(Updates)
** Shares of biotech company Pieris Pharmaceuticals PIRS.O
fall as much as 72% to record low of 25 cents
** Company says partner AstraZeneca AZN.L informed PIRS of
its decision to discontinue dosing in ongoing mid-stage trial
evaluating its experimental drug for treatment of asthma
** Decision was based on data from lab study which does not
support long-term development of the drug - PIRS
** Lab study data showed lung tissue damage in non-human
primates, which did not appear to be related to the drug, says
company
** PIRS will review the implications of the lab study data
and its overall priorities
** PIRS drug candidate, elarekibep, works by preventing
proteins that are responsible for a variety of inflammatory
responses in the lungs
** William Blair analysts say the update raises concerns for
PIRS' inhaled platform, Anticalin, through which the drug was
going to be administered
** Brokerage downgrades rating to "market perform" from
"outperform", says drug elarekibep and the inhaled platform were
clearly the value driver for PIRS
** As of last close, PIRS down ~14% YTD
(Reporting by Bhanvi Satija in Bengaluru)
((Bhanvi.Satija@thomsonreuters.com; Outside U.S. +91
9873062788;))