MEMPHIS, Tenn.--(BUSINESS WIRE)--GTx, Inc. (Nasdaq: GTXI) today announced that it intends to offer and sell shares of its common stock in an underwritten public offering. All of the shares in the offering are to be sold by GTx. The offering is subject to market conditions, and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering.