BOSTON--(BUSINESS WIRE)--March 20, 2006--CombinatoRx, Incorporated (NASDAQ: CRXX), today reported financial results for the quarter and year ended December 31, 2005. CombinatoRx reported a net loss of $29.5 million for the full year ended 2005, compared to a net loss of $22.3 million for the full year ended 2004. For the fourth quarter of 2005, CombinatoRx reported a net loss of $7.0 million compared to a net loss of $7.6 million for the same period in 2004. At December 31, 2005, cash and cash equivalents and short-term investment balances were $99.7 million and restricted cash was $2.6 million.