Safety and Efficacy of the Accent Magnetic Resonance Imaging™ (MRI) Pacemaker and Tendril MRI™ Lead

This study is currently recruiting participants.
Verified March 2013 by St. Jude Medical
Sponsor:
Information provided by (Responsible Party):
St. Jude Medical
ClinicalTrials.gov Identifier:
NCT01576016
First received: April 4, 2012
Last updated: March 19, 2013
Last verified: March 2013
  Purpose

The MRI Study is a prospective, multi-center, clinical study designed to evaluate the safety and efficacy of the Accent MRI System in a patient population indicated for implant of a pacemaker within and outside of the MRI environment.


Condition Intervention
Adverse Effect of MRI on an Implanted Pacemaker Lead
Adverse Effect of MRI on an Implanted Pacemaker
Device: Accent MRI system

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: Accent Magnetic Resonance Imaging Pacemaker and Tendril Magnetic Resonance Imaging™ Lead Investigational Device Exemption Study

Resource links provided by NLM:


Further study details as provided by St. Jude Medical:

Primary Outcome Measures:
  • Freedom from right atrial (RA) lead-related complications in the acute period [ Time Frame: Implant through 2 months ] [ Designated as safety issue: Yes ]
    Proportion of patients who do not have RA lead-related complications from implant through the 2 month study visit

  • Freedom from right ventricular (RV) lead-related complications in the acute time period [ Time Frame: Implant through 2 months ] [ Designated as safety issue: Yes ]
    Proportion of patients who do not have RV lead-related complications from implant through the 2 month study visit

  • Freedom from RA related complications in the chronic period [ Time Frame: 2 months thru 12 months ] [ Designated as safety issue: Yes ]
    Proportion of patients who do not have RA lead-related complications from the 2 month through the 12 month study visit

  • Freedom from right ventricular lead related complications in the chronic period [ Time Frame: 2 months thru 12 months ] [ Designated as safety issue: Yes ]
    Proportion of patients who do not have RV lead-related complications from the 2 month through the 12 month study visit

  • Freedom from MRI scan-related complications [ Time Frame: MRI Scan visit and 1 month after MRI scan visit ] [ Designated as safety issue: Yes ]
    Proportion of patients who do not have MRI-related complications from the MRI scan visit to the 1 month post MRI scan visit

  • Change in atrial capture thresholds (before and after the MRI Scan) [ Time Frame: MRI Scan visit and 1 month after MRI scan visit ] [ Designated as safety issue: No ]
    Difference in the proportion of patients with an increase in RA capture thresholds at 0.5 ms between those randomized to receive an MRI scan versus those not receiving an MRI scan.

  • Change in ventricular capture thresholds (before and after the MRI scan) [ Time Frame: MRI Scan visit and 1 month after MRI scan visit ] [ Designated as safety issue: No ]
    Difference in the proportion of patients with an increase in RV capture thresholds at 0.5 ms between those randomized to receive an MRI scan versus those not receiving an MRI scan.

  • Change in atrial sensing threshold (before and after the MRI scan) [ Time Frame: MRI Scan visit and 1 month after MRI scan visit ] [ Designated as safety issue: No ]
    Difference in the proportion of patients with an increase in RA sensing threshold between those randomized to receive an MRI scan versus those not receiving an MRI scan.

  • Change in ventricular sensing threshold (before and after the MRI scan) [ Time Frame: MRI Scan visit and 1 month after the MRI Scan visit ] [ Designated as safety issue: No ]
    Difference in the proportion of patients with an increase in RV sensing threshold between those randomized to receive an MRI scan versus those not receiving an MRI scan.


Secondary Outcome Measures:
  • Freedom from system-related complications [ Time Frame: Implant through 12 months ] [ Designated as safety issue: Yes ]
    Proportion of patients who do not have system-related complications from implant through the 12 month study visit

  • Atrial capture threshold at the MRI visit [ Time Frame: MRI Scan visit (approx 3 months post implant) ] [ Designated as safety issue: No ]
    Proportion of patients with RA capture threshold ≤2.0V at the MRI visit

  • Ventricular capture threshold at the MRI visit [ Time Frame: MRI Scan visit (approx 3 months post implant) ] [ Designated as safety issue: No ]
    Proportion of patients with RV capture threshold ≤2.0V at the MRI visit


Estimated Enrollment: 800
Study Start Date: March 2012
Estimated Study Completion Date: December 2014
Estimated Primary Completion Date: March 2014 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: Accent MRI system MRI Scan Group
Patient implanted with an Accent MRI system will receive an MRI scan
Device: Accent MRI system
Patients implanted with an Accent MRI system will receive 30 minutes of magnetic scan imaging
Other Names:
  • Accent MRI pacemaker
  • Tendril MRI lead
Placebo Comparator: Accent MRI System MRI Control Group
Patient implanted with an Accent MRI system will not receive an MRI scan
Device: Accent MRI system
Patients implanted with an Accent MRI system will wait for one hour without receiving an MRI scan
Other Names:
  • Accent MRI pacemaker
  • Tendril MRI lead

Detailed Description:

The safety and efficacy of the Accent MRI pacemaker and Tendril MRI lead will be evaluated as described below:

Lead Safety Safety of the Tendril MRI™ lead will be evaluated in terms of freedom from RA and RV lead-related complications at implant to 2 months, and at the 2 through the 12 month visit.

MRI Safety The safety of the Accent MRI system will be evaluated in terms of freedom from MRI scan related complications in the month following the MRI scan.

Lead Efficacy Efficacy of the Tendril MRI™ lead will be evaluated in terms of the change in atrial and ventricular capture and sensing thresholds before and after the MRI scan.

Secondary Endpoints Safety Safety of the Accent MRITM system will be evaluated in terms of freedom from system-related complications through the 12 month visit.

Efficacy Efficacy of the Tendril MRI™ lead will be evaluated in terms of the atrial and ventricular capture thresholds at the MRI Visit.

  Eligibility

Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

Eligible patients will meet all of the following:

  1. Have an approved indication per ACC/AHA/HRS guidelines for implantation of a pacemaker
  2. Will receive a new pacemaker and lead
  3. Be willing to undergo an elective MRI scan without sedation
  4. Be able to provide informed consent for study participation (legal guardian is NOT acceptable)
  5. Be willing and able to comply with the prescribed follow-up tests and schedule of evaluations
  6. Is not contraindicated for an MRI scan (per the pre-MRI safety screening form)

Exclusion Criteria:

Patients will be excluded if they meet any of the following:

  1. Are medically indicated for an MRI scan at the time of enrollment
  2. Have an existing pacemaker or ICD. A new pacemaker and lead is required for enrollment
  3. Have an existing active/inactive implanted medical device, e.g., neurostimulator, infusion pump, etc.
  4. Have a non-MRI compatible device or material implanted (e.g., intracranial aneurysm clip, non-MRI compatible devices or material, metals or alloys, etc.)
  5. Have a lead extender or adaptor
  6. Be unable to fit in MRI bore; will come into contact with the magnet façade inside the MRI bore.
  7. Have a prosthetic tricuspid heart valve
  8. Are currently participating in a clinical investigation that includes an active treatment arm
  9. Are allergic to dexamethasone sodium phosphate (DSP)
  10. Are pregnant or planning to become pregnant during the duration of the study
  11. Have a life expectancy of less than 12 months due to any condition
  12. Patients with exclusion criteria required by local law (e.g., age)
  13. Are unable to comply with the follow up schedule
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT01576016

Contacts
Contact: Ashish Oza 1-800-423-5611 ext 3648 aoza@sjm.com
Contact: Kieu Ha 800-733-3455 ext 6269

  Hide Study Locations
Locations
United States, Alabama
University Hospital of Alabama at Birmingham Recruiting
Birmingham, Alabama, United States, 35233
Contact: Harish Doppalapudi, MD     205-934-3614        
Principal Investigator: Harish Doppalapudi, MD            
Heart Center Research Recruiting
Huntsville, Alabama, United States, 35801
Contact: Paul Tabereaux            
United States, Arizona
Arizona Arrhythmia Research Center Recruiting
Phoenix, Arizona, United States, 85016
Principal Investigator: Vijendra Swarup, MD            
United States, Arkansas
Arkansas Heart Hospital Recruiting
Little Rock, Arkansas, United States, 72211
Contact: Wilson Wong            
Principal Investigator: Wilson Wong, MD            
Baptist Health Medical Center Recruiting
Little Rock, Arkansas, United States, 72205
Contact: Stephen Greer            
Principal Investigator: Stephen Greer            
Mercy Hospital Northwest Arkansas Recruiting
Rogers, Arkansas, United States, 72758
Contact: Amr El-Shafei, MD            
United States, California
Central Cardiology Recruiting
Bakersfield, California, United States, 93308
Contact: Jared Salvo            
Raymond Schaerf, MD Recruiting
Burbank, California, United States, 91505
Contact: Raymond Schaerf            
Principal Investigator: Raymond Schaerf, MD            
John Muir Medical Center Recruiting
Concord, California, United States, 94520
Contact: Perkin Shiu, MD            
St. Jude Hospital Recruiting
Fullerton, California, United States, 92835
Contact: Rahul Doshi            
Glendale Adventist Medical Center Recruiting
Glendale, California, United States, 91206
Contact: John McKenzie, MD            
Scripps Green Hospital Recruiting
La Jolla, California, United States, 92037
Contact: Thomas Ahern            
Memorial Medical Center Active, not recruiting
Modesto, California, United States, 95355
Premier Cardiology, Inc / Hoag Hospital Active, not recruiting
Newport Beach, California, United States, 92629
Desert Cardiology Consultants Recruiting
Rancho Mirage, California, United States, 92270
Contact: Andrew Rubin            
Mercy General Hospital Recruiting
Sacramento, California, United States, 95819
Contact: Peter Jurisich            
Sutter Memorial Hospital Recruiting
Sacramento, California, United States, 95819
Contact: Subramaniam Krishnan            
United States, Colorado
Aurora Denver Cardiology Associates Recruiting
Denver, Colorado, United States, 80012
Contact: Nelson Prager            
South Denver Cardiology Associates PC Active, not recruiting
Littleton, Colorado, United States, 80120
Medical Center of the Rockies Active, not recruiting
Loveland, Colorado, United States, 80538
United States, Florida
Medical Specialists of the Palm Beaches Recruiting
Atlantis, Florida, United States, 33462
Contact: Alex Chernobelsky            
Watson Clinic Center Recruiting
Lakeland, Florida, United States, 33647
Contact: Kevin Browne            
Florida Hospital Orlando Recruiting
Orlando, Florida, United States, 32803
Contact: George Monir            
Orlando Health Recruiting
Orlando, Florida, United States, 32806
Contact: Peter Taylor            
Brevard Cardiovascular Research Associates Active, not recruiting
Rockledge, Florida, United States, 32955
Tallahassee Research Institute Recruiting
Tallahassee, Florida, United States, 32308
Principal Investigator: Farhat S Khairallah, MD            
University of South Florida, Cardiovascular Services Recruiting
Tampa, Florida, United States, 33606
Contact: Herweg Herweg, MD            
United States, Georgia
Athens Cardiology Group, PC Recruiting
Athens, Georgia, United States, 30606
Contact: David Woodard            
Atlanta Heart Specialist Recruiting
Atlanta, Georgia, United States, 30041
Contact: Narendra Singh            
United States, Illinois
Prairie Education and Research Cooperative Recruiting
Springfield, Illinois, United States, 62701
Contact: Ziad Issa, MD            
United States, Kentucky
Central Baptist Hospital Recruiting
Lexington, Kentucky, United States, 40503
Contact: Gery Tomassoni, MD            
Principal Investigator: Gery Tomassoni, MD            
United States, Louisiana
Ochsner Medical Center Recruiting
New Orleans, Louisiana, United States, 70121
Contact: Daniel Morin            
United States, Michigan
Spectrum Health Recruiting
Grand Rapids, Michigan, United States, 49503
Contact: Andre Gauri            
Thoracic Cardio Healthcare Foundation Recruiting
Lansing, Michigan, United States, 48910
Contact: Ranjan Thakur            
Providence Hospital Recruiting
Southfield, Michigan, United States, 48075
Contact: Christian Machado, MD            
United States, Minnesota
Minneapolis Heart Institute Recruiting
Minneapolis, Minnesota, United States, 55407
Contact: Chuen Tang            
United States, Missouri
St. Luke's Hospital Recruiting
Kansas City, Missouri, United States, 64111
Contact: Brian Ramza            
Missouri Baptist Medical Center Recruiting
St. Louis, Missouri, United States, 63131
Contact: Karthik Ramaswamy            
Washington University School of Medicine Recruiting
St. Louis, Missouri, United States, 63110
Contact: Mitchell Faddis            
United States, Nebraska
Alegent Creighton Health Recruiting
Omaha, Nebraska, United States, 68124
Contact: Kent Gleed, MD            
United States, New York
University of Rochester Medical Center Active, not recruiting
Rochester, New York, United States, 14450
United States, North Carolina
University of North Carolina at Chapel Hill Recruiting
Chapel Hill, North Carolina, United States, 27599-7075
Contact: Jennifer Schwartz, MD            
Mid Carolina Cardiology Recruiting
Charlotte, North Carolina, United States, 28204
Contact: Russ Bailey, MD            
Wake Forest University Medical Center Clinical Sciences Recruiting
Winston-Salem, North Carolina, United States, 27615
Contact: Rick Henderson, MD            
United States, Ohio
The Cleveland Clinic Foundation Recruiting
Cleveland, Ohio, United States, 44195
Contact: Daniel Cantillon, MD            
The Ohio State University Recruiting
Columbus, Ohio, United States, 43210
Contact: Mahmoud Houmsse            
Columbus Cardiovascular Associates Recruiting
Columbus, Ohio, United States, 43213
Contact: Shailesh Patel, MD            
EMH Regional Medical Center Recruiting
Elyria, Ohio, United States, 44035
Contact: Kara Quan            
St. Elizabeth Health Center Recruiting
Youngstown, Ohio, United States, 44501
Contact: David Hoffman, MD            
United States, Oklahoma
Integris Baptist Medical Center Recruiting
Oklahoma City, Oklahoma, United States, 73112
Contact: Richard Lane, MD            
Oklahoma Heart Institute at Utica Recruiting
Tulsa, Oklahoma, United States, 73112
Contact: David Sandler            
United States, Pennsylvania
Abington Medical Specialists Recruiting
Abington, Pennsylvania, United States, 72758
Contact: Charles Gottlieb, MD            
Allegheny Singer Research Institute Recruiting
Pittsburgh, Pennsylvania, United States, 15212
Contact: Robert Biederman            
Donald Guthrie Foundation for Education and Research Recruiting
Sayre, Pennsylvania, United States, 18840
Contact: Pramod Deshmukh, MD            
York Hospital Recruiting
York, Pennsylvania, United States, 17403
Contact: Lyle Siddoway            
United States, South Carolina
Medical University of South Carolina Recruiting
Charleston, South Carolina, United States, 29401
Contact: Robert B. Leman, MD     843-792-7525     lemanrb@musc.edu    
Principal Investigator: Robert B. Leman, MD            
PMG Research of Charleston, LLC Recruiting
Charleston, South Carolina, United States, 29406
Contact: Lars Runquist, MD            
United States, Texas
Austin Heart Recruiting
Austin, Texas, United States, 78756
Contact: David Kessler            
South Texas Cardiovascular Consultants Recruiting
San Antonio, Texas, United States, 78201
Contact: Javier Roman Gonzalez            
Scott & White Memorial Hospital Recruiting
Temple, Texas, United States, 76508
Contact: Taresh Taneja, MD            
United States, Virginia
Martha Jefferson Hospital Recruiting
Charlottesville, Virginia, United States, 22911
Contact: John Zakaib            
Virginia Cardiovascular Associates, PC Recruiting
Manassas, Virginia, United States, 20109
Contact: Chirag Sandesara, MD            
Sentara Norfolk General Hospital Recruiting
Norfolk, Virginia, United States, 23507
Contact: Venkat Iyer            
United States, Washington
Kitsap Cardiology Consultants Recruiting
Bremerton, Washington, United States, 98310
Contact: Nathan Segerson            
The Heart Institute at Virginia Mason Recruiting
Seattle, Washington, United States, 98101
Contact: Suzanne Vogt     206-342-6514        
Principal Investigator: Christopher Fellows, MD            
United States, Wisconsin
Aurora Medical Group Recruiting
Milwaukee, Wisconsin, United States, 14450
Contact: Eyman Mortada            
Australia, South Australia
St. Andrews Hospital Recruiting
Adelaide, South Australia, Australia, 5000
Principal Investigator: Glenn Young            
Belgium
Cliniques Universitaires Saint Luc Recruiting
Brussels, B Cap R, Belgium, 1200
Contact: Jean-Benoit Le Polain de Waroux, MD            
Finland
Kuopio University Hospital Recruiting
Kuopio, East Finland, Finland, 70211
Contact: Juha Hartikainen, MD            
Netherlands
Diakonessenhuis Utrecht Active, not recruiting
Utrecht, Netherlands, 3582 KE
Sponsors and Collaborators
St. Jude Medical
Investigators
Study Director: Ashish Oza St. Jude Medical
  More Information

No publications provided

Responsible Party: St. Jude Medical
ClinicalTrials.gov Identifier: NCT01576016     History of Changes
Other Study ID Numbers: 60028820
Study First Received: April 4, 2012
Last Updated: March 19, 2013
Health Authority: United States: Food and Drug Administration

Keywords provided by St. Jude Medical:
bradycardia
MRI scans

ClinicalTrials.gov processed this record on May 23, 2013