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Weekend Steroids and Exercise as Therapy for DMD

2020-03-31 04:03:55 | BioPortfolio

Summary

The study team will determine the potential of low dose weekend prednisone and whether exercise training can synergize to delay disease progression and improve muscle strength/physical function in boys with Duchenne muscular dystrophy (DMD). Current standard of care (daily prednisone) is associated with adverse side effects. Evidence from DMD mouse models suggest that weekend dosing provides same efficacy without side effects. Appropriate exercise may also benefit but this area has not been adequately explored.

Study Design

Conditions

Duchenne Muscular Dystrophy (DMD)

Intervention

Prednisone, In-home Exercise Training

Status

Not yet recruiting

Source

University of Florida

Results (where available)

View Results

Links

Published on BioPortfolio: 2020-03-31T04:03:55-0400

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Phase III Randomized, Double-Blind Study of Prednisone for Duchenne Muscular Dystrophy

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Regular Physical Exercise in Duchenne Muscular Dystrophy

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PubMed Articles [6676 Associated PubMed Articles listed on BioPortfolio]

The Effect of Inspiratory Muscle Training on Duchenne Muscular Dystrophy: A Meta-analysis.

This study reports the respiratory muscle training effect on strength and endurance in individuals with Duchenne muscular dystrophy.

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Medical and Biotech [MESH] Definitions

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 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)

MUSCULAR DYSTROPHY that occurs in VERTEBRATE animals.

A heterogenous group of inherited muscular dystrophy without the involvement of nervous system. The disease is characterized by MUSCULAR ATROPHY; MUSCLE WEAKNESS; CONTRACTURE of the elbows; ACHILLES TENDON; and posterior cervical muscles; with or without cardiac features. There are several INHERITANCE PATTERNS including X-linked (X CHROMOSOME), autosomal dominant, and autosomal recessive gene mutations.

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