Combined Therapies for Duchenne Muscular Dystrophy to Optimize Treatment Efficacy

Cordova G, Negroni E, Cabello-Verrugio C, Mouly V, Trollet C. Combined Therapies for Duchenne Muscular Dystrophy to Optimize Treatment Efficacy. Frontiers in genetics 2018;9:114.

Cordova_2018_Front Genet. Apr 10;9;114

Currently new DMD therapies, like gene and cell therapy, are currently investigated. They are, however, often limited by the fact that dystrophic muscle tissue gets replaced by fibrotic tissue. Therefore combined therapies (i.e. a combination of a gene/cell-based therapy to correct the genetic defect and a pharmacological therapy to improve the muscle quality) may be an option to improve the results. In this short review tested combined therapies and their results are discussed.



Duchene Muscular Dystrophy (DMD) is the most frequent muscular dystrophy and one of the most severe due to the absence of the dystrophin protein. Typical pathological features include muscle weakness, muscle wasting, degeneration, and inflammation. At advanced stages DMD muscles present exacerbated extracellular matrix and fat accumulation. Recent progress in therapeutic approaches has allowed new strategies to be investigated, including pharmacological, gene-based and cell-based therapies. Gene and cell-based therapies are still limited by poor targeting and low efficiency in fibrotic dystrophic muscle, therefore it is increasingly evident that future treatments will have to include “combined therapies” to reach maximal efficiency. The scope of this mini-review is to provide an overview of the current literature on such combined therapies for DMD. By “combined therapies” we mean those that include both a therapy to correct the genetic defect and an additional one to address one of the secondary pathological features of the disease. In this mini-review, we will not provide a comprehensive view of the literature on therapies for DMD, since many such reviews already exist, but we will focus on the characteristics, efficiency, and potential of such combined therapeutic strategies that have been described so far for DMD.

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