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ViroPharma's Cinryze® (C1 Esterase Inhibitor [human]) Open Label Prophylaxis Study Showed Up To 2.6 Years Of Effectiveness In Majority Of Subjects With Hereditary Angioedema

For more information on HAE, visit the U.S. HAE Association's website at  www.haea.org and the HAEi's (International Patient Organization for C1 Inhibitor Deficiencies) website at  www.haei.org.

About ViroPharma Incorporated

ViroPharma Incorporated is an international biopharmaceutical company committed to developing and commercializing novel solutions for physician specialists to address unmet medical needs of patients living with diseases that have few if any clinical therapeutic options.  ViroPharma is developing a portfolio of therapeutics for rare and Orphan diseases including C1 esterase inhibitor deficiency, Friedreich's Ataxia, and adrenal insufficiency, cytomegalovirus (CMV); and recurrent C. difficile infection (CDI).  Our goal is to provide rewarding careers to employees, to create new standards of care in the way serious diseases are treated, and to build international partnerships with the patients, advocates, and health care professionals we serve.  ViroPharma's commercial products address diseases including hereditary angioedema (HAE), seizures, adrenal insufficiency and C. difficile-associated diarrhea (CDAD); for full U.S. prescribing information on our products, please download the package inserts at http://www.viropharma.com/Products.aspx; the prescribing information for other countries can be found at www.viropharma.com

ViroPharma routinely posts information, including press releases, which may be important to investors in the investor relations and media sections of our company's web site, www.viropharma.com. The company encourages investors to consult these sections for more information on ViroPharma and our business.

Forward-Looking Statements

Certain statements in this press release contain forward-looking statements that involve a number of risks and uncertainties. Forward-looking statements provide our current expectations or forecasts of future events. Forward-looking statements in this press release include statements regarding the therapeutic use, safety, efficacy, tolerability and potential of Cinryze in an open label prophylactic study.  Our actual results could differ materially from those results expressed in, or implied by, these forward-looking statements. The commercialization of pharmaceutical products is subject to risks and uncertainties. The data that were discussed in The American Journal of Medicine article are subject to different interpretations and may not be predictive of the results of any individual's results or of how Cinryze performs in commercial usage.  These factors, and other factors, including, but not limited to those described in our annual report on Form 10-K for the year ended December 31, 2012 and 10-Q for the quarter ended March 31, 2012 filed with the Securities and Exchange Commission, could cause future results to differ materially from the expectations expressed in this press release. The forward-looking statements contained in this press release are made as of the date hereof and may become outdated over time. ViroPharma does not assume any responsibility for updating any forward-looking statements. These forward looking statements should not be relied upon as representing our assessments as of any date subsequent to the date of this press release.

SOURCE ViroPharma Incorporated

Copyright 2011 PR Newswire. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
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