MARLBOROUGH, Mass.--(BUSINESS WIRE)--Sepracor Inc. (Nasdaq: SEPR) will issue a press release of its fourth quarter and full-year 2008 financial results after the markets close on January 28, 2009. Sepracor will host a conference call and live webcast beginning at 8:30 a.m. ET on January 29, 2009 to discuss its fourth quarter and full-year 2008 financial results.