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- Klinische proef NCT01576016
Safety and Efficacy of the Accent Magnetic Resonance Imaging™ (MRI) Pacemaker and Tendril MRI™ Lead
Accent Magnetic Resonance Imaging Pacemaker and Tendril Magnetic Resonance Imaging™ Lead Investigational Device Exemption Study
Studie Overzicht
Toestand
Conditie
Interventie / Behandeling
Gedetailleerde beschrijving
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. The study consisted of two phases, a Lead Safety Phase which evaluated the safety of the Tendril MRI lead, and an MRI Phase which evaluated the safety and efficacy of the Accent MRI pacemaker system in an MRI environment.
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 right atrial (RA) and right ventricle (RV) lead-related complications at implant to 2 months (acute timeframe), and at the 2 through the 12 month visit (chronic timeframe).
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.
MRI Efficacy Efficacy of the Tendril MR lead will be evaluated in terms of the change in bipolar atrial and ventricular capture and sensing thresholds before and after the MRI scan.
Secondary Endpoints Safety Safety of the Accent MRI™ 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.
Studietype
Inschrijving (Werkelijk)
Fase
- Niet toepasbaar
Contacten en locaties
Studie Locaties
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South Australia
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Adelaide, South Australia, Australië, 5000
- St. Andrews Hospital
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B Cap R
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Brussels, B Cap R, België, 1200
- Cliniques Universitaires Saint Luc
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East Finland
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Kuopio, East Finland, Finland, 70211
- Kuopio University Hospital
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Utrecht, Nederland, 3582 KE
- Diakonessenhuis Utrecht
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Alabama
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Birmingham, Alabama, Verenigde Staten, 35233
- University Hospital of Alabama at Birmingham
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Huntsville, Alabama, Verenigde Staten, 35801
- Heart Center Research
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Arizona
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Phoenix, Arizona, Verenigde Staten, 85016
- Arizona Arrhythmia Research Center
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Arkansas
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Little Rock, Arkansas, Verenigde Staten, 72211
- Arkansas Heart Hospital
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Little Rock, Arkansas, Verenigde Staten, 72205
- Baptist Health Medical Center
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Rogers, Arkansas, Verenigde Staten, 72758
- Mercy Hospital Northwest Arkansas
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California
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Bakersfield, California, Verenigde Staten, 93308
- Central Cardiology
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Burbank, California, Verenigde Staten, 91505
- Raymond Schaerf, MD
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Concord, California, Verenigde Staten, 94520
- John Muir Medical Center
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Fullerton, California, Verenigde Staten, 92835
- St. Jude Hospital
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Glendale, California, Verenigde Staten, 91206
- Glendale Adventist Medical Center
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La Jolla, California, Verenigde Staten, 92037
- Scripps Green Hospital
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Modesto, California, Verenigde Staten, 95355
- Memorial Medical Center
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Newport Beach, California, Verenigde Staten, 92629
- Premier Cardiology, Inc / Hoag Hospital
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Rancho Mirage, California, Verenigde Staten, 92270
- Desert Cardiology Consultants
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Sacramento, California, Verenigde Staten, 95819
- Mercy General Hospital
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Sacramento, California, Verenigde Staten, 95819
- Sutter Memorial Hospital
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Colorado
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Denver, Colorado, Verenigde Staten, 80012
- Aurora Denver Cardiology Associates
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Littleton, Colorado, Verenigde Staten, 80120
- South Denver Cardiology Associates PC
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Loveland, Colorado, Verenigde Staten, 80538
- Medical Center of the Rockies
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Florida
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Atlantis, Florida, Verenigde Staten, 33462
- Medical Specialists of the Palm Beaches
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Lakeland, Florida, Verenigde Staten, 33647
- Watson Clinic Center
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Orlando, Florida, Verenigde Staten, 32803
- Florida Hospital Orlando
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Orlando, Florida, Verenigde Staten, 32806
- Orlando Health
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Rockledge, Florida, Verenigde Staten, 32955
- Brevard Cardiovascular Research Associates
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Tallahassee, Florida, Verenigde Staten, 32308
- Tallahassee Research Institute
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Tampa, Florida, Verenigde Staten, 33606
- University of South Florida, Cardiovascular Services
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Georgia
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Athens, Georgia, Verenigde Staten, 30606
- Athens Cardiology Group, PC
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Atlanta, Georgia, Verenigde Staten, 30041
- Atlanta Heart Specialist
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Illinois
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Springfield, Illinois, Verenigde Staten, 62701
- Prairie Education and Research Cooperative
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Kentucky
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Lexington, Kentucky, Verenigde Staten, 40503
- Central Baptist Hospital
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Louisiana
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New Orleans, Louisiana, Verenigde Staten, 70121
- Ochsner Medical Center
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Michigan
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Grand Rapids, Michigan, Verenigde Staten, 49503
- Spectrum Health
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Lansing, Michigan, Verenigde Staten, 48910
- Thoracic Cardio Healthcare Foundation
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Southfield, Michigan, Verenigde Staten, 48075
- Providence Hospital
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Minnesota
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Minneapolis, Minnesota, Verenigde Staten, 55407
- Minneapolis Heart Institute
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Missouri
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Kansas City, Missouri, Verenigde Staten, 64111
- St. Luke's Hospital
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Saint Louis, Missouri, Verenigde Staten, 63110
- Washington University School of Medicine
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Saint Louis, Missouri, Verenigde Staten, 63131
- Missouri Baptist Medical Center
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Nebraska
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Omaha, Nebraska, Verenigde Staten, 68124
- Alegent Creighton Health
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New York
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Rochester, New York, Verenigde Staten, 14450
- University of Rochester Medical Center
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North Carolina
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Chapel Hill, North Carolina, Verenigde Staten, 27599-7075
- University of North Carolina at Chapel Hill
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Charlotte, North Carolina, Verenigde Staten, 28204
- Mid Carolina Cardiology
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Winston-Salem, North Carolina, Verenigde Staten, 27615
- Wake Forest University Medical Center Clinical Sciences
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Ohio
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Cleveland, Ohio, Verenigde Staten, 44195
- The Cleveland Clinic Foundation
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Columbus, Ohio, Verenigde Staten, 43210
- The Ohio State University
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Columbus, Ohio, Verenigde Staten, 43213
- Columbus Cardiovascular Associates
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Elyria, Ohio, Verenigde Staten, 44035
- EMH Regional Medical Center
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Youngstown, Ohio, Verenigde Staten, 44501
- St. Elizabeth Health Center
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Oklahoma
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Oklahoma City, Oklahoma, Verenigde Staten, 73112
- Integris Baptist Medical Center
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Tulsa, Oklahoma, Verenigde Staten, 73112
- Oklahoma Heart Institute at Utica
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Pennsylvania
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Abington, Pennsylvania, Verenigde Staten, 72758
- Abington Medical Specialists
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Pittsburgh, Pennsylvania, Verenigde Staten, 15212
- Allegheny Singer Research Institute
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Sayre, Pennsylvania, Verenigde Staten, 18840
- Donald Guthrie Foundation for Education and Research
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York, Pennsylvania, Verenigde Staten, 17403
- York Hospital
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South Carolina
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Charleston, South Carolina, Verenigde Staten, 29401
- Medical University of South Carolina
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Charleston, South Carolina, Verenigde Staten, 29406
- PMG Research of Charleston, LLC
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Texas
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Austin, Texas, Verenigde Staten, 78756
- Austin Heart
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San Antonio, Texas, Verenigde Staten, 78201
- South Texas Cardiovascular Consultants
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Temple, Texas, Verenigde Staten, 76508
- Scott & White Memorial Hospital
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Virginia
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Charlottesville, Virginia, Verenigde Staten, 22911
- Martha Jefferson Hospital
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Manassas, Virginia, Verenigde Staten, 20109
- Virginia Cardiovascular Associates, PC
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Norfolk, Virginia, Verenigde Staten, 23507
- Sentara Norfolk General Hospital
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Washington
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Bremerton, Washington, Verenigde Staten, 98310
- Kitsap Cardiology Consultants
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Seattle, Washington, Verenigde Staten, 98101
- The Heart Institute at Virginia Mason
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Wisconsin
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Milwaukee, Wisconsin, Verenigde Staten, 14450
- Aurora Medical Group
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Kind
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria:
Eligible patients will meet all of the following:
- Have an approved indication per American College of Cardiology (ACC)/American Heart Association (AHA)/Heart Rhythm Society (HRS) guidelines for implantation of a pacemaker
- Will receive a new pacemaker and lead
- Be willing to undergo an elective MRI scan without sedation
- Be able to provide informed consent for study participation (legal guardian is NOT acceptable)
- Be willing and able to comply with the prescribed follow-up tests and schedule of evaluations
- 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:
- Are medically indicated for an MRI scan at the time of enrollment
- Have an existing pacemaker or implantable cardioverter defibrillator (ICD). A new pacemaker and lead is required for enrollment
- Have an existing active/inactive implanted medical device, e.g., neurostimulator, infusion pump, etc.
- Have a non-MRI compatible device or material implanted (e.g., intracranial aneurysm clip, non-MRI compatible devices or material, metals or alloys, etc.)
- Have a lead extender or adaptor
- Be unable to fit in MRI bore; will come into contact with the magnet façade inside the MRI bore.
- Have a prosthetic tricuspid heart valve
- Are currently participating in a clinical investigation that includes an active treatment arm
- Are allergic to dexamethasone sodium phosphate (DSP)
- Are pregnant or planning to become pregnant during the duration of the study
- Have a life expectancy of less than 12 months due to any condition
- Patients with exclusion criteria required by local law (e.g., age)
- Are unable to comply with the follow up schedule
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Niet-gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Experimenteel: Lead Safety
Patient implanted with an Accent MRI system to evaluate safety of the Tendril MRI lead
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Patients implanted with an Accent MRI system
Andere namen:
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Experimenteel: Accent MRI system MRI Scan Group
Patient implanted with an Accent MRI system will receive an MRI scan to evaluate safety and efficacy of the Accent MRI system in an MRI environment
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Patients implanted with an Accent MRI system will receive an MRI scan
Andere namen:
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
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Freedom From Right Atrial (RA) Lead-related Complications in the Acute Period
Tijdsspanne: Implant through 2 months
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Percentage of patients who do not have RA lead-related complications from implant through the 2 month study visit
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Implant through 2 months
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Freedom From Right Ventricular (RV) Lead-related Complications in the Acute Time Period
Tijdsspanne: Implant through 2 months
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Percentage of patients who do not have RV lead-related complications from implant through the 2 month study visit
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Implant through 2 months
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Freedom From RA Related Complications in the Chronic Period
Tijdsspanne: 2 months through 12 months
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Percentage of patients who do not have RA lead-related complications from the 2 month through the 12 month study visit
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2 months through 12 months
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Freedom From Right Ventricular Lead Related Complications in the Chronic Period
Tijdsspanne: 2 months through 12 months
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Percentage of patients who do not have RV lead-related complications from the 2 month through the 12 month study visit
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2 months through 12 months
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Freedom From MRI Scan-related Complications
Tijdsspanne: MRI Scan visit through 1 month after MRI scan visit
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Percentage of patients who do not have MRI-related complications from the MRI scan visit to the 1 month post MRI scan visit
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MRI Scan visit through 1 month after MRI scan visit
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Change in Atrial Capture Threshold From Pre to Post MRI Scan
Tijdsspanne: MRI Scan visit to 1 month after MRI scan visit
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Percentage of patients with an increase in RA capture thresholds of <= 0.5 V, at a pulse width of 0.5 ms .
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MRI Scan visit to 1 month after MRI scan visit
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Change in Ventricular Capture Threshold Pre to Post MRI Scan
Tijdsspanne: MRI Scan visit to 1 month after MRI scan visit
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Percentage of patients with an increase in RV capture thresholds of <=0.5V, at a pulse width of 0.5 ms.
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MRI Scan visit to 1 month after MRI scan visit
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Change in Atrial Sense Amplitude
Tijdsspanne: MRI Scan visit to 1 month after MRI scan visit
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Percentage of patients with a reduction in RA sense amplitude <=50 % and sense amplitude >=1.5 mV.
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MRI Scan visit to 1 month after MRI scan visit
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Change in Ventricular Sense Amplitude
Tijdsspanne: MRI Scan visit to 1 month after the MRI Scan visit
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Percentage of patients with an reduction in RV sense amplitude <=50% and sense amplitude >=5 mV.
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MRI Scan visit to 1 month after the MRI Scan visit
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
---|---|---|
Freedom From System-related Complications
Tijdsspanne: Implant through 12 months
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Percentage of patients who do not have system-related complications from implant through the 12 month study visit
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Implant through 12 months
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Atrial Capture Threshold at the MRI Visit
Tijdsspanne: MRI Scan visit (approx 3 months post implant)
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Percentage of patients with RA capture threshold ≤2.0 volts (V) at the MRI visit
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MRI Scan visit (approx 3 months post implant)
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Ventricular Capture Threshold at the MRI Visit
Tijdsspanne: MRI Scan visit (approx 3 months post implant)
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Percentage of patients with RV capture threshold ≤2.0 V at the MRI visit
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MRI Scan visit (approx 3 months post implant)
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Medewerkers en onderzoekers
Sponsor
Onderzoekers
- Studie directeur: Grant Kim, Abbott Medical Devices
Studie record data
Bestudeer belangrijke data
Studie start (Werkelijk)
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Andere studie-ID-nummers
- 60028820
Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .
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