Subject terms
retinal degeneration, Diabetic Retinopathy, Choroideremia, choroideremia, vision loss
CHOROIDEREMIA, CHOROIDEREMIA, RETINAL DEGENERATION, DIABETIC RETINOPATHY
Choroideremia is a rare, X-linked retinal degeneration resulting in progressive vision loss. A randomized, masked, phase 3 clinical trial evaluated the safety and efficacy over 12 months of follow-up in adult males with choroideremia randomized to receive a high-dose (1.0 × 10In the phase 3 STAR trial, subretinal administration of the AAV2-based gene therapy timrepigene emparvovec in patients with choroideremia did not lead to a significant difference in the primary endpoint of 15-letter Early Treatment Diabetic Retinopathy Study (ETDRS) improvement in visual acuity from baseline compared to untreated controls.