ROCKVILLE, Md., Nov. 05, 2020 (GLOBE NEWSWIRE) -- Rexahn Pharmaceuticals, Inc. (NASDAQ:REXN) ("Rexahn") announced today that the merger transaction between Rexahn and Ocuphire Pharma, Inc. is expected to be effective shortly after 4:00 pm (EST) today, Thursday, November 5, 2020.