BUZZ-AstraZeneca: investor survey sees 50:50 chance for cancer combo
** AstraZeneca (NYSE: AZN - news) clinical trial combining durvalumab and tremelimumab in first-line lung cancer has 50% chance of success, according to median prediction from 255 investors polled by Evercore ISI
** Bristol-Myers Squibb's similar Opdivo/Yervoy combo given 60% chance
** Combination treatment for first-line lung cancer key focus after weekend ESMO meeting, where Merck (LSE: 0O14.L - news) 's Keytruda stole show for selected patients with high PD-L1 levels
** AstraZeneca's MYSTIC combo trial expected to report results first half next year, with Bristol's CM-227 seen in 2018