SANTA CLARA, Calif.--(BUSINESS WIRE)--XenoPort, Inc. (Nasdaq:XNPT) announced today its financial results for the fourth quarter and year ended December 31, 2009. Revenues for the quarter were $5.8 million, compared to $10.6 million for the same period in 2008. Net loss for the fourth quarter was $18.3 million, compared to a net loss of $18.7 million for the same period in 2008. At December 31, 2009, XenoPort had cash and cash equivalents and short-term investments of $143.7 million.