MEMPHIS, Tenn.--(BUSINESS WIRE)--GTx, Inc. (Nasdaq: GTXI) today reported financial results for the first quarter of 2008. The net loss for the quarter ended March 31, 2008 was $12.7 million, compared with a net loss of $8.1 million for the same period in 2007. At March 31, 2008, GTx had cash, cash equivalents and short-term investments of $134.7 million.