** Shares of Mirum Pharmaceuticals MIRM.O up 9.1% at
$30.30 premarket
** U.S. health regulator approved late on Wednesday expanded
use of company's oral drug, Livmarli, to treat itching caused by
progressive familial intrahepatic cholestasis (PFIC)
** PFIC is a genetic disorder that causes progressive liver
disease typically leading to organ failure
** Livmarli was initially approved in September 2021 to
treat itching caused by another type of genetic liver disorder
known as Alagille Syndrome (ALGS)
** As of last close, stock down ~6% YTD
(Reporting by Bhanvi Satija in Bengaluru)
((Bhanvi.Satija@thomsonreuters.com; Outside U.S. +91
9873062788;))