Rexahn Pharmaceuticals Expands its Intellectual Property Around Class of Potent Anti-cancer Isoquinolinamine Compounds

Rexahn Pharmaceuticals Expands its Intellectual Property Around Class of Potent Anti-cancer Isoquinolinamine Compounds

Base Pair GroupConstantine Theodoropulos617-816-4637

Rexahn Pharmaceuticals, Inc. (NYSE Amex: RNN), a clinical stage pharmaceutical company commercializing potential best in class oncology and CNS therapeutics, today announced that it has significantly expanded its intellectual property (IP) around isoquinolinamine, a class of potent anti-cancer compounds. Rexahn has been issued a continuation patent US 8,314,123for US 8,034,829 to cover more new isoquinolinamine compounds and their pharmaceutical composition and method for producing an anti-tumor effect.

“Our pre-clinical R&D efforts continually demonstrate that isoquinolinamine compounds provide potent anti-tumor activities in several human cancer cell lines, such as breast, prostate, colon, ovary, kidney, pancreas, glioblastoma and melanoma. With this most recent patent, Rexahn is strongly positioned to develop this emerging class of exciting oncology compounds into novel drugs,” said Rick Soni, President of Rexahn.

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Rexahn Pharmaceuticals, Inc. is a clinical stage pharmaceutical company dedicated to developing and commercializing first in class and market leading therapeutics for cancer, CNS disorders, sexual dysfunction and other unmet medical needs. Rexahn currently has three drug candidates in Phase II clinical trials, Archexin®, Serdaxin®, and Zoraxel™ – all potential best in class therapeutics – and a robust pipeline of preclinical compounds to treat multiple cancers and CNS disorders. Rexahn also operates key R&D programs of nano-medicines, 3D-GOLD, and TIMES drug discovery platforms. For more information about Rexahn, please visit .

To the extent any statements made in this press release deal with information that is not historical, these are forward-looking statements under the Private Securities Litigation Reform Act of 1995. Such statements include, but are not limited to, statements about Rexahn’s plans, objectives, expectations and intentions with respect to future operations and products and other statements identified by words such as “will,” “potential,” “could,” “can,” “believe,” “intends,” “continue,” “plans,” “expects,” “anticipates,” “estimates,” “may,” other words of similar meaning or the use of future dates. Forward-looking statements by their nature address matters that are, to different degrees, uncertain. Uncertainties and risks may cause Rexahn’s actual results to be materially different than those expressed in or implied by Rexahn’s forward-looking statements. For Rexahn, particular uncertainties and risks include, among others, the difficulty of developing pharmaceutical products, obtaining regulatory and other approvals and achieving market acceptance; the marketing success of Rexahn’s licensees or sublicensees; the success of clinical testing; and Rexahn’s need for and ability to obtain additional financing. More detailed information on these and additional factors that could affect Rexahn’s actual results are described in Rexahn’s filings with the U.S. Securities and Exchange Commission, including its most recent annual report on Form 10-K and subsequent quarterly reports on Form 10-Q. All forward-looking statements in this press release speak only as of the date of this press release. Rexahn undertakes no obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.