Allos Therapeutics, Inc. (NASDAQ: ALTH)   is a biopharmaceutical company focused on the development and commercialization of small molecule therapeutics for the treatment of cancer. The company's lead product candidate, PDX (pralatrexate), is a novel antifolate currently under evaluation in a pivotal Phase 2 trial in patients with relapsed or refractory peripheral T-cell lymphoma. The company is also investigating PDX in patients with non-small cell lung cancer and a range of other lymphoma sub-types. The Company's other product candidate is RH1, a targeted chemotherapeutic agent currently being evaluated in a Phase 1 trial in patients with advanced solid tumors or non-Hodgkins Lymphoma (NHL).  more