Abstract
Abstract Spinal muscular atrophy (SMA) is a rare neuromuscular condition, characterized by loss of motor neurons as a result of a mutation in the survival motor neuron gene. This results in muscle wasting and in the most common and severe type, death before 24 months. Over the recent years there has been a dynamic shift in the therapeutic options for these patients involving both clinical trials in genetic modifying therapies to indirectly improve the survival motor neuron protein level and hence strength, muscle promotor therapies, up/down regulation of modifier genes and more recently gene therapy to replace the mutated survival motor neuron gene. This review addresses the pathogenesis of SMA and the resultant therapeutic approaches as well as the current state in clinical trials and future development.
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