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- Title
Outcomes and Adverse Effects of Voretigene Neparvovec Treatment for Biallelic RPE65 -Mediated Inherited Retinal Dystrophies in a Cohort of Patients from a Single Center.
- Authors
Kiraly, Peter; Cottriall, Charles L.; Taylor, Laura J.; Jolly, Jasleen K.; Cehajic-Kapetanovic, Jasmina; Yusuf, Imran H.; Martinez-Fernandez de la Camara, Cristina; Shanks, Morag; Downes, Susan M.; MacLaren, Robert E.; Fischer, M. Dominik
- Abstract
Our study evaluated the morphological and functional outcomes, and the side effects, of voretigene neparvovec (VN) gene therapy for RPE65-mediated inherited retinal dystrophies (IRDs) in 12 eyes (six patients) at the Oxford Eye Hospital with a mean follow-up duration of 8.2 (range 1–12) months. All patients reported a subjective vision improvement 1 month after gene therapy. Best-corrected visual acuity (BCVA) remained stable (baseline: 1.28 (±0.71) vs. last follow-up: 1.46 (±0.60); p = 0.25). Average white Full-Field Stimulus Testing (FST) showed a trend towards improvement (baseline: −4.41 (±10.62) dB vs. last follow-up: −11.98 (±13.83) dB; p = 0.18). No changes in central retinal thickness or macular volume were observed. The side effects included mild intraocular inflammation (two eyes) and cataracts (four eyes). Retinal atrophy occurred in 10 eyes (eight mild, two severe) but did not impact FST measurements during the follow-up period. Increased intraocular pressure (IOP) was noted in three patients (six eyes); four eyes (two patients) required glaucoma surgery. The overall safety and effectiveness of VN treatment in our cohort align with previous VN clinical trials, except for the higher occurrence of retinal atrophy and increased IOP in our cohort. This suggests that raised IOP and retinal atrophy may be more common than previously reported.
- Subjects
RETINAL degeneration; DYSTROPHY; GENE therapy; EYE inflammation; VISUAL acuity; INTRAOCULAR pressure
- Publication
Biomolecules (2218-273X), 2023, Vol 13, Issue 10, p1484
- ISSN
2218-273X
- Publication type
Article
- DOI
10.3390/biom13101484