Muscular Dystrophies

MDA Webinar Discusses Spinal Bracing and Surgery in Children

A one-hour, MDA-sponsored webinar features two physicians and the parent of a child with spinal muscular atrophy (SMA) who has undergone bracing and surgery for a spinal curvature, as well as questions and answers from listeners.

Muscle Physiology — Masahiro Iwamoto, Ph.D., D.D.S.

Masahiro Iwamoto, research scientist at the Children’s Hospital of Philadelphia and associate professor of pediatric orthopedics at the University of Pennsylvania School of Medicine, was awarded an MDA research grant totaling $405,000 over a period of three years to study new ways to reduce muscle degeneration.

MDA Establishes Myotonic Dystrophy Clinical Research Network

MDA has launched a new, five-center clinical research network focused on type 1 and type 2myotonic muscular dystrophy (MMD1 and MMD2, also known as DM1 and DM2), with the principal goal of preparing for testing of new MMD treatments as they become available.

DMD: Dystrophin-Deficient Dogs Benefit from Gene Therapy

For the first time, gene therapy using a highly miniaturized dystrophin gene resulted in significant improvement in muscle structure and function in dogs with a disorder mimicking human Duchenne muscular dystrophy.

DMD, BMD: Nationwide Children's Podcast Explores Dystrophin's Interactions

In a December 2012 podcast from Nationwide Children's Hospital, cell biologist Federica Montanaro discusses her team's recent progress in understanding how various proteins interact with dystrophin and how these interactions differ in the heart versus the skeletal muscles.

MD Briefs: Gene Therapy, Exon Skipping, Stem Cells

Update (Jan. 23, 2013):The "Building better utrophin" section was updated to reflect the availability of a Jan. 22, 2013, press release from the University of Missouri.

Below is a wrap-up of recent research news about the development of therapies for Duchenne, Becker and limb-girdle muscular dystrophies.

DMD: Eteplirsen Results Still Strong at 62 Weeks

Eteplirsen, an exon-skipping drug in development by Sarepta Therapeutics to treat Duchenne muscular dystrophy (DMD) caused by specific mutations in the dystrophin gene, continues to show benefit at 62 weeks with respect to the distance walked in six minutes.

What’s Next for Eteplirsen? Sarepta Discusses FDA Approval and Future Trials

In both October and December 2012, Sarepta Therapeutics announced very encouraging results from a 12-person phase 2b trial of eteplirsen, an exon-skipping compound that is a potential treatment for Duchenne muscular dystrophy.

Eteplirsen targets exon 51 of the dystrophin gene and is designed to treat DMD caused by specific dystrophin mutations.

MDA Building ‘Transitional Freedom’ Partnerships

Like many high school seniors, Drew is busy choosing a college and preparing for the big transition from life at home to life on a college campus. Unlike his peers, Drew has Duchenne muscular dystrophy.

European Agency to Consider Conditional Approval of Ataluren for DMD

Update (Dec. 6, 2012): This story has been updated with additional information about next steps for ataluren.

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