Ventricular Tachyarrhythmia (VT) Storm, Gene Expression in Implantable Cardioverter Defibrillator (ICD) Patients With Electrical Storm

This study is currently recruiting participants.
Verified November 2012 by University of Pittsburgh
Sponsor:
Information provided by (Responsible Party):
Sandeep Jain, University of Pittsburgh
ClinicalTrials.gov Identifier:
NCT00284453
First received: January 27, 2006
Last updated: November 7, 2012
Last verified: November 2012

January 27, 2006
November 7, 2012
October 2005
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Complete list of historical versions of study NCT00284453 on ClinicalTrials.gov Archive Site
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Ventricular Tachyarrhythmia (VT) Storm, Gene Expression in Implantable Cardioverter Defibrillator (ICD) Patients With Electrical Storm
Gene Expression in ICD Patients With Electrical Storm

The purpose of the proposed pilot study is to identify factors which are associated with periods of high ventricular arrhythmia burden. This will be performed by analysis of gene expression from peripheral blood samples.

This is a study of patients with ICD implants who present with multiple(>2), low-level(1-2) or inappropriate therapies to their defibrillator. The purpose of this pilot study is to identify factors which are associated with periods of high ventricular arrhythmia burden by looking at gene expression from peripheral blood, in addition to levels of known markers of CHF, including catecholamine levels, B-type natriuretic peptide, and troponin. This study hypothesizes that extrinsic or systemic factors play a role in triggering these events, and if true should yield candidate proteins which would spawn functional studies to prove a role in causation. Additionally, identification of a marker of increased recurrence of events may aid in guiding therapy (starting an anti-arrhythmic versus awaiting the next event).

Observational
Observational Model: Cohort
Time Perspective: Prospective
Not Provided
Retention:   Samples With DNA
Description:

6 RNA samples are obtained and kept frozen on-site to be evalauted at a later date. A portion of this DNA will be used to analyze the structure of certain genes that are known to play a role in cardiac arrhythmias. We cannot at this time know exatly what genes will be tested.

Probability Sample

Thirty men and women over age 18 with electrical strom that we hope will volunteer to participate in this genetic research study

Arrhythmias
Procedure: Peripheral blood sampling
blood samples will be collected within 72 hours of subjects receiving >2, 1-2(low level) or inappropriate therapies, device data and repeat bloodwork in 3 months(+/- 4weeks).
  • 1
    Forty(40)subjects that have received >2 appropriate ICD shock therapies
    Intervention: Procedure: Peripheral blood sampling
  • 2
    Twenty(20)subjects that have received 1-2(low level)appropriate ICD therapies
    Intervention: Procedure: Peripheral blood sampling
  • 3
    Ten(10)subjects that received inappropriate therapies from their ICD
    Intervention: Procedure: Peripheral blood sampling
Not Provided

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruiting
75
October 2014
Not Provided

Inclusion Criteria:

  • ICD patients at least 18 years of age that present within a 72 hour period: 1) > 2 therapies for ventricular arrhythmias; 2) 1-2 therapies for ventricular arrhythmias; 3) inappropriate therapies for ventricular arrhythmias
  • Able to give informed consent

Exclusion Criteria:

  • Inability to give informed consent
Both
18 Years and older
No
Contact: Sandeep K. Jain, M.D. 412-647-6272 jainsk@upmc.edu
Contact: Kimberly A Veltre, MSN 412-864-1420 veltrek@upmc.edu
United States
 
NCT00284453
0510087
No
Sandeep Jain, University of Pittsburgh
University of Pittsburgh
Not Provided
Principal Investigator: Sandeep K. Jain, M.D. University of Pittsburgh
University of Pittsburgh
November 2012

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP