NeurogesX To Present at Two Upcoming Conferences

SAN MATEO, Calif., May 6 /PRNewswire-FirstCall/ -- NeurogesX, Inc. (Nasdaq: NGSX), a biopharmaceutical company focused on developing and commercializing novel pain management therapies, announced today that Anthony DiTonno, President and Chief Executive Officer, is scheduled to present at two upcoming conferences: The Ninth Annual JMP Securities Research Conference, to be held May 10-12, 2010 in San Francisco, CA; and the Rodman & Renshaw Annual Global Investment Conference, taking place May 16-18, 2010 in London, UK.

Mr. DiTonno and Stephen Ghiglieri, Executive Vice President, Chief Operating Officer and Chief Financial Officer, will be available to respond to questions immediately following the presentations and to participate in one-on-one meetings with investors attending the conferences.

Both presentations will be webcast live and can be accessed by visiting the investor relations section of NeurogesX' website at www.neurogesx.com. The webcast will be archived for 90 days.

About NeurogesX, Inc.

NeurogesX, Inc. (Nasdaq: NGSX) is a San Francisco Bay Area-based biopharmaceutical company focused on developing and commercializing novel pain management therapies. NeurogesX was founded on the concept that use of prescription-strength capsaicin could help manage the pain associated with neuropathic pain conditions. Since its inception, NeurogesX has leveraged its passion to help people with pain to efficiently develop this concept and is now poised to bring its lead product to patients and physicians. In addition, we continue to apply our knowledge and expertise in the development of other novel treatments for pain.

The Company's lead product, Qutenza® (capsaicin) 8% patch, is a localized dermal delivery system containing a prescription strength of capsaicin that is currently approved in the United States and the European Union. Qutenza is now available in the United States for patients with postherpetic neuralgia (PHN). In Europe, Qutenza will be marketed by Astellas Pharma Europe Ltd. (Astellas), the European subsidiary of Tokyo-based Astellas Pharma Inc.

The Company's most advanced product candidate, NGX-1998, is a topically applied liquid formulation containing a high concentration of capsaicin designed to treat pain associated with neuropathic pain conditions such as PHN. NGX-1998 has completed three Phase 1 studies.

The Company's early-stage product pipeline includes pre-clinical compounds which are prodrugs of acetaminophen and various opioids. The Company has evaluated these compounds in vitro and in vivo.

Safe Harbor Statement

This press release contains forward-looking statements for purposes of the Private Securities Litigation Reform Act of 1995 (the "Act"). NeurogesX disclaims any intent or obligation to update these forward-looking statements, and claims the protection of the Safe Harbor for forward-looking statements contained in the Act. Examples of such statements include but are not limited to: statements about the safety and efficacy of Qutenza®; the timing and availability of Qutenza in Europe; and development activities for NeurogesX' products. Such statements are based on management's current expectations, but actual results may differ materially due to various risks and uncertainties, including, but not limited to: difficulties or delays in the commercialization of Qutenza, including with respect to manufacture and supply of Qutenza; Qutenza and NeurogesX's other product candidates may have unexpected adverse side effects; physician or patient reluctance to use Qutenza; and other difficulties or delays in the launch of Qutenza in the United States and, by Astellas in the European Union. For further information regarding these and other risks related to NeurogesX's business, investors should consult NeurogesX's filings with the Securities and Exchange Commission.

SOURCE NeurogesX, Inc.

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