NCT00916929

Brief Summary

To demonstrate the safety and effectiveness of the Impedance Monitoring Feature in St Jude Medical cardiac devices.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
162

participants targeted

Target at P50-P75 for not_applicable heart-failure

Timeline
Completed

Started May 2009

Typical duration for not_applicable heart-failure

Geographic Reach
1 country

34 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

Study Start

First participant enrolled

May 1, 2009

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

June 8, 2009

Completed
2 days until next milestone

First Posted

Study publicly available on registry

June 10, 2009

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2011

Completed
1.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2012

Completed
1.3 years until next milestone

Results Posted

Study results publicly available

June 24, 2013

Completed
Last Updated

February 19, 2019

Status Verified

February 1, 2019

Enrollment Period

1.8 years

First QC Date

June 8, 2009

Results QC Date

December 18, 2012

Last Update Submit

February 1, 2019

Conditions

Outcome Measures

Primary Outcomes (1)

  • False Positive Rate

    False Positive Rate is the the number of departures from the device's programmed threshold that are unrelated to a heart failure event. The False Positive Rate per patient year of follow up should be less than 1.5.

    6-months

Secondary Outcomes (1)

  • Sensitivity

    6-months

Study Arms (2)

Implantable Cardioverter Defibrillator (ICD)

OTHER

Impedance Monitoring Feature in an Implantable Cardioverter Defibrillator (ICD).

Device: Impedance Monitoring Feature

Cardiac Resynchronization Therapy (CRT-D)

OTHER

Impedance Monitoring Feature in a Cardiac Resynchronization Therapy (CRT-D) device.

Device: Impedance Monitoring Feature

Interventions

Algorithm in cardiac device that measures intra-thoracic impedance from the implanted leads

Cardiac Resynchronization Therapy (CRT-D)Implantable Cardioverter Defibrillator (ICD)

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Must have a St. Jude Medical (SJM) ICD or CRT-D for at least 31 days
  • Must have had an episode of acute decompensated heart failure (ADHF) within the past 6 months

You may not qualify if:

  • History of kidney disease requiring hemodialysis
  • Refractory end stage heart failure

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (34)

University of Alabama at Birmingham

Birmingham, Alabama, 35249, United States

Location

Arizona Arrhythmia Research Center

Phoenix, Arizona, 85016, United States

Location

Arkansas Cardiology, PA

Little Rock, Arkansas, 72005, United States

Location

Little Rock Cardiology Clinic, PA

Little Rock, Arkansas, 72211, United States

Location

Glendale Memorial Hospital and MC

Glendale, California, 91204, United States

Location

Cardiac Rhythm Specialists, Inc

Northridge, California, 91325, United States

Location

Colorado Cardiac Alliance, LLC

Colorado Springs, Colorado, 80907, United States

Location

Shands Jacksonville

Jacksonville, Florida, 32209, United States

Location

Watson Clinic Center

Lakeland, Florida, 33805, United States

Location

Orlando Heart Center

Orlando, Florida, 32806, United States

Location

Tallahassee Research Institute

Tallahassee, Florida, 32308, United States

Location

Iowa Heart Center

West Des Moines, Iowa, 50266, United States

Location

Massachusetts General Hospital

Boston, Massachusetts, 02114, United States

Location

Cardiology Consultants of East Michigan

Flint, Michigan, 48532, United States

Location

Thoracic Cardiovascular HC Found. (Sparrow Research)

Lansing, Michigan, 48910, United States

Location

Hattiesburg Clinic

Hattiesburg, Mississippi, 39401, United States

Location

North Mississippi Medical Center

Tupelo, Mississippi, 38801, United States

Location

Deborah Heart and Lung Center

Browns Mills, New Jersey, 08015, United States

Location

Associated Cardiovascular Consultants

Cherry Hill, New Jersey, 08034, United States

Location

New York Presbyterian Hospital / Cornell University

New York, New York, 10021, United States

Location

Mid Carolina Cardiology

Charlotte, North Carolina, 28204, United States

Location

The Cleveland Clinic Foundation

Cleveland, Ohio, 44195, United States

Location

Ohio State University

Columbus, Ohio, 43210, United States

Location

Mercy Hospital Fairfield

Fairfield, Ohio, 45014, United States

Location

Saint Vincent Consultants in Cardiovascular Diseases

Erie, Pennsylvania, 16502, United States

Location

Hospital of the University of PA

Philadelphia, Pennsylvania, 19104, United States

Location

Thomas Jefferson University Hospital

Philadelphia, Pennsylvania, 19107, United States

Location

York Hospital

York, Pennsylvania, 17403, United States

Location

Medical University of South Carolina

Charleston, South Carolina, 29425, United States

Location

Methodist University Hospital

Memphis, Tennessee, 38104, United States

Location

St Thomas Hospital

Nashville, Tennessee, 37205, United States

Location

South Texas Cardiovascular Consultants

San Antonio, Texas, 78201, United States

Location

Sentara Norfolk General Hospital

Norfolk, Virginia, 23507, United States

Location

The Hope Heart Institute

Bellevue, Washington, 98004, United States

Location

MeSH Terms

Conditions

Heart Failure

Condition Hierarchy (Ancestors)

Heart DiseasesCardiovascular Diseases

Limitations and Caveats

There were no limitations of the trial.

Results Point of Contact

Title
Tamara Shipman
Organization
St Jude Medical

Study Officials

  • Edwin K Heist, MD, PhD

    Massachusetts General Hospital

    STUDY CHAIR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
LTE60
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
DIAGNOSTIC
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 8, 2009

First Posted

June 10, 2009

Study Start

May 1, 2009

Primary Completion

February 1, 2011

Study Completion

March 1, 2012

Last Updated

February 19, 2019

Results First Posted

June 24, 2013

Record last verified: 2019-02

Locations