SAN MATEO, Calif., April 23 /PRNewswire-FirstCall/ -- NeurogesX, Inc. (Nasdaq:NGSX - News), a biopharmaceutical company focused on developing and commercializing novel pain management therapies, announced today that Anthony DiTonno, President and CEO, and members of the NeurogesX management team, will host an Investor Day on Friday, April 30, 2010, from 8:15am-11:00am EDT in New York City.