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- Title
Short-Term Outcomes of the First in Vivo Gene Therapy for RPE65-Mediated Retinitis Pigmentosa.
- Authors
Jay Jiyong Kwak; Hae Rang Kim; Suk Ho Byeon
- Abstract
Here, we report early treatment outcomes of gene therapy for early onset retinitis pigmentosa (RP) (Leber congenital amaurosis) associated with biallelic RPE65 mutation in a 30-year-old female patient. Initially, her visual acuity (VA) was 20/200, and her visual field (VF) was severely constricted to the center in the left eye. Her electroretinography showed nearly extinct signals. Full-field stimulus threshold test (FST) revealed diminished dark-adapted light sensitivity. Voretigene neparvovec-rzyl (VN) is the first in vivo viral gene therapy agent to be approved. At 3 months after subretinal injection of VN in the left eye, VA, VF, and FST showed sustained improvement. She did not exhibit any signs of adverse effects from the treatment. Gene therapy for RP proved to be an effective and safe treatment in an advanced case of RPE65-associatied early onset RP.
- Subjects
GENE therapy; RETINITIS pigmentosa; VIRAL genes; VISUAL acuity; VISUAL fields
- Publication
Yonsei Medical Journal, 2022, Vol 63, Issue 7, p701
- ISSN
0513-5796
- Publication type
Article
- DOI
10.3349/ymj.2022.63.7.701