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Aldeyra Therapeutics Receives Orphan Drug Designation from the U.S. Food and Drug Administration for ADX-2191 to Treat Retinitis Pigmentosa
LEXINGTON, Mass.--(BUSINESS WIRE)--Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra) today announced that the U.S. Food and Drug Administration (FDA) has granted orphan drug designation for ADX-2191 (methotrexate for intravitreal injection) for the treatment of retinitis pigmentosa (RP). There are no approved drug treatments for patients with RP, a clinical group of rare genetic eye diseases characterized by retinal cell death and loss of vision. The disease affects an estimated 82,000-110,00