NCT03075215

Brief Summary

To learn in a general Cardiac Resynchronization Therapy Defibrillators (CRT-D) population, which optimization techniques are used and how effective they are. It will compare 12-month response rates among different optimization methods and characterize which selected subject subgroups achieve better response than others. A subset of SMART Registry subjects will contribute to the NG4 Post Market Clinical Follow Up (PMCF) Cohort whose objective is collecting data on the NG4 CRT-D features and device usage in a real world setting and monitor long term safety associated with these devices to support CE Mark.

Trial Health

98
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Strong global presence with extensive site network
Enrollment
2,044

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Apr 2017

Longer than P75 for all trials

Geographic Reach
14 countries

134 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 5, 2017

Completed
4 days until next milestone

First Posted

Study publicly available on registry

March 9, 2017

Completed
1 month until next milestone

Study Start

First participant enrolled

April 14, 2017

Completed
4.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 15, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 15, 2021

Completed
1.9 years until next milestone

Results Posted

Study results publicly available

October 2, 2023

Completed
Last Updated

October 25, 2023

Status Verified

October 1, 2023

Enrollment Period

4.6 years

First QC Date

March 5, 2017

Results QC Date

November 1, 2022

Last Update Submit

October 11, 2023

Conditions

Outcome Measures

Primary Outcomes (2)

  • CRT Response Rate

    The traditional outcome of interest when using the Clinical Composite Score (CCS) is the proportion of patients who improved. Improvement was defined as remaining alive and free of heart failure hospitalization while also demonstrating improvement in NYHA Class, patient Global Assessment, or both. Patients were considered worsened if they died, experienced a heart failure hospitalization, or had worsened NYHA Class or patient Global Assessment. Patients who neither improved nor worsened were classified as "no change."

    12 months

  • Percentage of Post Market Clinical Follow Up Participants Without NG4 Pulse Generator Related Complications

    Complication Free rate. PG-related Complication is defined as those detectable adverse events that resulted in: * Death * Serious injury * Correction of PG failure requiring invasive intervention * Permanent loss of PG device function. Permanent loss of device function is defined as any Pulse Generator (PG) that reverts to Safety Core or any PG rendered unable to deliver pacing or shocks Complications that are determined to be associated with the PG will be considered PGrelated complications (PG) and count against the PMCF endpoint. Complications related to the LV, RV, RA leads will not be counted against the PMCF endpoint.

    36 months

Interventions

The optimization during the standard of care visits in the first 12 months following implantation

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Subjects implanted with a quadripolar NG3 or NG4 CRT-D device in conjunction with a quadripolar lead from any manufacturer will be selected based on the inclusion/exclusion criteria

You may qualify if:

  • Subject implanted or upgraded with a NG3 or NG4 CRT-D device connected with any manufacturer quadripolar LV lead based on BSC labeling for devices in specific geographies.
  • Subjects must be enrolled between 1 and 21 calendar days post CRT-D implantation procedure.
  • Subject is age 18 or above, or of legal age to give informed consent specific to each country and national laws
  • Subject is willing and capable of complying with follow-up visits and procedures as defined by this protocol

You may not qualify if:

  • Subject with documented life expectancy of less than 12 months
  • Subject currently on the active heart transplant list or has a current Left Ventricular Assist Device or other assist device (mechanical circulatory support device).
  • Subject who have had a pre-existing CRT device
  • Subject enrolled in any other concurrent clinical trial without prior written approval from BSC Clinical Trial Manager
  • Women of childbearing potential who are or might be pregnant at time of study enrolment
  • Any contra-indication to receive a CRT-D device per local guidelines

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (139)

Providence Alaska Medical Center

Anchorage, Alaska, 99508, United States

Location

CardioVascular Associates of Mesa

Mesa, Arizona, 85206, United States

Location

Arrhythmia Research Group

Jonesboro, Arkansas, 72401, United States

Location

Comprehensive Cardiovascular Medical Group

Bakersfield, California, 93309, United States

Location

VA Loma Linda Healthcare System

Loma Linda, California, 92357, United States

Location

Western Connecticut Health Network/ Danbury Hospital

Danbury, Connecticut, 06810, United States

Location

Bay Area Cardiology Associates, P.A.

Brandon, Florida, 33511, United States

Location

North Florida/South Georgia Veterans Health System

Gainesville, Florida, 32608, United States

Location

Northeast Georgia Heart Center

Gainesville, Georgia, 30501, United States

Location

The University of Illinois Medical Center

Chicago, Illinois, 60612, United States

Location

Riverside Medical Center / Midwest Arrhythmia Consultants

Kankakee, Illinois, 60901, United States

Location

Ball Memorial Hospital

Muncie, Indiana, 47303, United States

Location

Midwest Cardiovascular Research Foundation

Davenport, Iowa, 52803, United States

Location

Cardiovascular Institute of the South

Lafayette, Louisiana, 70503, United States

Location

Sinai Hospital of Baltimore

Baltimore, Maryland, 21215, United States

Location

Peninsula Cardiology Associates

Salisbury, Maryland, 21804, United States

Location

Hurley Medical Center

Flint, Michigan, 48532, United States

Location

Summit Medical Group, P.A.

Berkeley Heights, New Jersey, 07922, United States

Location

Trinity Medical WNY,PC

Buffalo, New York, 14215, United States

Location

Columbia. University Medical Center/ NY Presbyterian Hospital

New York, New York, 10032, United States

Location

New Hanover Regional Medical Center

Wilmington, North Carolina, 28401, United States

Location

St. Alexius Medical Center

Bismarck, North Dakota, 58501, United States

Location

Kettering Medical Center

Kettering, Ohio, 45429, United States

Location

Abington Memorial Hospital

Abington, Pennsylvania, 19001, United States

Location

Regional Cardiac Arrythmia

Washington, Pennsylvania, 15301, United States

Location

Texas Heart Rhythm

Houston, Texas, 77074, United States

Location

McAllen Medical Heart Hospital

McAllen, Texas, 78503, United States

Location

Cardiology Clinic of San Antonio

San Antonio, Texas, 78229, United States

Location

Hunter Holmes McGuire VA Medical Center

Richmond, Virginia, 23249, United States

Location

Flinders Medical Centre

Bedford Park, South Australia, 5042, Australia

Location

Monash Medical Centre

Clayton, Victoria, 3168, Australia

Location

Peninsula Health

Frankston, Victoria, 3199, Australia

Location

Barwon Health Myers House Ground Floor Geelong Hospital

Geelong, Victoria, 3220, Australia

Location

The Alfred Hospital

Melbourne, Victoria, 3004, Australia

Location

Landeskrankenhaus Salzburg Universitätsklinikum der PMU

Salzburg, 05020, Austria

Location

Allgemeines Krankenhaus der Stadt Wien, Univ.Klinik fĂ¼r Innere Medizin II

Vienna, Austria

Location

Krankenhaus Nord

Vienna, Austria

Location

Virga Jesse Ziekenhuis

Hasselt, 3500, Belgium

Location

UCL de Mont Godinne

Yvoir, 5530, Belgium

Location

Sunnybrook Health Sciences Centre

Toronto, Ontario, M4N 3M5, Canada

Location

Fleurimont Hospital (CHU de Sherbrooke)

Sherbrooke, Quebec, J1H 5N4, Canada

Location

Royal Alexandra Hospital - Cardiology Research CK Hui Heart Centre

Edmonton, T5H 3V9, Canada

Location

HĂ´pital du SacrĂ©-CÅ“ur de MontrĂ©al

Montreal, H4J 1C5, Canada

Location

Faculty Hospital U sv Anny

Brno, Czechia

Location

Kardiologicke centrum AGEL

Pardubice, Czechia

Location

IKEM - Institut klinicke a experimentalni mediciny

Prague, 14021, Czechia

Location

Centre Hospitalier de la Cote Basque

Bayonne, 64100, France

Location

CHU de Besancon

Besançon, 25030, France

Location

CHU Brest - Hopital Cavale Blanche

Brest, 29200, France

Location

Ch de Cannes

Cannes, France

Location

APHP CHU Henri Mondor

Créteil, 94010, France

Location

CHU Dijon

Dijon, 21000, France

Location

Hopital Privé de Clairval

Marseille, France

Location

Hospital Prive Jacques Cartier

Massy, 91300, France

Location

CH Annecy Genevois

Metz-Tessy, 74370, France

Location

Clinique du Millénaire

Montpellier, 34000, France

Location

NCN Nouvelles Cliniques Nantaises

Nantes, 44277, France

Location

CHU Nimes Cedex

Nîmes, 30029, France

Location

Chru Orleans

Orléans, 45100, France

Location

CHG de Pau

Pau, 64000, France

Location

CHU de Poitiers

Poitiers, 86021, France

Location

CHU Amiens hopital sud

Salouël, 80480, France

Location

Clinique Pasteur

Toulouse, 31000, France

Location

CHU TOURS - Hospital Trousseau

Tours, 37170, France

Location

Clinique Saint Gatien

Tours, France

Location

CH Belfort Montbeliard

Trévenans, 90400, France

Location

Hôpital Nord Franche-Comté

Trévenans, France

Location

Centre Hospitalier de Valence

Valence, 26000, France

Location

Charite Universitätsmedizin Berlin CBF

Berlin, 12203, Germany

Location

Deutsches Herzzentrum Berlin

Berlin, 13353, Germany

Location

Klinikum Links der Weser-Elektrophysiologie Bremen

Bremen, 28277, Germany

Location

Augusta Krankenhaus

DĂ¼sseldorf, 40472, Germany

Location

Universitaetsklinikum Duesseldorf

DĂ¼sseldorf, Germany

Location

Universitares Herzentrum Hamburg/Universitaetsklinik Eppendorf

Hamburg, 20251, Germany

Location

Universitaetsklinikum Heidelberg

Heidelberg, 69120, Germany

Location

Oberhavel Kliniken

Hennigsdorf, 16761, Germany

Location

Marien Hospital Herne

Herne, 44627, Germany

Location

Universitätsklinikum Leipzig

Leipzig, 04103, Germany

Location

Klinikum Leverkusen gGmbH

Leverkusen, 51375, Germany

Location

Universitätsklinikum Schleswig-Holstein

LĂ¼beck, 23538, Germany

Location

Universität Mainz zentrum fur kardiologie

Mainz, 55131, Germany

Location

Klinikum Mannheim GMBH

Mannheim, 68167, Germany

Location

Kliniken Maria-Hilf GmbH

Mönchengladbach, Germany

Location

Deutsches Herzzentrum Muenchen

Munich, 80636, Germany

Location

Krankenhaus Martha Maria

Nuremberg, 90491, Germany

Location

Klinikum Oldenburg AoR

Oldenburg, 26133, Germany

Location

Klinikum der Universitaet Regensburg

Regensburg, 93053, Germany

Location

Universitaetsklinikum Wuerzburg

WĂ¼rzburg, 97080, Germany

Location

Voc Cardiologia Ospedaliera Polocino di Bari

Bari, Italy

Location

Magna Graecia University AUO Mater Domini di Catanzaro

Catanzaro, Italy

Location

Azienda Ospedaliero - Universitaria di Ferrara

Ferrara, Italy

Location

Ospedale Vito Fazzi

Lecce, Italy

Location

Federico II University of Naples

Naples, Italy

Location

Ospedale Monaldi

Napoli, 80021, Italy

Location

Ospedale San Francesco

Nuoro, Italy

Location

Azienda Ospedaliera di Padova

Padua, Italy

Location

A.O.U. Policlinico Paolo Giaccone

Palmero, Italy

Location

Ospedale Maria PaternĂ² Arezzo

Ragusa, Italy

Location

Fondazione Policlinico Universitario Agostino Gemelli

Rome, Italy

Location

Ospedale San Pietro Fatebenefratelli

Rome, Italy

Location

Policlinico Casilino

Rome, Italy

Location

Ospedale Santa Maria della Misericordia di Rovigo

Rovigo, Italy

Location

Azienda Socio-Sanitaria Territoriale dei Sette Laghi

Varese, 21000, Italy

Location

Noordwest Ziekenhuisgroep Alkmaar

Alkmaar, 1815 JD, Netherlands

Location

Amphia Ziekenhuis

Breda, 4818 CK, Netherlands

Location

Medisch Spectrum Twente

Enschede, 7512 KZ, Netherlands

Location

UMC St. Radboud

Nijmegen, 6525 GA, Netherlands

Location

Erasmus Medical Centre

Rotterdam, 3015CE, Netherlands

Location

Maasstad Hospital

Rotterdam, 3079 DZ, Netherlands

Location

Hospital da Senhora da Oliveira

GuimarĂ£es, Portugal

Location

Hospital Santa Maria (Centro Hospitalar de Lisboa Norte)

Lisbon, Portugal

Location

Centro Hospitalar do Porto - Hospital de Santo Antonio

Porto, 4099-001, Portugal

Location

The National Institute of Cardiovascular Diseases

Bratislava, 83348, Slovakia

Location

Hospital General Universitario

Alicante, Spain

Location

Hospital Universitari Vall d'Hebron

Barcelona, 08035, Spain

Location

Hospital Bellvitge

Barcelona, Spain

Location

Hospital General de Ciudad Real

Ciudad Real, 13005, Spain

Location

Hospital Virgen De Las Nieves

Granada, Spain

Location

Hospital Infanta Leonor

Madrid, 28031, Spain

Location

Hospital Clinico San Carlos

Madrid, 28040, Spain

Location

Hospital La Paz

Madrid, 28046, Spain

Location

Clinica Universidad de Navarra

Pamplona, Spain

Location

Hospital Universitario de Canarias

Santa Cruz de Tenerife, 38320, Spain

Location

Hospital Universitario Marques De Valdecilla

Santander, 39011, Spain

Location

Hospital Virgen Macarena

Seville, Spain

Location

Hospital nuestra senora del prado

Talavera de la Reina, 45600, Spain

Location

CHUV Lausanne

Lausanne, CH-1011, Switzerland

Location

Basildon and Thurrock University Hospitals NHS Foundation Trust

Basildon, Essex, SS16 5NL, United Kingdom

Location

Belfast City Hospital

Belfast, Northern Ireland, BT9 7AB, United Kingdom

Location

Blackpool Teaching Hospitals NHS Foundation Trust'

Blackpool, United Kingdom

Location

Bristol Heart Institute

Bristol, United Kingdom

Location

Papworth Hospital

Cambridge, CB23 3RE, United Kingdom

Location

Addenbrookes Hospital

Cambridge, United Kingdom

Location

Golden Jubilee National Hospital

Glasgow, United Kingdom

Location

LHCH (Liverpool Heart and Chest Hospital)

Liverpool, United Kingdom

Location

St Bartholomews Hospital

London, EC1A 7BE, United Kingdom

Location

Manchester Royal Infirmary

Manchester, United Kingdom

Location

Northampton General Hospital

Northampton, NN1 5BD, United Kingdom

Location

Derriford Hospital

Plymouth, United Kingdom

Location

MeSH Terms

Conditions

Heart Failure

Condition Hierarchy (Ancestors)

Heart DiseasesCardiovascular Diseases

Limitations and Caveats

Limitations include a lack of a control group, but a non-randomized observational study with 2005 subjects is appropriate to meet the study's objectives to obtain "real world" therapy outcome. Due to COVID-19, there was an increase in missed visits/withdrawals, the impact to the data was minimal, 75.8% of 12-month visits were before March 2020 and there was sufficient data to power the 36-month analysis.

Results Point of Contact

Title
Clinical Trial Manager
Organization
Boston Scientific

Study Officials

  • Jose-Ignacio Garcia-Bolao, PhD, FESC

    Clinica Universidad de Navarra

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
PROSPECTIVE
Target Duration
12 Months
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 5, 2017

First Posted

March 9, 2017

Study Start

April 14, 2017

Primary Completion

November 15, 2021

Study Completion

November 15, 2021

Last Updated

October 25, 2023

Results First Posted

October 2, 2023

Record last verified: 2023-10

Data Sharing

IPD Sharing
Will not share

Locations