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completed

Clinical and Molecular Manifestations of Heritable Disorders of Connective Tissue

key information

study id #: NCT00270686

condition: Ehlers-Danlos Syndrome, Stickler Syndrome, Marfan Syndrome

status: completed

purpose:

Background:

– Heritable disorders of connective tissue are genetic conditions that can affect the skin and other parts of the body. They are related to mutations in genes that are responsible for building tissues. The symptoms differ among disorders. Researchers want to study which genes may be responsible for different disorders. They will be performing a long-term (up to 10 years) study and a study that requires a single visit. These studies will look at how these disorders affect the body and what genes may cause these conditions.

Objectives:

– To perform one-time and long-term studies of people who have heritable disorders of connective tissue.

Eligibility:

– Individuals at least 2 years of age who have or may have a heritable disorder of connective tissue.

Design:

  • Participants will be screened with a physical exam, medical history, and blood samples.
  • Participants will be on one of two parts of this study. The longitudinal arm will require long-term study over about 10 years. The mutational analysis arm will involve a single visit.
  • Longitudinal arm participants must be at least 12 years of age. They will have study visits at regular intervals for up to 10 years. The tests given at these visits may include all or some of the following:
  • Blood, saliva, urine, and skin samples
  • Heart and lung function tests
  • Magnetic resonance imaging scans of the neck, chest, spine, and abdomen
  • Other imaging studies such as x-rays, bone density scans, and ultrasounds
  • Questionnaires about sleep, pain, and quality of life
  • Photographs of affected areas.
  • Mutational analysis arm participants will have a single study visit. They will provide blood and saliva samples. They will provide tissue from a skin biopsy. They will also let the researchers take photos of any affected body parts. They will complete questionnaires about sleep, pain, and quality of life.