Study of Muscle Abnormalities in Patients With Specific Genetic Mutations

NCT00001871 | Completed

• 2 other identifiers: 99003699-H-0036
• Study Type: observational
• Target: 80
• Locations: 1 country
• Sites: 1

Brief Summary

Hypertrophic cardiomyopathy (HCM) is a genetically inherited disease affecting the heart. It causes thickening of heart muscle, especially the chamber responsible for pumping blood out of the heart, the left ventricle. This condition can cause patients to experience symptoms of chest pain, shortness of breath, fatigue, and heart beat palpitations. Researchers believe the disease may be caused by abnormalities in the genes responsible for producing proteins of the heart muscle. Oculopharyngeal muscular dystrophy (OPMD) is another genetically inherited disease. This condition affects the muscles of the eyes and throat causing symptoms of weak eye movements, difficulty swallowing and speaking, and weakness of the arms and legs. In previous studies researchers have found that several patients with hypertrophic cardiomyopathy (HCM) also had oculopharyngeal muscular dystrophy (OPMD). Researchers are interested in learning more about how these two diseases are associated with each other. In this study, researcher plan to collect samples of muscles (skeletal muscle biopsies) from patients belonging to families in which several members have inherited one or both of these diseases. The muscle samples will be used to link the muscle abnormalities with the specific genetic mutations. Patients participating in this study may not be directly benefited by it. However, information gathered because of this study may be used to develop better techniques for diagnosing and treating these conditions.

Conditions

Cardiomyopathy, Hypertrophic; Muscular Dystrophy, Oculopharyngeal

Keywords

Genetic Mutations; Hypertrophic Cardiomyopathy; Oculopharyngeal Muscular Dystrophy

Eligibility Criteria

• Sex: all
• Healthy Volunteers: No
• Age Groups: Child (0-17), Adult (18-64), Older Adult (65+)

Patients will be of either gender, aged 10-80 years old, in whom alpha-tropomyosin and PABP2 genotypes have been determined under protocols 87-H-0057 and 98-H-0100. No bleeding diathesis. Negative urine test for pregnancy. No skin infection at site of biopsy.

Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.

Sponsors & Collaborators

• National Heart, Lung, and Blood Institute (NHLBI): lead

Study Sites (1)

National Heart, Lung and Blood Institute (NHLBI)

Bethesda, Maryland, 20892, United States

Location

Related Publications (3)

• Wigle ED, Rakowski H, Kimball BP, Williams WG. Hypertrophic cardiomyopathy. Clinical spectrum and treatment. Circulation. 1995 Oct 1;92(7):1680-92. doi: 10.1161/01.cir.92.7.1680.

  PMID: 7671349 BACKGROUND

• Jarcho JA, McKenna W, Pare JA, Solomon SD, Holcombe RF, Dickie S, Levi T, Donis-Keller H, Seidman JG, Seidman CE. Mapping a gene for familial hypertrophic cardiomyopathy to chromosome 14q1. N Engl J Med. 1989 Nov 16;321(20):1372-8. doi: 10.1056/NEJM198911163212005.

  PMID: 2811944 BACKGROUND

• Carrier L, Hengstenberg C, Beckmann JS, Guicheney P, Dufour C, Bercovici J, Dausse E, Berebbi-Bertrand I, Wisnewsky C, Pulvenis D, et al. Mapping of a novel gene for familial hypertrophic cardiomyopathy to chromosome 11. Nat Genet. 1993 Jul;4(3):311-3. doi: 10.1038/ng0793-311.

  PMID: 8358441 BACKGROUND

MeSH Terms

Conditions

Cardiomyopathy, Hypertrophic; Muscular Dystrophy, Oculopharyngeal

Condition Hierarchy (Ancestors)

Cardiomyopathies; Heart Diseases; Cardiovascular Diseases; Aortic Stenosis, Subvalvular; Aortic Valve Stenosis; Aortic Valve Disease; Heart Valve Diseases; Muscular Dystrophies; Muscular Disorders, Atrophic; Muscular Diseases; Musculoskeletal Diseases; Neuromuscular Diseases; Nervous System Diseases; Genetic Diseases, Inborn; Congenital, Hereditary, and Neonatal Diseases and Abnormalities

Study Design

• Study Type: observational
• Sponsor Type: NIH

Study Record Dates

• First Submitted: November 3, 1999
• First Posted: December 10, 2002
• Study Start: January 1, 1999
• Study Completion: March 1, 2001
• Last Updated: March 4, 2008

Record last verified: 1999-12

Locations

US (1)