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Accent Cardiac MRI Study (Accent Cardiac)

6. august 2019 opdateret af: Abbott Medical Devices

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

The aim of this study was to assess safety and efficacy of SJM MRI conditional pacing system. The study hypothesized that cardiac MRI scan would not affect performance of SJM MRI conditional pacing system.

Studieoversigt

Status

Afsluttet

Betingelser

Detaljeret beskrivelse

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.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

283

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

      • Hong Kong, Hong Kong
        • Prince of Wales Hospital
      • Ahmedabad, Indien
        • Care Institute of Medical Sciences
      • Bhubaneshwar, Indien
        • Apollo Hospitals, Bhubaneshwar
      • Gurgaon, Indien
        • Medanta - The Medicity Hospital
      • New Delhi, Indien
        • All India Institute of Medical Sciences, New Delhi
      • New Delhi, Indien
        • Fortis Escorts Heart Institute and Research Center
      • New Delhi, Indien
        • Fortis Flt. Lt. Rajan Dhall Hospital
    • Punjab
      • Mohali, Punjab, Indien
        • Fortis Hospital
      • Hangzhou, Kina
        • Zhejiang Greentown Cardiovascular Disease Hospital
      • Kajang, Malaysia
        • Serdang Hospital
      • Bangkok, Thailand
        • Siriraj Hospital
      • Bangkok, Thailand
        • Ramathibodi Hospital
      • Bangkok, Thailand
        • King Chulalongkorn Memorial Hospital

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

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

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Støttende pleje
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Ingen indgriben: Kontrolgruppe
Eksperimentel: Cardiac MRI Scan Group

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Freedom From MRI Scan-related Complications
Tidsramme: MRI Visit ,1 Month Post MRI Visit
Number of subjects who were free from MRI scan-related complications
MRI Visit ,1 Month Post MRI Visit
Change in Right Atrial (RA) Capture Threshold @0.5 Millisecond (ms) From Pre-MRI Scan to 1 Month After MRI Scan
Tidsramme: MRI Visit ,1 Month Post MRI Visit
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
MRI Visit ,1 Month Post MRI Visit
Change in Right Ventricular (RV) Capture Threshold @0.5ms From Pre-MRI Scan to 1 Month After MRI Scan
Tidsramme: MRI Visit, 1 Month Post MRI Visit
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
MRI Visit, 1 Month Post MRI Visit
Change in RA Sensing Amplitude From Pre-MRI Scan to 1 Month After MRI Scan
Tidsramme: MRI Visit, 1 Month Post MRI Visit
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
MRI Visit, 1 Month Post MRI Visit
Change in RV Sensing Amplitude From Pre-MRI Scan to 1 Month After MRI Scan
Tidsramme: MRI Visit, 1 Month Post MRI Visit
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
MRI Visit, 1 Month Post MRI Visit

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Efterforskere

  • Ledende efterforsker: Chi Keong Ching, Dr, National Heart Center Singapore
  • Ledende efterforsker: Rabindra Nath Chakraborty, Dr, Apollo Gleneagles Hospital Kolkata India

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

9. juni 2014

Primær færdiggørelse (Faktiske)

17. marts 2016

Studieafslutning (Faktiske)

17. marts 2016

Datoer for studieregistrering

Først indsendt

20. december 2013

Først indsendt, der opfyldte QC-kriterier

17. januar 2014

Først opslået (Skøn)

22. januar 2014

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

21. august 2019

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

6. august 2019

Sidst verificeret

1. august 2019

Mere information

Begreber relateret til denne undersøgelse

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

UBESLUTET

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ja

produkt fremstillet i og eksporteret fra U.S.A.

Ja

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Non-Diagnostic Cardiac MRI scan

3
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