This is a multi-center natural history study that will be conducted at participating centers in the Cooperative International Neuromuscular Research Group (CINRG). Following a baseline evaluation, participants will have three follow-up visits over a three-year period. The investigators will characterize the Becker muscular dystrophy phenotype, and correlate specific abnormal dystrophin proteins with the range of clinical outcomes.
We will utilize the Cooperative International Neuromuscular Research group (CINRG) network to collect cohorts of Becker muscular dystrophy (BMD) patients with in-frame deletions in the dystrophin gene. We will collect clinical data across multiple body systems and correlate these findings to the high-resolution deletion break-point mapping performed from the tissue samples. We will investigate the observed variability to deepen our understanding of molecular mechanisms relevant to the optimization of exon skipping therapeutic approaches.
Study Type
OBSERVATIONAL
Enrollment
85
University of California Davis
Sacramento, California, United States
Children's National Health System
Washington D.C., District of Columbia, United States
Strength and function
Time frame: Annual
Quality of life
These questionnaires include: * Pediatric Quality of Life Inventory (PedsQL) * Pediatrics and Adult Neuromuscular module Quality of Life (NeuroQOL)
Time frame: Annual
Medical history assessment - ambulation status, medication history, hospitalizations, surgeries, nutrition, fractures, and cardiac tests
Time frame: Annual
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University of Florida
Gainesville, Florida, United States
Children's Healthcare of Atlanta
Atlanta, Georgia, United States
Ann & Robert H. Lurie Children's Hospital of Chicago
Chicago, Illinois, United States
University of Minnesota
Minneapolis, Minnesota, United States
Washington University
St Louis, Missouri, United States
Carolinas Medical Center
Charlotte, North Carolina, United States
Duke Children's Hospital and Health Center
Durham, North Carolina, United States
Penn State Hershey Medical Center
Hershey, Pennsylvania, United States
...and 6 more locations