NCT00500708

Brief Summary

The overall objective of the DISCERN study is to develop and validate a genomic diagnostic assay to identify patients at increased risk for lethal ventricular arrhythmias and sudden cardiac death (SCD).

Trial Health

87
On Track

Trial Health Score

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

Enrollment
1,564

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jul 2007

Longer than P75 for all trials

Geographic Reach
1 country

8 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

July 1, 2007

Completed
10 days until next milestone

First Submitted

Initial submission to the registry

July 11, 2007

Completed
2 days until next milestone

First Posted

Study publicly available on registry

July 13, 2007

Completed
4.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2011

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2011

Completed
Last Updated

October 19, 2017

Status Verified

October 1, 2017

Enrollment Period

4.1 years

First QC Date

July 11, 2007

Last Update Submit

October 17, 2017

Conditions

Keywords

Heart failureImplanted Cardioverter DefibrillatorBiological MarkersMolecular GeneticsCoronary Heart DiseaseGene ExpressionGESCVDCHDPrecision MedicineGenome-wide association studyCardiovascular DiseaseCADGWASDISCERN

Outcome Measures

Primary Outcomes (1)

  • Gene discovery

    Genome Wide Association Study (GWAS)

    up to 3 years

Eligibility Criteria

Age18 Years - 90 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Patient's with ventricular dysfunction (low ejection fraction) undergoing implantation of ICD or CRT-D for primary prevention. Patient's may be enrolled at time of implant or during follow-up in electrophysiology clinic as long as full device records are available since time of implant.

You may qualify if:

  • Implantable cardiac defibrilIator (ICD) or cardiac resynchronization therapy defibrillator (CRT-D) implanted for primary prevention
  • Left ventricular ejection fraction (LVEF) ≤ 50 %
  • Ability to collect clinical follow-up and endpoint information, including device interrogation data

You may not qualify if:

  • Congenital heart disease
  • Known inherited arrhythmia disorder
  • Organ transplantation
  • Inability to give informed consent

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (8)

Alaska Heart Institute

Anchorage, Alaska, 99508, United States

Location

Palo Alto Medical Foundation

Palo Alto, California, 94301, United States

Location

Minneapolis Heart Institute and Foundation

Minneapolis, Minnesota, 55407, United States

Location

Duke University Medical Center

Durham, North Carolina, 27705, United States

Location

Cleveland Clinic Foundation

Cleveland, Ohio, 44195, United States

Location

West Penn Allegheny Health System

Pittsburgh, Pennsylvania, 15212, United States

Location

Vanderbilt University Medical Center

Nashville, Tennessee, 37232, United States

Location

Intermountain Healthcare

Salt Lake City, Utah, 84111, United States

Location

Related Publications (1)

  • Hranitzky PM, Sehnert AJ, Blanchard JL, et al. Abstract 16410: Identification of novel genetic markers associated with lethal ventricular arrhythmias in heart failure patients: genome wide association study in the DISCERN cohort. Circulation. 2010;122. Abstract 16410.

    RESULT

Biospecimen

Retention: SAMPLES WITH DNA

whole blood, buffy coat, spun plasma, saliva

MeSH Terms

Conditions

Arrhythmias, CardiacCardiovascular DiseasesHeart FailureCoronary Disease

Condition Hierarchy (Ancestors)

Heart DiseasesPathologic ProcessesPathological Conditions, Signs and SymptomsMyocardial IschemiaVascular Diseases

Study Officials

  • Michael Zapien, MS

    CardioDx, Inc.

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 11, 2007

First Posted

July 13, 2007

Study Start

July 1, 2007

Primary Completion

August 1, 2011

Study Completion

August 1, 2011

Last Updated

October 19, 2017

Record last verified: 2017-10

Locations