Aldeyra Therapeutics, Inc., a biotechnology company discovering and developing innovative therapies for the treatment of immune-mediated diseases, today announced that it has initiated a Phase 2 clinical trial of ADX-2191 (intravitreal methotrexate 0.8%), an investigational new drug product, for the treatment of retinitis pigmentosa (RP). RP is a clinical group of rare genetic eye diseases characterized by retinal cell death and loss of vision. There are no approved treatments for RP, which affects an estimated 82,000-110,000 individuals in the United States, and approximately 1 in 4,000 people worldwide.
