PT - JOURNAL ARTICLE ED - Markman, Maurie AU - David M. Peereboom TI - From serendipity to design: the evolution of drug development in oncology DP - 1997 Mar 01 TA - Cleveland Clinic Journal of Medicine PG - 155--163 VI - 64 IP - 3 4099 - http://www.ccjm.org/content/64/3/155.short 4100 - http://www.ccjm.org/content/64/3/155.full SO - Cleve Clin J Med1997 Mar 01; 64 AB - Although screening of natural products remains the major method of discovering new anticancer drugs, newer techniques of rational drug design, computer-aided drug design, and combinatorial synthesis promise to broaden the scope of compounds available for screening. Recent changes in Food and Drug Administration rules allow for accelerated approval of drugs for treating cancer and other life-threatening illnesses, although the three-phase process of clinical trials remains largely unchanged.