SANTA CLARA, Calif.--(BUSINESS WIRE)--XenoPort, Inc. (Nasdaq: XNPT) announced today its financial results for the fourth quarter and year ended December 31, 2010. Revenues for the quarter were $1.9 million, compared to $5.8 million for the same period in 2009. Net loss for the fourth quarter was $14.8 million, compared to a net loss of $18.3 million for the same period in 2009. At December 31, 2010, XenoPort had cash and cash equivalents and short-term investments of $108.6 million.