** Drug developer's HGEN.O shares plunge ~52.5% to $7.17
premarket
** Stock top percentage loser across exchanges, before
opening bell
** Co says U.S. FDA declined to grant emergency use
authorization for its drug, lenzilumab, to treat patients
hospitalized with COVID-19 urn:newsml:reuters.com:*:nL4N2QB12Z
** FDA in its letter to HGEN stated it was unable to
conclude the benefits of lenzilumab outweighed its risks as a
treatment for COVID-19
** HGEN filed its application with FDA seeking emergency use
authorization in May, citing late-stage trial data urn:newsml:reuters.com:*:nL3N2NF38I
** As of last close, stock down ~13.7% this year
(Reporting by Mrinalika Roy in Bengaluru)
((mrinalika.roy@thomsonreuters.com))