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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00982397
Other study ID # PainFree SST
Secondary ID
Status Completed
Phase N/A
First received September 22, 2009
Last updated October 5, 2017
Start date September 2009
Est. completion date September 2013

Study information

Verified date October 2017
Source Medtronic Cardiac Rhythm and Heart Failure
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of the study is two-fold. In Phase I (Protecta Clinical Study), system performance will be evaluated. In Phase II (PainFree SST), the inappropriate shock-free rate at one year of subjects implanted with a Medtronic Protecta implantable cardioverter defibrillator (ICD) and cardiac resynchronization therapy defibrillator (CRT-D) will be evaluated.


Description:

The PainFree SST study was a prospective, multicenter clinical trial, which was conducted in two consecutive phases. Phase I assessed safety as determined by assessment of delays in ventricular fibrillation (VF) arrhythmia detection time using new algorithms. Phase II assessed the influence of new algorithms on inappropriate and unnecessary shocks at 1 year of follow-up. Subjects enrolled in Phase I continued in Phase II of the study and data from all enrolled subjects contributed to the analysis of Phase II objectives. A sub-study of Phase II randomized secondary prevention subjects to either 18/24 NID or 30/40 NID in order to assess the safety of prolonged detection in these patients.


Recruitment information / eligibility

Status Completed
Enrollment 2770
Est. completion date September 2013
Est. primary completion date September 2013
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria:

- Patients meeting one of the following criteria can be included in Phase I of the study:

- Patients indicated (per local indications) for a dual chamber implantable cardioverter defibrillator (DR-ICD)/cardiac resynchronization therapy defibrillator (CRT-D)

- Patients undergoing a device replacement or upgrade to DR-ICD or CRT-D and with the protocol required leads (patients must be enrolled prior to implant)

- Patients meeting one of the following criteria can be included in Phase II of the study:

- Patients indicated for a DR-ICD/VR-ICD/CRT-D device and intended to receive a Protecta device

- Patients undergoing a DR-ICD/VR-ICD/CRT-D device replacement or an upgrade to a Protecta DR-ICD/VR-ICD or CRT-D

- Patients indicated for a DR-ICD/VR-ICD/CRT-D already implanted with a Protecta device and the protocol required leads, who have not yet been discharged after implant

Exclusion Criteria:

- Patients with a mechanical tricuspid heart valve

- Patients enrolled or intended to participate in any concurrent drug and/or device study, which would confound the results of this trial as determined by Medtronic, during the course of this clinical study

- Patients with medical conditions that preclude the testing required for all patients by the study protocol or that otherwise limit study participation required for all patients

- Patients with exclusion criteria required by local law (e.g. age, pregnancy, breast feeding, etc)

- Patients anticipated not being able to complete the study

- Patients unwilling to provide written informed consent

Study Design


Intervention

Device:
Protecta VR-ICD
Protecta single-chamber implantable cardioverter defibrillators.
Protecta DR-ICD or CRT-D
Protecta dual-chamber implantable cardioverter defibrillators and cardiac resynchronization therapy defibrillators.

Locations

Country Name City State
Austria LKH - Universitätsklinikum Graz Graz
Austria Landesklinikum St. Pölten St. Polten
Austria Klinikum Wels-Grieskirchen GmbH Wels
Canada Institut Universitaire de Cardiologieet de Pneumologie de Québec (IUCPQ) Halifax Nova Scotia
Canada Queen Elizabeth II Health Sciences Centre Halifax
Canada Kelowna Arrhythmia Research Kelowna
Canada Queen's University & Kingston General Hospital Kingston
Canada London Health Sciences Centre - University Campus London
Canada Montreal Heart Institute Montreal
Canada Newmarket Electrophysiology Research Group Newmarket Ontario
Canada University of Ottawa Heart Institute Ottawa
Canada Saint Paul's Hospital (Vancouver BC) Vancouver British Columbia
Canada Royal Jubilee Hospital Victoria British Columbia
Colombia Fundacion Cardioinfantil Bogota
Colombia Hospital Cardiovascular del Nino Bogota
Colombia Clinica Cardiovascular Santa Maria Medellin
Czechia Krajska nemocnice Liberec a.s. - Kardiocentrum Liberec
Denmark Aalborg Sygehus Aalborg
Denmark Aarhus Universitetshospital - Skejby Aarhus
Germany Herz- und Gefässzentrum Bad Bevensen Bad Bevensen
Germany Herz- und Diabeteszentrum NRW - Ruhr-Universität Bochum Bad Oeynhausen
Germany Segeberger Kliniken GmbH Bad Segeberg
Germany Berufsgenossenschaftliche Universitätsklinik Bergmannsheil GmbH Bochum
Germany Universitätsklinikum Bonn Bonn
Germany MVZ am Küchwald GmbH ambulantes Herz Zentrum Chemnitz Chemnitz
Germany Klinikum Coburg GmbH Coburg
Germany Kardiocentrum Frankfurt an der Klinik Rotes Kreuz Frankfurt
Germany Universitätsmedizin Göttingen Georg-August-Universität Gottingen
Germany Ruprecht-Karls-Universität Heidelberg
Germany Westpfalz-Klinikum GmbH - Standort I Kaiserslautern Kaiserslautern
Germany Herz Zentrum Bodensee Konstanz
Germany Klinikum Ludwigsburg - Akademisches Lehrkrankenhaus der Universität Heidelberg Ludwigsburg
Germany Universitätsmedizin der Johannes Gutenberg-Universität Mainz Mainz
Germany Städtische Kliniken München GmbH - Klinikum Bogenhausen Munchen
Germany Städtische Kliniken Neuss Lukaskrankenhaus GmbH-Akad.Lehrkrankenhaus d. Heinrich-Heine-Universität Neuss
Germany Universitätsmedizin Rostock Rostock
Germany Herz- und Kreislaufzentrum Rotenburg a.d. Fulda GmbH Rotenburg a.d. Fulda
Germany Asklepios Kliniken Schwalm - Eder GmbH - Klinikum Schwalmstadt Schwalmstadt
Germany Heinrich-Braun-Klinikum Zwickau gemeinnützige GmbH Zwickau
India Care Institute of Medical Sciences Ahmedabad
India Medanta-The Medicity Gurgaon
Israel Barzilai Medical Center Ashkelon Ashkelon
Israel Soroka University Medical Center Be'er Sheba
Israel Carmel Medical Center Haifa
Israel Rambam Health Care Campus Haifa
Israel Shaare Zedek Medical Center Jerusalem
Israel Rabin Medical Center - Beilinson Hospital Petach Tikva
Israel Chaim Sheba Medical Center Ramat Gan
Israel Kaplan Medical Center Rehovot
Israel Tel Aviv Sourasky Medical Center Tel Aviv
Italy Ospedale classificato ed equiparato Sacro Cuore - Don Calabria Negrar
Italy Azienda Complesso Ospedaliero San Filippo Neri - Ospedale San Filippo Neri Rome
Japan Akita Medical Center Akita
Japan Kansai Rosai Hospital Amagasak Hyogo
Japan Chiba University Hospital Chiba
Japan Sapporo Medical Center NTT EC Chuo-ku Sapporo
Japan Hirosaki University School of Medicine & Hospital Hirosaki Aomori
Japan St. Marianna University School of Medicine Hospital Kawasaki Kanagawa
Japan Kokura Memorial Hospital Kitakyushu
Japan Kobe University Hospital Kobe Hyogo
Japan Kumamoto University Hospital Kumamoto
Japan Kyoto University Hospital Kyoto
Japan Niigata University Medical & Dental Hospital Niigata
Japan Kinki University Hospital Osakasaya Osaka
Japan Kitasato University Hospital Sagamihara
Japan National Cerebral and Cardiovasuclar Center Suita Osaka
Malaysia Institut Jantung Negara - National Heart Institute Kuala Lumpur
Netherlands Medisch Centrum Alkmaar Alkmaar
Netherlands Academisch Medisch Centrum (AMC) Amsterdam
Netherlands Amphia Ziekenhuis - Locatie Molengracht Breda Breda
Netherlands Catharina Ziekenhuis Eindhoven
Netherlands Medisch Spectrum Twente Enschede
Netherlands Medisch Centrum Leeuwarden Leeuwarden
Netherlands Leids Universitair Medisch Centrum Leiden
Netherlands St. Antonius Ziekenhuis Nieuwegein
Netherlands Universitair Medisch Centrum Utrecht Utrecht
Saudi Arabia King Faisal Specialist Hospital & Research Center Riyadh
Saudi Arabia Prince Salman Heart Centre - King Fahad Medical City Riyadh
Slovenia University Medical Centre Ljubljana Ljubljana
South Africa Milpark Hospital Johannesburg
Spain Hospital De Cruces Barakaldo
Spain Hospital Universitario 12 de Octubre Madrid
Spain Hospital Universitario Puerta de Hierro Majadahonda Majadahonda
Spain Complejo Hospitalario Universitario de Vigo (CHUVI) - Hospital del Meixoeiro Vigo
Sweden Universitetssjukhuset i Lund Lund
Sweden Universitetssjukhuset Örebro Örebro
Sweden Capio S:t Görans Sjukhus Stockholm
Switzerland Cardio Centro Ticino Lugano
United Arab Emirates Sheikh Khalifa Medical Center Abu Dhabi
United Kingdom Royal Bournemouth Hospital Bournemouth
United Kingdom Liverpool Heart and Chest Hospital NHS Foundation Trust Liverpool
United Kingdom King's College Hospital NHS Foundation Trust London
United Kingdom Southampton General Hospital - University Hospital Southampton NHS Foundation Trust Southampton
United States Birmingham Heart Clinic PC Birmingham Alabama
United States Ohio Heart and Vascular Cincinnati Ohio
United States Central Bucks Cardiology Doylestown Pennsylvania
United States Essentia Institute of Rural Health Duluth Minnesota
United States Pee Dee Cardiology Florence South Carolina
United States Mercy Hospital Fort Smith Fort Smith Arkansas
United States Hartford Hospital Hartford Connecticut
United States Hall-Garcia Cardiology Associates Houston Texas
United States Indiana Heart Physicians Indianapolis Indiana
United States University of Florida Health at Jacksonville Jacksonville Florida
United States LA Cardiology Associates Los Angeles California
United States CardioVasular Associates of Mesa Mesa Arizona
United States Arrhythmia Syncope Consultants LLC Miami Florida
United States Columbia St. Mary's Hospital Milwaukee Wisconsin
United States Cardiovascular Research of Northwest Indiana Munster Indiana
United States Cardiology Consultants of Napa Valley Napa California
United States Centennial Heart Cardiovascular Consultants LLC Nashville Tennessee
United States University of Pennsylvania Philadelphia Pennsylvania
United States Pinehurst Medical Clinic Pinehurst North Carolina
United States Virginia Commonwealth University Health System Richmond Virginia
United States CentraCare Heart & Vascular Center Saint Cloud Minnesota
United States Saint Louis Heart & Vascular PC Saint Louis Missouri
United States Delmarva Heart Research Foundation Salisbury Maryland
United States Cardiology Consultants PA Spartanburg South Carolina
United States Spokane Cardiology Spokane Washington
United States Saint John's Medical Research Inc Springfield Missouri
United States Cardiology PC Syracuse New York
United States St. Vincent Mercy Medical Center Toledo Ohio
United States Iowa Heart Center West Des Moines Iowa

Sponsors (1)

Lead Sponsor Collaborator
Medtronic Cardiac Rhythm and Heart Failure

Countries where clinical trial is conducted

United States,  Austria,  Canada,  Colombia,  Czechia,  Denmark,  Germany,  India,  Israel,  Italy,  Japan,  Malaysia,  Netherlands,  Saudi Arabia,  Slovenia,  South Africa,  Spain,  Sweden,  Switzerland,  United Arab Emirates,  United Kingdom, 

References & Publications (4)

Auricchio A, Meijer A, Kurita T, Schloss E, Brinkman K, Claessens-van Ooijen M, Sterns L. Safety, efficacy, and performance of new discrimination algorithms to reduce inappropriate and unnecessary shocks: the PainFree SST clinical study design. Europace. 2011 Oct;13(10):1484-93. doi: 10.1093/europace/eur133. Epub 2011 Jun 13. — View Citation

Auricchio A, Schloss EJ, Kurita T, Meijer A, Gerritse B, Zweibel S, AlSmadi FM, Leng CT, Sterns LD; PainFree SST Investigators. Low inappropriate shock rates in patients with single- and dual/triple-chamber implantable cardioverter-defibrillators using a — View Citation

Sterns LD, Meine M, Kurita T, Meijer A, Auricchio A, Ando K, Leng CT, Okumura K, Sapp JL, Brown ML, Lexcen DR, Gerritse B, Schloss EJ. Extended detection time to reduce shocks is safe in secondary prevention patients: The secondary prevention substudy of — View Citation

Wollmann CG, Lawo T, Kühlkamp V, Becker R, Garutti C, Jackson T, Brown ML, Mayr H. Implantable defibrillators with enhanced detection algorithms: detection performance and safety results from the PainFree SST study. Pacing Clin Electrophysiol. 2014 Sep;37 — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Percentage of Subjects Who Are Inappropriate Shock Free Primary objective of Phase II. Subjects implanted with a VR device will be analyzed separately from subjects implanted with a DR / CRT-D device. An inappropriate shock is a shock delivered by the defibrillator when the patient's heart rhythm was not a tachyarrhythmia, as adjudicated by the independent Episode Review Committee . Implant to one year post-implant
Primary Percentage of Subjects With Unanticipated Severe Adverse Device Effects (Phase I) In Phase I, only DR-ICD/CRT-D devices were implanted, so that for Phase I objectives there is only 1 arm to report results for. Implant to one month post-implant
Primary Percentage of Phase I Subjects Where the Ventricular Fibrillation (VF) Detection Time With Protecta Features on is no More Than 2 Seconds Longer Than the VF Detection Time With Protecta Features Off In Phase I, only DR-ICD/CRT-D devices were implanted, so that for Phase I objectives there is only 1 arm to report results for. At implant
Secondary Percentage of Secondary Prevention Subjects Who Are Syncopal Event Free Implant to one year post-implant
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