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Heart Imaging in Children With Muscular Dystrophy

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
National Institutes of Health Clinical Center (CC) ( National Heart, Lung, and Blood Institute (NHLBI) )
ClinicalTrials.gov Identifier:
NCT01633242
First received: June 30, 2012
Last updated: November 20, 2014
Last verified: November 2014
  Purpose

Background:

- Muscular dystrophy can affect the muscles used for heart function and breathing. Treatment usually involves drugs that help improve heart function. However, better types of heart imaging studies are needed to improve treatment of heart problems related to muscular dystrophy. Better heart imaging methods are especially needed for children with muscular dystrophy. Researchers want to test different heart imaging methods in children with muscular dystrophy. They will look at cardiac magnetic resonance imaging (MRI) and standard heart function tests.

Objectives:

- To develop and test new methods for imaging the heart in children with muscular dystrophy.

Eligibility:

- Children and adolescents between 8 and 17 years of age who have muscular dystrophy.

Design:

  • Participants will be screened with a physical exam and medical history.
  • Participants will provide a blood sample at the start of the study. They will also have heart function tests before having the imaging study.
  • Participants will have a cardiac MRI scan that will last up to 60 minutes. Some tests will require a MRI contrast agent (a drug that helps the image appear more clearly on the scan).

Condition
Muscular Dystrophy

Study Type: Observational
Study Design: Time Perspective: Prospective
Official Title: A Pilot Study of Cardiac Magnetic Resonance in Patients With Muscular Dystrophy

Resource links provided by NLM:


Further study details as provided by National Institutes of Health Clinical Center (CC):

Primary Outcome Measures:
  • Evaluate CMR measures in muscular dystrophy patients

Secondary Outcome Measures:
  • Early Detection
  • Measurement of Disease Progression
  • Ultimate identification of the response to developing therapies

Enrollment: 2
Study Start Date: February 2012
Detailed Description:

Cardiomyopathy causes significant morbidity and mortality in multiple forms of muscular dystrophy affecting children, including Duchenne muscular dystrophy (DMD), Becker muscular dystrophy (BMD) and subtypes of autosomal recessive limb-girdle muscular dystrophy (LGMD2). Pharmaceutical treatments for the cardiomyopathy of muscular dystrophy, including angiotensin-converting enzyme (ACE) inhibition and beta-adrenergic receptor blockade, afford significant benefit and demonstrate cardiac remodeling in clinical studies. Further studies are needed to identify and characterize more sensitive indicators of cardiac dysfunction in muscular dystrophy subjects to better stratify subjects for entry into clinical protocols. Using the framework of the Cooperative International Neuromuscular

Research Group (CINRG) and the Clinical and Translational Science Award (CTSA) consortium, this pilot study will assess cardiac outcome measures in children obtained by gadolinium enhanced cardiac Magnetic Resonance Imaging (MRI) and echocardiographic methods that can be reliably implemented across a consortium of clinical sites devoted to the study of pharmaceutical treatments for muscular dystrophy. These cardiac MRI scans will be shared with the PITT1109 research protocol in all subjects that are enrolled in both studies.

  Eligibility

Ages Eligible for Study:   8 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria
  • INCLUSION CRITERIA:
  • Male or females with a diagnosis of Duchenne, Becker, or Limb Girdle Muscular Dystrophy.
  • 8 to 100 years of age.

EXCLUSION CRITERIA:

  • Day-time users of continuous positive airway pressure (CPAP)
  • Sip ventilator users
  • Invasive ventilator dependent
  • Pregnant minors (when uncertain, participants will undergo urine

testing) or lactating minors

- Decompensated congestive heart failure (unable to lie flat during

CMR)

- Impaired renal excretory function (calculated Glomerular Filtration

Rate less than 30mL/min)

  • Contra-indications to Magnetic Resonance Imaging:
  • Cardiac pacemaker or implantable defibrillator
  • Cerebral aneurysm clip
  • Neural stimulator
  • Metallic ocular foreign body
  • Harrington-rod
  • Any implanted device (i.e. insulin pump, drug infusion device)
  • Claustrophobia
  • Metal shrapnel or bullet
  • Investigator assessment of inability to comply with protocol
  • Unable/unwilling to lie still throughout the research procedure or

who require sedation

- Persons with cognitive impairment

  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT01633242

Locations
United States, Maryland
National Institutes of Health Clinical Center, 9000 Rockville Pike
Bethesda, Maryland, United States, 20892
Sponsors and Collaborators
Investigators
Principal Investigator: Andrew E Arai, M.D. National Heart, Lung, and Blood Institute (NHLBI)
  More Information

Additional Information:
Publications:
Responsible Party: National Institutes of Health Clinical Center (CC) ( National Heart, Lung, and Blood Institute (NHLBI) )
ClinicalTrials.gov Identifier: NCT01633242     History of Changes
Other Study ID Numbers: 120090, 12-H-0090
Study First Received: June 30, 2012
Last Updated: November 20, 2014
Health Authority: United States: Federal Government

Keywords provided by National Institutes of Health Clinical Center (CC):
MRI
Muscular Dystrophy
Cardiac
Myocardium
Intramyocardial fat

Additional relevant MeSH terms:
Muscular Dystrophies
Genetic Diseases, Inborn
Muscular Diseases
Muscular Disorders, Atrophic
Musculoskeletal Diseases
Nervous System Diseases
Neuromuscular Diseases

ClinicalTrials.gov processed this record on November 20, 2014