Pharsight Hosts Fourth Annual PKS User Gro...( Representatives from FDA and Leadin...)

Representatives from FDA and Leading Pharmaceutical Companies Slated to

Attend

MOUNTAIN VIEW, Calif., Sept. 28 /PRNewswire-FirstCall/ -- Pharsight Corporation (OTC Bulletin Board: PHST), a leading provider of software and strategic services for optimizing clinical drug development, today announced that it will host its fourth annual Pharsight(R) Knowledgebase Server(TM) (PKS(TM)) User Group Meeting on October 3 and 4, 2007 at the Marriott at Metro Center in Washington, DC.

This annual meeting provides an environment for regulators, industry scientists and developers to gather and discuss challenges and advances in regulatory-compliant PK/PD data management. Case studies will be presented by attendees to exemplify the use of PKS and the decisive impact the software has had on facilitating improved productivity in their drug development processes. More information is available from info@pharsight.com.

"This will be our fourth PKS User Group meeting and attendance is proving to be strong again this year," said Shawn O'Connor, Pharsight president, CEO and chairman. "We believe this confirms the growing importance of technology for improving the efficiency of the drug development process. PKS customers, FDA, and Pharsight personnel will once again have the opportunity to interact and share information which will drive future product development to increase the value of PKS."

About PKS

PKS is a high-productivity, regulatory-compliant enterprise data repository that manages modeling and simulation data. PKS enables pharmaceutical and biotechnology companies to better manage and control preclinical and clinical PK/PD data and analyses, thus supporting higher modeling productivity as called for in the FDA's Critical Path Initiative. FDA is using PKS under a Cooperative Research and Development Agreement (CRADA).

Companies also use PKS to build PK/PD data management architecture that complies with
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