"Taken together, our evidence of apoptosis and cell cycle arrest by FKB treatment with less toxicity than the standard treatments provides an innovative argument for the use of FKB as a chemotherapeutic and chemopreventive compound."
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3681603/
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3681603/