NCT01514773

Brief Summary

To better understand the reasons for underutilization of defibrillator therapy in selected populations, the investigators propose a study to assess heart failure patient knowledge and attitudes toward device therapy. By carefully studying populations of patients with systolic heart failure, the investigators aim to identify the underlying reasons for implantable cardioverter defibrillators (ICD) non-utilization in patients with symptomatic systolic heart failure.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
452

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Aug 2011

Typical duration for all trials

Geographic Reach
1 country

1 active site

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

August 1, 2011

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

January 17, 2012

Completed
6 days until next milestone

First Posted

Study publicly available on registry

January 23, 2012

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 30, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 30, 2013

Completed
Last Updated

March 17, 2017

Status Verified

March 1, 2017

Enrollment Period

2.1 years

First QC Date

January 17, 2012

Last Update Submit

March 15, 2017

Conditions

Keywords

left ventricular systolic dysfunctionimplantable cardioverter defibrillatorsystolic heart failurecongestive heart failureIschemic cardiomyopathyNonischemic cardiomyopathyICDICD utilizationICD implantationdefibrillatordefibrillator therapysudden cardiac death

Outcome Measures

Primary Outcomes (1)

  • Patient Determinants of Appropriate ICD Utilization

    Specifically, we will assess patients for knowledge deficits regarding the clinical effects of ICD therapy. We will assess patients for their opinions regarding their risk of death, and whether they are willing to trade time to avoid discomfort of their illness or ICD shocks. We will ask patients about their thoughts about financial concerns regarding ICD therapy and their trust in technology, their physician and the medical system. We will also ask patients about their opinions regarding cosmetic issues created by ICD placement.

    1 year

Secondary Outcomes (1)

  • Physician Determinants of Appropriate ICD Utilization

    1 year

Study Arms (2)

ICD placement

Those subjects who have an ICD.

No ICD placement

Those subjects who have not had an ICD placed.

Eligibility Criteria

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

University of Michigan Health System Ambulatory Heart Failure Registry

You may qualify if:

  • Age ≥ 18 years old
  • Left ventricular ejection fraction ≤ 35%
  • Previous diagnosis of heart failure with current NYHA Class II-III symptoms
  • Established UMHS patient with at least two outpatient visits in the past two years to either Primary Care or Cardiology, OR, at least one inpatient admission in the past two years along with at least one outpatient visit within the past 13 months to Primary Care or Cardiology

You may not qualify if:

  • Patients having undergone heart transplantation
  • Patients having undergone placement of a left ventricular assist device
  • Patients with congenital heart disease

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Michigan Health System

Ann Arbor, Michigan, 48109, United States

Location

MeSH Terms

Conditions

Heart Failure, SystolicVentricular Dysfunction, LeftHeart FailureDeath, Sudden, Cardiac

Condition Hierarchy (Ancestors)

Heart DiseasesCardiovascular DiseasesVentricular DysfunctionHeart ArrestDeath, SuddenDeathPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Todd M Koelling, MD

    University of Michigan

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
OTHER
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Associate Professor, Director Heart Failure Program

Study Record Dates

First Submitted

January 17, 2012

First Posted

January 23, 2012

Study Start

August 1, 2011

Primary Completion

August 30, 2013

Study Completion

August 30, 2013

Last Updated

March 17, 2017

Record last verified: 2017-03

Locations