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Accent Cardiac MRI Study (Accent Cardiac)
A Clinical Evaluation of the Safety and Efficacy of St. Jude Medical (SJM) Magnetic Resonance Imaging (MRI) Conditional Pacing System in Patients Undergoing Cardiac MRI
Studie Overzicht
Toestand
Conditie
Interventie / Behandeling
Gedetailleerde beschrijving
Accent Cardiac MRI study was a prospective, randomized ,multi-center study conducted in Asia. Subjects indicated for dual-chamber pacemaker and who signed study consent form were considered enrolled and post implant were randomized to either Cardiac MRI Scan Group or Control Group.
Clinical evaluation and device interrogation were performed at baseline, pre- and post-MRI scan, and one month post-MRI for all subjects. At 9-12 weeks post-implant, patients in Cardiac MRI Scan Group underwent an elective non-diagnostic cardiac MRI scan at 1.5 Tesla (T) while patients in Control group underwent device interrogation and clinical evaluation twice with a 45-minute waiting period in between. The safety endpoint was freedom from MRI-related complications while efficacy endpoint was change in right atrial/ ventricular (RA/RV) capture threshold and sensing amplitude from pre-MRI scan to one month post-MRI scan.
Studietype
Inschrijving (Werkelijk)
Fase
- Niet toepasbaar
Contacten en locaties
Studie Locaties
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Hangzhou, China
- Zhejiang Greentown Cardiovascular Disease Hospital
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Hong Kong, Hongkong
- Prince of Wales Hospital
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Ahmedabad, Indië
- Care Institute of Medical Sciences
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Bhubaneshwar, Indië
- Apollo Hospitals, Bhubaneshwar
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Gurgaon, Indië
- Medanta - The Medicity Hospital
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New Delhi, Indië
- All India Institute of Medical Sciences, New Delhi
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New Delhi, Indië
- Fortis Escorts Heart Institute and Research Center
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New Delhi, Indië
- Fortis Flt. Lt. Rajan Dhall Hospital
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Punjab
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Mohali, Punjab, Indië
- Fortis Hospital
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Kajang, Maleisië
- Serdang Hospital
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Bangkok, Thailand
- Siriraj Hospital
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Bangkok, Thailand
- Ramathibodi Hospital
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Bangkok, Thailand
- King Chulalongkorn Memorial Hospital
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria
- Have an approved indication per American College of Cardiology(ACC)/ American Heart Association(AHA)/ Heart Rhythm Society(HRS)/ European Society of Cardiology(ESC) guidelines for implantation of a pacemaker
- Will receive a new dual chamber pacemaker and leads
- Be willing to undergo an elective MRI scan without complete sedation, that is ,under consciousness during MRI scan
- Be able to provide informed consent for study participation
- 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)
- Age≥18 years
- Subjects must be able to undergo pectoral implantation
Exclusion Criteria
- Having an existing pacemaker or Implantable Cardioverter Defibrillator (ICD) .A new pacemaker and lead is required for enrollment
- Permanent Atrial Fibrillation/Flutter
- Are medically indicated for an MRI scan at the time of enrollment
- Have an existing active implanted medical device, e.g. neurostimulator, infusion pump etc
- Have a non-MRI compatible device or material implanted
- 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
- 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
- Subjects 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: Ondersteunende zorg
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Geen tussenkomst: Controlegroep
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Experimenteel: Cardiac MRI Scan Group
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Freedom From MRI Scan-related Complications
Tijdsspanne: MRI Visit ,1 Month Post MRI Visit
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Number of subjects who were free from MRI scan-related complications
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MRI Visit ,1 Month Post MRI Visit
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Change in Right Atrial (RA) Capture Threshold @0.5 Millisecond (ms) From Pre-MRI Scan to 1 Month After MRI Scan
Tijdsspanne: MRI Visit ,1 Month Post MRI Visit
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Number of subjects who experienced an increase in RA capture threshold @ 0.5 ms at 1-Month post MRI scan visit ≤ 0.5 Volt (V) compared to pre-MRI scan value collected at MRI scan visit
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MRI Visit ,1 Month Post MRI Visit
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Change in Right Ventricular (RV) Capture Threshold @0.5ms From Pre-MRI Scan to 1 Month After MRI Scan
Tijdsspanne: MRI Visit, 1 Month Post MRI Visit
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Number of subjects who experienced an increase in RV capture threshold @ 0.5 ms at 1-Month post MRI scan visit ≤ 0.5 V compared to pre-MRI scan value collected at MRI scan visit
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MRI Visit, 1 Month Post MRI Visit
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Change in RA Sensing Amplitude From Pre-MRI Scan to 1 Month After MRI Scan
Tijdsspanne: MRI Visit, 1 Month Post MRI Visit
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Number of subjects who experienced a decrease in RA sensing amplitude ≤ 50% and at least 1.5 mV at 1-Month post MRI scan visit compared to pre-MRI scan value collected at MRI scan visit
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MRI Visit, 1 Month Post MRI Visit
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Change in RV Sensing Amplitude From Pre-MRI Scan to 1 Month After MRI Scan
Tijdsspanne: MRI Visit, 1 Month Post MRI Visit
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Number of subjects who experienced a decrease in RV sensing amplitude ≤ 50% and at least 5 mV at 1-Month post MRI scan visit compared to pre-MRI scan value collected at MRI scan visit
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MRI Visit, 1 Month Post MRI Visit
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Medewerkers en onderzoekers
Sponsor
Onderzoekers
- Hoofdonderzoeker: Chi Keong Ching, Dr, National Heart Center Singapore
- Hoofdonderzoeker: Rabindra Nath Chakraborty, Dr, Apollo Gleneagles Hospital Kolkata India
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
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- CR-13-031-AP-LV
Plan Individuele Deelnemersgegevens (IPD)
Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
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product vervaardigd in en geëxporteerd uit de V.S.
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