drug work? mel knowna, it s very common and about 9000 deaths. it s one we really need to get at. it target as mutation that occurs 47 percent of the time in these tumors and about half of those patients seem to be responding, but the trial got actually halted early because it was so promising, so that s exciting. this is the first big giant step. now, the patients who didn t respond may be helped by the other big drugs that got announced over the weekend and this is another villanoma drug that helps the body s immune system fight it. alisyn: interesting, two different tests and strategy ies. what s interesting, i had heard that melanoma was one of the more easy cancers to treat, yet this was done on people with late stage inoperable melanoma and it seems to show promise. it s a metastatic disease