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This study evaluates the safety of RTx-021, a treatment given as a single injection into the eye (intravitreal), in patients with Stargardt disease. Patients aged 16 and older with a genetically confirmed diagnosis of Stargardt disease who meet the study's vision criteria can take part. The study is being conducted in Phase 1/Phase 2 and is currently recruiting participants.
The summary above is a plain-language rendering of the official record. The original English title is shown for reference.
Criteria are reproduced from the ClinicalTrials.gov record in the original English. Only the trial team can determine eligibility.
Inclusion Criteria: * Male and female patients \>= 16 years of age * Able to comply with the study visit schedule and all protocol assessments * Diagnosis of Stargardt Disease (genetic testing required) * Study eye and fellow eye Best Corrected Visual Acuity meeting study criteria * Presence of retinal ganglion cells and/or retinal nerve fiber layer on Spectral Domain Optical Coherence Tomography testing at Screening confirmed by central image reading center * Adequate organ function and general good health Exclusion Criteria: * Participation in a clinical study (ocular or non-ocular) with an investigational drug, agent, or therapy in the past six months * Concurrent participation in another interventional clinical ocular study * Prior receipt of any gene therapy (ocular or other), retinal implant, or ocular cell therapy * Pre-existing eye conditions in either eye that would preclude the planned treatment or are significant enough to interfere with the interpretation of study endpoints or procedural complications * Known steroid responders if their intraocular pressure was not able to be managed effectively with topical pressure-lowering medications after prior use of steroid medications * Complicating systemic diseases including those in which the disease itself, or the treatment of the disease, can alter ocular and/or central nervous system function (e.g. radiation treatment of the orbit; leukemia with optic nerve involvement) * Any immunological response dysfunction including, immuno-compromising diseases or use of immunosuppressive medications, among others * Cataract or other ocular (including refractive) surgery, intraocular and/or peri-ocular injection in either eye within the prior four months (i.e. 120 days) prior to screening * Prior vitrectomy or aphakia in the study eye * Known sensitivity to any component of the study treatment or contraindication to medications planned for use in the peri-procedural period (e.g. povidone-iodine to prep for intravitreal injection) * Known contraindication to prophylactic steroid regimen * Current pregnancy or breastfeeding * Any other condition that would not allow the patient to complete follow-up examinations during the study