>> discussing current verified clinical discoveries. Verified? LOL! You mean Bavi in preclinical melanoma models more effective than anti-CTLA4? http://www.peregrineinc.com/images/stories/pdfs/sitc_2014_m_ctla4_bf_pphm_1961.pdf Bavi had very little single agent activity in clinic, unlike anti-CTLA4. So, you should know what those preclinical models worth!