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Golodirsen is a drug used to treat certain mutations that cause Duchenne muscular dystrophy (DMD).
Golodirsen is a drug used to treat certain mutations that cause Duchenne muscular dystrophy (DMD).
The hallmark of Duchenne Muscular Dystrophy is the absence of the important muscle stabilizing protein, dystrophin, that is caused by a deletion mutation on the DMD (dystrophin) gene. This results in the production of a non-functional protein. Lack of dystrophin protein leads to progressive muscle weakness and degeneration. Golodirsen binds to exon 53 of dystrophin pre-mRNA on the DMD gene, excluding this protein coding unit during mRNA processing. The exclusion (or skipping) of exon 53 by golodirsen has the end result of changing out-of-frame mRNA to in-frame mRNA, inducing the production of dystrophin. The production of an imperfect dystrophin protein induced by golodirsen likely leads to a less severe condition, Becker Muscular Dystrophy (BMD), characterized by the production of a truncated dystrophin protein. Patients with BMD generally can expect a longer lifespan and improved quality of life.
Golodirsen is indicated to treat Duchenne muscular dystrophy (DMD) in patients with a confirmed mutation of the DMD gene that would benefit from exon 53 skipping. Continued FDA approval of this drug is contingent upon the results of clinical trials to confirm its benefit.
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