Author: ["Artur V. Cideciyan","Samuel G. Jacobson","Allen C. Ho","Alexandra V. Garafalo","Alejandro J. Roman","Alexander Sumaroka","Arun K. Krishnan","Malgorzata Swider","Michael R. Schwartz","Aniz Girach"]
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Abstract
Leber congenital amaurosis due to CEP290 ciliopathy is being explored by treatment with the antisense oligonucleotide (AON) sepofarsen. One patient who was part of a larger cohort (ClinicalTrials.gov NCT03140969 ) was studied for 15 months after a single intravitreal sepofarsen injection. Concordant measures of visual function and retinal structure reached a substantial efficacy peak near 3 months after injection. At 15 months, there was sustained efficacy, even though there was evidence of reduction from peak response. Efficacy kinetics can be explained by the balance of AON-driven new CEP290 protein synthesis and a slow natural rate of CEP290 protein degradation in human foveal cone photoreceptors. Post hoc analyses and follow-up of a patient with Leber congenital amaurosis treated with the antisense oligonucleotide sepofarsen as part of a clinical trial indicates sustained improvement of vision 15 months after receiving a single dose of the drug.Cite this article
Cideciyan, A.V., Jacobson, S.G., Ho, A.C. et al. Durable vision improvement after a single treatment with antisense oligonucleotide sepofarsen: a case report. Nat Med (2021). https://doi.org/10.1038/s41591-021-01297-7 