Consultants Med Group, Inc.
Oakland, California, 94609, United States
Huntington Memorial / Foothill Cardiology
Pasadena, California, 91105, United States
Regional Cardiology Associates
Sacramento, California, 95819, United States
Community Memorial Hospital
Ventura, California, 93006, United States
Adventist Health / Florida Hospital
Orlando, Florida, 32803, United States
Tampa General Hospital
Tampa, Florida, 33606, United States
St. Joseph's Hospital
Atlanta, Georgia, 30342, United States
Washington Hospital Center
Georgetown, Maryland, 20010, United States
Lahey Clinic Medical Center
Burlington, Massachusetts, 01835, United States
Jersey Shore Universty Medical Center
Neptune City, New Jersey, 07753, United States
Mount Sinai School of Medicine
New York, New York, 10029, United States
Forsyth Medical Center
Winston-Salem, North Carolina, 27103, United States
Ohio State University Medical Center
Columbus, Ohio, 43210, United States
Cleveland Clinic / Cardiovascular Associates of Cleveland
Mayfield Heights, Ohio, 44124, United States
Oklahoma Heart Institute
Tulsa, Oklahoma, 74104, United States
Sacred Heart Med Center
Springfield, Oregon, 97477, United States
Guthrie-Robert Packer Hospital
Sayre, Pennsylvania, 18840, United States
Clinical Tex Research, LLC/DBA PharmaTex Research
Amarillo, Texas, 79106, United States
Heart Hospital of Austin
Austin, Texas, 78756, United States
Methodist Hospital Research Institute
Houston, Texas, 77030, United States
Scott & White Memorial Hospital
Temple, Texas, 76508, United States
VCAT / Royal Jubilee
Victoria, British Columbia, V8R 4R2, Canada
Institut de Cardiologie de Quebec (Hopital Laval)
Québec, G1V 4G5, Canada
Results Point of Contact
- Title
- Nancy Ouch, Senior Clinical Project Manager
- Organization
- St. Jude Medical
Study Officials
- PRINCIPAL INVESTIGATOR
Raul Weiss, MD
Ohio State University
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
July 22, 2011
First Posted
August 3, 2011
Study Start
November 1, 2011
Primary Completion
June 1, 2012
Study Completion
October 1, 2012
Last Updated
February 15, 2019
Results First Posted
June 23, 2014
Record last verified: 2019-01
Data Sharing
- IPD Sharing
- Will not share