BETHESDA, Md.--(BUSINESS WIRE)--REGENERX BIOPHARMACEUTICALS, INC. (AMEX:RGN) announced today that its ophthalmic drug candidate, RGN-259, was used to treat four neurotrophic keratitis patients with non-healing eye ulcers caused primarily by the herpes zoster virus under a “Compassionate Use” IND (Investigational New Drug application). RGN-259 is a sterile eye drop formulation of Tß4 being developed by RegeneRx for use in treating ophthalmic wounds and related disorders.
