SAN DIEGO--(BUSINESS WIRE)--Somaxon Pharmaceuticals, Inc. (NASDAQ: SOMX) today announced that it will release its 2009 first quarter financial results after the market closes on Thursday, May 7, 2009. Somaxon management will host a conference call that same afternoon at 4:30 p.m. ET (1:30 p.m. PT) to review the financial results and answer questions.