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MediciNova Receives Notice Of Allowance For New Patent Covering MN-029 (denibulin) Di-hydrochloride

SAN DIEGO, Oct. 6, 2013 (GLOBE NEWSWIRE) -- MediciNova, Inc., a biopharmaceutical company that is publicly traded on the NASDAQ Global Market (Nasdaq:MNOV) and the Jasdaq Market of the Tokyo Stock Exchange (Code Number: 4875), announced that it has received a Notice of Allowance from the U.S. Patent and Trademark Office for a pending patent application which covers MN-029 (denibulin) di-hydrochloride.

Once issued, the patent maturing from this allowed patent application is expected to expire no earlier than July 2032. The allowed claims cover a compound, pharmaceutical composition and method of treating certain cell proliferation diseases, including solid tumors, based on denibulin di-hydrochloride. MediciNova intends to use denibulin di-hydrochloride in future development.  

"We are very pleased that this new patent will be granted as we believe it will substantially increase the length of exclusivity and hence the potential value of MN-029," said Yuichi Iwaki, MD, PhD, President and CEO of MediciNova, Inc. "In addition, the new patent allows us more flexibility as we work to determine which solid tumors with high unmet medical needs are best to target in future development."

About MN-029

MN-029 is a novel, small molecule vascular disrupting agent (VDA) being developed for the treatment of solid tumor cancers. MediciNova licensed MN-029 from Angiogene Pharmaceuticals, Ltd. Several preclinical pharmacology studies conducted by Angiogene Pharmaceuticals and MediciNova have assessed the mechanism of action and anti-tumor activity of MN-029 in vivo in rodent models of breast adenocarcinoma, colon carcinoma, lung carcinoma and KHT sarcoma. In these studies, MN-029 damaged poorly formed tumor blood vessels by weakening tumor blood vessel walls and causing leakage, clotting and eventual vascular shutdown within the tumor. These studies suggest that MN-029 acts quickly and is rapidly cleared from the body, which may reduce the potential for some adverse effects commonly associated with chemotherapy. Shutdown of tumor blood flow in tumor models was confirmed through the use of dynamic contrast-enhanced MRI. In two Phase I clinical studies conducted by MediciNova, MN-029 was well-tolerated at doses that reduced tumor blood flow.

About MediciNova

MediciNova, Inc. is a publicly-traded biopharmaceutical company founded upon acquiring and developing novel, small-molecule therapeutics for the treatment of diseases with unmet medical needs with a commercial focus on the U.S. market. MediciNova's current strategy is to focus on its two prioritized product candidates, MN-166 (ibudilast) for neurological disorders, and MN-221 for the treatment of acute exacerbations of asthma. MN-166 is being developed in multiple indications, largely through investigator-sponsored trials and outside funding. MediciNova is engaged in strategic partnering and consortium funding discussions to support further development of both the MN-221 and MN-166 programs. For more information on MediciNova, Inc., please visit www.medicinova.com .

Statements in this press release that are not historical in nature constitute forward-looking statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, without limitation, statements regarding the expected issuance of a patent covering MN-029, our clinical development strategies and future development of denibulin di-hydrochloride, the length of exclusivity and value of MN-029, and the implication that the company will have the ability to execute on its priorities. These forward-looking statements may be preceded by, followed by or otherwise include the words "believes," "expects," "anticipates," "intends," "estimates," "projects," "can," "could," "may," "will," "would," or similar expressions. These forward-looking statements involve a number of risks and uncertainties that may cause actual results or events to differ materially from those expressed or implied by such forward-looking statements. Factors that may cause actual results or events to differ materially from those expressed or implied by these forward-looking statements include, but are not limited to, risks of obtaining future partner or grant funding for development of MN-221, MN-166 and MN-029 and risks of raising sufficient capital when needed to fund MediciNova's operations and contribution to clinical development, risks and uncertainties inherent in clinical trials, including the potential cost, expected timing and risks associated with clinical trials designed to meet FDA guidance and the viability of further development considering these factors, product development and commercialization risks, the uncertainty of whether the results of clinical trials will be predictive of results in later stages of product development, the risk of delays or failure to obtain or maintain regulatory approval, risks associated with the reliance on third parties to sponsor and fund clinical trials, risks regarding intellectual property rights in product candidates and the ability to defend and enforce such intellectual property rights, the risk of failure of the third parties upon whom MediciNova relies to conduct its clinical trials and manufacture its product candidates to perform as expected, the risk of increased cost and delays due to delays in the commencement, enrollment, completion or analysis of clinical trials or significant issues regarding the adequacy of clinical trial designs or the execution of clinical trials, and the timing of expected filings with the regulatory authorities, MediciNova's collaborations with third parties, the availability of funds to complete product development plans and MediciNova's ability to obtain third party funding for programs and raise sufficient capital when needed, and the other risks and uncertainties described in MediciNova's filings with the Securities and Exchange Commission, including its annual report on Form 10-K for the year ended December 31, 2012 and its subsequent periodic reports on Forms 10-Q and 8-K. Undue reliance should not be placed on these forward-looking statements, which speak only as of the date hereof. MediciNova disclaims any intent or obligation to revise or update these forward-looking statements.

CONTACT: INVESTOR CONTACT:
         Geoff O'Brien
         Senior Director, Business Development and Strategic Planning
         MediciNova, Inc.
         obrien@medicinova.com

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