CHADDS FORD, PA--(Marketwire - October 23, 2007) - Endo Pharmaceuticals Holdings Inc. (NASDAQ: ENDP), a market leader in pain management, will announce its financial results for the third quarter ended September 30, 2007 before the market opens on November 1, 2007, and will hold a conference call at 11:00 a.m. ET that day to discuss those results.