** Shares of biotech co Cassava Sciences Inc SAVA.O fall
13.6% to $21.8
** Co says results from proof-of-concept study of its
experimental drug showed cognitive decline slowed by 38% in 6
months in patients with mild-to-moderate Alzheimer's disease,
compared to placebo, but results not statistically significant
** Cognitive decline was 1.5 points on a disease scale in
placebo arm compared to 0.9 points in patients treated with the
SAVA's drug
** Brokerage Jones Research says we would not see lack of
"statistically significant" to be negative for the drug at
6-month time point; adds a 12-18 months to be a more appropriate
time point
** Including session losses, stock has fallen ~26% YTD
(Reporting by Khushi Mandowara in Bengaluru)
((Khushi.Mandowara@thomsonreuters.com;))