IRVINE, Calif.--(BUSINESS WIRE)--Spectrum Pharmaceuticals, Inc. (NasdaqGM:SPPI), a commercial-stage biotechnology company with a primary focus in oncology, today announced results of a pre-clinical study conducted by the National Cancer Institute of belinostat in the treatment of small-cell lung cancer that was presented in a poster session on Wednesday, April 21, 2010 at the 101st Annual Meeting of the American Association for Cancer Research (AACR), being held at the Walter E. Washington Convention Center in Washington, DC.