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CompletedNCT00123071VVVUpdated Jan 25, 2013

Variability of Ventricular Mass, Volume, & Ejection Fraction in Pediatric Cardiomyopathy Patients-Pediatric Heart Network

An observational study in Cardiomyopathy, Dilated, sponsored by Carelon Research. Completed at 8 sites in 2 countries. Open to participants aged Up to 22 Years. Per ClinicalTrials.gov, last updated 2013-01-25.

Sponsored by Carelon Research · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
131
Ages
Up to 22 Years
Sex
All
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Study summary

This observational study will provide data (variations in ventricular size and function) that are essential to designing and conducting clinical trials. In addition, the study will evaluate intra- and inter-study variability seen in echocardiography.

Read the detailed description

BACKGROUND:

Cardiomyopathy is an important cause of chronic disability and death in pediatric patients and currently accounts for approximately 50% of cardiac transplants performed during childhood. Left ventricular (LV) size and function are important independent predictors of outcome, and echocardiography is the primary way to assess ventricular function in children. Although there is extensive experience with this technology, data are limited on how ventricular function changes over time in children, which is a major impediment to conducting controlled trials of therapy in children.

This study has been approved by the Institutional Review Boards/Research Ethics Boards of all participating clinical centers:

Hospital for Sick Children, Toronto, Canada

Children's Hospital Boston, Boston, MA

Columbia College of Physicians and Surgeons, New York, NY

Children's Hospital of Philadelphia, Philadelphia, PA

Duke University Medical Center, Durham, NC

Brody School of Medicine at East Carolina University, Greenville, NC

Wake Forest Baptist Medical Center, Winston Salem, NC

Medical University of South Carolina, Charleston, SC

Primary Children's Medical Center, Salt Lake City, UT

Washington University, St. Louis, MO

DESIGN NARRATIVE:

This observational study will prospectively evaluate pediatric patients with dilated cardiomyopathy who are undergoing clinically indicated echocardiographic evaluation of LV function. Patients who undergo at least two echocardiograms 3 to 18 months apart will have their studies performed by the same ultrasonographer. All studies will be sent to the core laboratory for evaluation of variability in LV mass, volume, and ejection fraction.

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Conditions studied

  • Cardiomyopathy, Dilated
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In context

Cardiomyopathies

1,176 studies on the registry are indexed under Cardiomyopathies; 287 are open to participants now.

This study's enrollment of 131 is below the median of 153 across 515 observational studies indexed under Cardiomyopathies.

Browse Cardiomyopathies studies →

Lead sponsor

Carelon Research is the lead sponsor of 55 studies on the registry; 4 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
Up to 22 Years
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Patients up to 22 years of age with dilated cardiomyopathy followed at participating clinical centers or newly diagnosed during the recruitment period

Inclusion criteria

  • Less than 22 years of age
  • Any race
  • Diagnosis of dilated cardiomyopathy
  • LV and diastolic diameter greater than 5.5 cm (or z-score for BSA greater than 2) on the primary image acquisition from the first study echocardiogram
  • LV ejection fraction less than 50% (or z-score for age less than -2) or shortening fraction less than 28% (or z-score for age less than -2) as measured on the primary image acquisition from the first study echocardiogram
  • Disease onset greater than 2 months prior to screening
  • Anticipated to undergo repeat evaluation at the same institution at least 3 months but not more than 13 months later
  • Informed consent of parent(s) or legal guardian and assent of subject if required

Exclusion criteria

Exclusion Criteria:

  • Hypertrophic cardiomyopathy
  • Restrictive cardiomyopathy
  • Myocardial noncompaction (LV hypertrabeculation); patient is eligible for the study as long as the echocardiogram performed at the time of screening has no evidence of myocardial noncompaction
  • Ventricular paced rhythm
  • Atrial or ventricular ectopy at ratio greater than 1:4
  • Suspected acute myocarditis
  • Tachycardia-induced cardiomyopathy
  • Congenital heart disease (repaired or unrepaired)
  • Currently on intravenous inotropic support
  • Current left ventricular assist device (LVAD) or extracorporeal membrane oxygenation (ECMO)
  • Heart transplant waiting list status of 1A or 1B
  • Co-morbid condition that precludes the ability to successfully obtain an echocardiogram according to the specifications of the study protocol
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Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
131 participants (actual)
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What researchers measure

Primary outcomes

  1. Inter-study variability of echo measurements; variance at a single point in time and variance of change in measurements over time

    Time frame: Measured for up to 18 months

Secondary outcomes

  1. Relative magnitude of the various sources of variability in echocardiographic outcomes in order to optimize operational procedures that can minimize variance

    Time frame: Measured for up to 18 months

  2. Interstudy variability of echocardiographically-derived indices of LV systolic and diastolic function derived from m-mode, spectral Doppler, and tissue Doppler techniques used in pediatric patients with dilated cardiomyopathy

    Time frame: Measured for up to 18 months

  3. Relationship of clinical status, including treatment, to the interstudy variability and repeatability of echocardiographic measurements.

    Time frame: Measured for up to 18 months

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Study locations

8 sites
  • Children's Hospital Boston
    Boston, Massachusetts 02115, United States
  • Washington University
    St. Louis, Missouri 63110, United States
  • Columbia College of Physicians and Surgeons
    New York, New York 10032, United States
  • Duke University Medical Center
    Durham, North Carolina 27710, United States
  • Children's Hospital of Philadelphia
    Philadelphia, Pennsylvania 19104, United States
  • Medical University of South Carolina
    Charleston, South Carolina 29425, United States
  • Primary Children's Hospital
    Salt Lake City, Utah 84132, United States
  • Hospital for Sick Children
    Toronto, Ontario M5G 1X8, Canada
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References and documents

Publications

  • Selamet Tierney ES, Hollenbeck-Pringle D, Lee CK, Altmann K, Dunbar-Masterson C, Golding F, Lu M, Miller SG, Molina K, Natarajan S, Taylor CL, Trachtenberg F, Colan SD; Pediatric Heart Network Investigators. Reproducibility of Left Ventricular Dimension Versus Area Versus Volume Measurements in Pediatric Patients With Dilated Cardiomyopathy. Circ Cardiovasc Imaging. 2017 Nov;10(11):e006007. doi: 10.1161/CIRCIMAGING.116.006007. PubMed 29133477 ↗
  • Lee CK, Margossian R, Sleeper LA, Canter CE, Chen S, Tani LY, Shirali G, Szwast A, Tierney ES, Campbell MJ, Golding F, Wang Y, Altmann K, Colan SD; Pediatric Heart Network Investigators. Variability of M-mode versus two-dimensional echocardiography measurements in children with dilated cardiomyopathy. Pediatr Cardiol. 2014 Apr;35(4):658-67. doi: 10.1007/s00246-013-0835-9. Epub 2013 Nov 22. PubMed 24265000 ↗
  • Molina KM, Shrader P, Colan SD, Mital S, Margossian R, Sleeper LA, Shirali G, Barker P, Canter CE, Altmann K, Radojewski E, Tierney ES, Rychik J, Tani LY; Pediatric Heart Network Investigators. Predictors of disease progression in pediatric dilated cardiomyopathy. Circ Heart Fail. 2013 Nov;6(6):1214-22. doi: 10.1161/CIRCHEARTFAILURE.113.000125. Epub 2013 Oct 16. PubMed 24132734 ↗
  • Colan SD, Shirali G, Margossian R, Gallagher D, Altmann K, Canter C, Chen S, Golding F, Radojewski E, Camitta M, Carboni M, Rychik J, Stylianou M, Tani LY, Selamet Tierney ES, Wang Y, Sleeper LA; Pediatric Heart Network Investigators. The ventricular volume variability study of the Pediatric Heart Network: study design and impact of beat averaging and variable type on the reproducibility of echocardiographic measurements in children with chronic dilated cardiomyopathy. J Am Soc Echocardiogr. 2012 Aug;25(8):842-854.e6. doi: 10.1016/j.echo.2012.05.004. Epub 2012 Jun 5. PubMed 22677278 ↗
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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 25, 2013, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT00123071
Lead sponsor
Carelon Research
Collaborators
National Heart, Lung, and Blood Institute (NHLBI), Pediatric Heart Network
Responsible party
Sponsor
First posted
Jul 22, 2005
Start date
May 2005
Primary completion
Oct 2008
Completion
Jun 2009
Last update
Jan 25, 2013

Study contacts

Lynn Sleeper, ScD
principal investigator · Carelon Research

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jan 2013. You cannot join it, but the record below documents what was studied.

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