Inherited Retinal Dystrophy
Conditions
Keywords
RPE65 Mutations
Brief summary
Up to nine subjects who have participated in the earlier LX101 clinical study, and who meet all study eligibility criteria, will receive LX101 administration in the previously uninjected, contralateral eye to evaluate the safety of bilateral, sequential subretinal administration of LX101.
Interventions
Subretinal administration of LX101 to the contralateral, previously uninjected eye
Sponsors
Study design
Eligibility
Inclusion criteria
Prior subretinal administration of LX101 (unilateral) ≥ 6 years old Signed written informed consent
Exclusion criteria
Prior gene therapy except LX101 Active intraocular or periocular infections Lacking of sufficient surviving retinal cells Prior ocular surgery within six months Retinoid like compounds or precursors were taken within three months Complicating systemic diseases Clinically significant abnormal baseline laboratory values Using of any retinal toxic compounds
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Safety: Incidence of adverse events (AEs) and serious adverse events (SAEs) | 6 months | Incidence of ocular and non-ocular AEs and SAEs following LX102 subretinal injection |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Full-field Light Sensitivity Threshold (FST) Test | 6 months、12 months | Changes in light sensitivity from baseline, assessed by FST in log cd.s/m2 |
| Visual Acuity | 6 months、12 months | Changes in visual acuity from baseline, based on the ability to read letters using the Early Treatment Diabetic Retionpathy Study (ETDRS) chart |
| Mobility Test | 6 months、12 months | Changes in functional vision from baseline, determined by mobility test score |
Countries
China