Athira Pharma tumbles after Alzheimer's drug fails trial
** Shares of drug developer Athira Pharma ATHA.O nosedives
~73% to 76 cents premarket
** Co says its drug failed to meet the main goal in a
mid-to-late stage trial in patients with mild-to-moderate
Alzheimer's disease
** Says the fosgonimeton drug did not reach statistical
significance, compared to placebo, in a test that measures
cognition and other functions after 26 weeks
** Up to last close, stock up 16.5% YTD
(Reporting by Christy Santhosh)
((Christy.Santhosh@thomsonreuters.com))