SAN DIEGO--(BUSINESS WIRE)--Somaxon Pharmaceuticals, Inc. (NASDAQ:SOMX) today announced that Ken Cohen, president and chief executive officer, will participate in a panel presentation at the RBC Capital Markets 2007 Healthcare Conference at the Westin New York Hotel at Times Square in New York City on Thursday, December 13, 2007, at 10:00 a.m. ET (7:00 a.m. PT).