Sarepta Therapeutics Announces Initiation of VOYAGENE, a Clinical Study of SRP-9003 for the Treatment of Limb-Girdle Muscular Dystrophy Type 2E/R4

17 Feb 2023
pipelinereview.com
Gene TherapyPhase 1Phase 3
CAMBRIDGE, MA, USA I February 17, 2023 I Sarepta Therapeutics, Inc. (NASDAQ:SRPT), the leader in precision genetic medicine for rare diseases, today announced that the first patient has been dosed in Study SRP-9003-102. Also known as VOYAGENE, Study 9003-102 is a phase 1 study of SRP-9003 (bidridistrogene xeboparvovec) for the treatment of limb-girdle muscular dystrophy Type 2E/R4 (LGMD2E). VOYAGENE is a U.S.-only study enrolling ambulant patients aged 18 years or older and non-ambulant patients, ages 4-50 years, using clinical process SRP-9003 material.
“Sarepta has previously disclosed positive expression and function data from our initial clinical study, Study SRP-9003-101, exploring multiple doses of SRP-9003 in a younger, ambulant population. The VOYAGENE study, which also utilizes clinical material, provides an opportunity to generate additional data in a broader population of patients while we finalize plans for a global, Phase 3 study using commercially representative process material that we intend to begin later this year,” said Louise Rodino-Klapac, Ph.D., executive vice president, chief scientific officer and head of research and development, Sarepta Therapeutics. “Sarepta is applying lessons from across our gene therapy portfolio to help advance the development of our investigational LGMD programs as efficiently as possible. Current treatments for LGMD are limited to symptom management and we remain fully committed to working with urgency to bring forward new treatments that can slow the progression of this disease, improve mobility and enhance the quality of life for individuals living with LGMD2E and other LGMD subtypes.”
More information on the VOYAGENE study is available at https://genesislgmd.com/study/voyagene.
SRP-9003 (bidridistrogene xeboparvovec) is an investigational gene therapy that uses the AAVrh74 vector, which is designed to be systemically and robustly delivered to skeletal, diaphragm and cardiac muscle, making it an ideal candidate to treat peripheral neuromuscular diseases. SRP-9003 also uses the MHCK7 promoter, chosen for its ability to robustly express in the heart, which is critically important for patients with limb-girdle muscular dystrophy Type 2E (LGMD2E), also known as beta-sarcoglycanopathy and LGMDR4, many of whom die from pulmonary or cardiac complications.
Limb-girdle muscular dystrophies are genetic diseases that cause progressive, debilitating weakness and wasting that begins in muscles around the hips and shoulders before progressing to muscles in the arms and legs. Sarepta’s six LGMD gene therapy programs in development include LGMD2E/R4, LGMD2D/R3, LGMD2C/R5, LGMD2B/R2, LGMD2L/R12 and LGMD2A/R1, which together represent more than 70 percent of known LGMD cases.
Patients with LGMD2E begin showing neuromuscular symptoms such as difficulty running, jumping and climbing stairs before age 10. The disease, which is an autosomal recessive subtype of LGMD, progresses to loss of ambulation in the teen years and often leads to early mortality. There is currently no treatment or cure for LGMD2E.
Sarepta is on an urgent mission: engineer precision genetic medicine for rare diseases that devastate lives and cut futures short. We hold leadership positions in Duchenne muscular dystrophy (DMD) and limb-girdle muscular dystrophies (LGMDs), and we currently have more than 40 programs in various stages of development. Our vast pipeline is driven by our multi-platform Precision Genetic Medicine Engine in gene therapy, RNA and gene editing. For more information, please visit www.sarepta.comor follow us on Twitter, LinkedIn, Instagram and Facebook.
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