MediciNova Will Announce Clinical Results From a Phase IIa Clinical Study for MN-221, a Novel Treatment for Status Asthmaticus, On Tuesday, October 9, 2007 At 3:00 a.m. Eastern Time

Conference Call to Discuss Results On Tuesday, October 9, 2007, At 10:00 a.m. (EDT)


SAN DIEGO, Oct. 8, 2007 (PRIME NEWSWIRE) -- MediciNova, Inc., a biopharmaceutical company that is publicly traded on the Nasdaq Global Market (Nasdaq:MNOV) and the Hercules Market of the Osaka Securities Exchange (Code Number: 4875), will announce results of a Phase IIa clinical study for MN-221, a novel treatment for status asthmaticus, at 3:00 A.M., Eastern time, tomorrow October 9th. Following the announcement, MediciNova will host a conference call to discuss the results at 10:00 A.M. Eastern time.

Conference Call/Webcast Information

MediciNova will host a conference call and audio webcast to discuss the Phase IIa results. The call is scheduled for tomorrow, October 9th, at 10:00 A.M. Eastern time. To participate in this call, dial 800-591-6923 (domestic), 617-614-4907 (international), passcode: 97452425, shortly before 10:00 A.M., Eastern time. For a limited period following the call, a replay of the call will be available, beginning at 12:00 P.M. Eastern time; the replay can be accessed by calling 888-286-8010 (domestic), 617-801-6888 (international), passcode: 75196041. The audio webcast will be available on MediciNova's website (www.medicinova.com) for approximately 60 days following the call.

About MediciNova

MediciNova, Inc. is a publicly-traded biopharmaceutical company that acquires well characterized small-molecule drugs through strategic alliances with Japanese and other international pharmaceutical companies and accelerates their development in a diversified portfolio of therapeutic product candidates targeting significant disease markets. MediciNova's pipeline, which includes six compounds in clinical testing, targets a variety of prevalent medical conditions, including asthma, multiple sclerosis, status asthmaticus, interstitial cystitis, cancer, Generalized Anxiety Disorder, insomnia, preterm labor, urinary incontinence and thrombotic disorders. MediciNova's strategy is to commercialize selected product candidates in the United States and to monetize other programs at key value inflection points. For more information on MediciNova, Inc., please visit www.medicinova.com

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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 MediciNova's clinical trials supporting efficacy of product candidates and the potential novelty of such product candidates as treatments for disease, plans and objectives for present and future clinical trials and product development and commercialization, strategies and future performance. These forward-looking statements may be preceded by, followed by or otherwise include the words "believes," "expects," "anticipates," "intends," "estimates," "projects," "can," "could," "may," "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, the risks and uncertainties inherent in clinical trials and product development and commercialization, such as the uncertainty in results of clinical trials for product candidates, 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, MediciNova's reliance on third parties and the timing, cost and design of future clinical trials and research activities, the timing of expected filings with the FDA, the failure to execute strategic plans or strategies successfully, MediciNova's collaborations with third parties, intellectual property or contract rights, 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, 2006 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.



            

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