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This phase I randomized double blind dose escalation study investigates the safety and efficacy of the mini-dystrophin gene transferred to the biceps muscle for Duchenne muscular dystrophy patients, ages 5 to 12 years of age, using a recombinant adeno-associated virus. Eligible participants must have a known dystrophin gene mutation and may be concurrently treated with corticoid steroids. The mini-dystrophin gene or a placebo agent (normal saline or empty viral capsids) are injected directly into both biceps muscles while under conscious sedation. Following the gene transfer, patients are admitted to the hospital for 48 hours of observation followed by weekly outpatient visits at the Columbus Children's Hospital Neuromuscular Clinic. A bilateral muscle biopsy is preformed following 6 weeks with long term follow up will consisting of bi-annual visits for the next 2 years.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Double-Blind, Primary Purpose: Treatment
Duchenne Muscular Dystrophy
rAAV vector expressing Mini-Dystrophin with CMV promoter
Columbus Children's Hospital
Active, not recruiting
Nationwide Children's Hospital
Published on BioPortfolio: 2014-08-27T03:40:25-0400
The proposed phase I clinical trial is a pilot study to evaluate safety and biological activity of the rAAVrh74.MCK.micro-Dystrophin vector administered by an intramuscular route. This st...
Duchenne muscular dystrophy (DMD), a fatal muscle degenerative disorder, arises from mutations in the dystrophin gene. Antisense therapy with the use of antisense oligonucleotides (AON) ha...
The purpose of this study is to see whether PRO044 is safe and effective to use as medication for DMD patients with a mutation around location 44 in the DNA for the dystrophin protein.
Duchenne/Becker muscular dystrophy (DMD/BMD) is a genetic disorder that develops in boys. It is caused by a mutation in the gene for dystrophin, a protein that is important for maintaining...
To evaluate the safety, toxicity and immunological effects of adjuvant administration of an experimental therapy consisting on priming with three intramuscular administrations of a plasmid...
Absence of the protein dystrophin causes Duchenne muscular dystrophy. Dystrophin directly binds to microtubules in vitro, and its absence in vivo correlates with disorganization of the subsarcolemmal ...
Gene replacement therapies utilizing adeno-associated viral (AAV) vectors hold great promise for treating Duchenne muscular dystrophy (DMD). A related approach uses AAV vectors to edit specific region...
Duchenne muscular dystrophy (DMD) is a genetic, neuromuscular disease that primarily affects young males. Patients with DMD are unable to produce dystrophin, a crucial protein found in myocytes, leadi...
Introduction Duchenne and Becker muscular dystrophies (DMD and BMD) are X-linked myopathies caused by mutations of the dystrophin gene. Methods Multiplex ligation-dependent probe amplification (MLPA) ...
Duchenne muscular dystrophy is caused by mutations in the DYSTROPHIN gene. Although primarily associated with muscle wasting, a significant portion of patients (approximately 25%) are also diagnosed w...
A muscle protein localized in surface membranes which is the product of the Duchenne/Becker muscular dystrophy gene. Individuals with Duchenne muscular dystrophy usually lack dystrophin completely while those with Becker muscular dystrophy have dystrophin of an altered size. It shares features with other cytoskeletal proteins such as SPECTRIN and alpha-actinin but the precise function of dystrophin is not clear. One possible role might be to preserve the integrity and alignment of the plasma membrane to the myofibrils during muscle contraction and relaxation. MW 400 kDa.
A group of proteins that associate with DYSTROPHIN at the CELL MEMBRANE to form the DYSTROPHIN-ASSOCIATED PROTEIN COMPLEX.
A macromolecular complex of proteins that includes DYSTROPHIN and DYSTROPHIN-ASSOCIATED PROTEINS. It plays a structural role in the linking the CYTOSKELETON to the EXTRACELLULAR MATRIX.
A strain of mice arising from a spontaneous MUTATION (mdx) in inbred C57BL mice. This mutation is X chromosome-linked and produces viable homozygous animals that lack the muscle protein DYSTROPHIN, have high serum levels of muscle ENZYMES, and possess histological lesions similar to human MUSCULAR DYSTROPHY. The histological features, linkage, and map position of mdx make these mice a worthy animal model of DUCHENNE MUSCULAR DYSTROPHY.
An X-linked recessive muscle disease caused by an inability to synthesize DYSTROPHIN, which is involved with maintaining the integrity of the sarcolemma. Muscle fibers undergo a process that features degeneration and regeneration. Clinical manifestations include proximal weakness in the first few years of life, pseudohypertrophy, cardiomyopathy (see MYOCARDIAL DISEASES), and an increased incidence of impaired mentation. Becker muscular dystrophy is a closely related condition featuring a later onset of disease (usually adolescence) and a slowly progressive course. (Adams et al., Principles of Neurology, 6th ed, p1415)
Bioinformatics is the application of computer software and hardware to the management of biological data to create useful information. Computers are used to gather, store, analyze and integrate biological and genetic information which can then be applied...
Arthritis Fibromyalgia Gout Lupus Rheumatic Rheumatology is the medical specialty concerned with the diagnosis and management of disease involving joints, tendons, muscles, ligaments and associated structures (Oxford Medical Diction...
Muscular dystrophy is a group of degenerative inherited disorders causing muscle weakness and loss of muscle tissue. The different types are Becker muscular dystrophy, Duchenne muscular dystrophy, Emery-Dreifuss muscular dystrophy, Facioscapulohumeral mu...