** Drug developer's shares ANTH.O plunge 85.60 pct to 38
cents in premarket trade; set to open at record low
** Top pct loser among all U.S.-listed stocks
** Says it would evaluate all strategic options after its
lead drug failed in a late-stage trial urn:newsml:reuters.com:*:nL3N1QU3Y3
** Says would stop developing the drug, Sollpura, which
aimed to treat improper digestion due to cystic fibrosis (CF)
** In 2016, Sollpura failed another late-stage study to
treat patients with improper digestion due to CF urn:newsml:reuters.com:*:nL4N1EM3JU
** CF is a genetic disease that causes persistent lung
infections and limits ability to breathe over time
** Up to Friday's close, ANTH stock had risen 60 pct this
year; fell ~54 pct in the past 12 months
(Reporting by Akankshita Mukhopadhyay in Bengaluru)
((Akankshita.Mukhopadhyay@thomsonreuters.com))