Gene therapies such as Novartis’ spinal muscular atrophy treatment Zolgensma deliver a surrogate copy of a gene to replace a dysfunctional one in the body. The CRISPR gene editing tool could offer an alternative strategy—one that could allow for a mutated gene to be fixed on site.
Source: https://www.fiercebiotech.com/research/how-genetic-copycatcher-could-open-door-to-crispr-based-precision-gene-therapy