** Shares of drugmaker Seres Therapeutics MCRB.O rise
21.2% to ~$1.90 premarket
** Co announces U.S. Food and Drug Administration's "fast
track" designation for its bacteria infection drug
** The experimental oral drug, SER-155, is designed to
prevent gastrointestinal bacterial infections, blood stream
infections and reduce a type of severe inflammation in patients
undergoing stem cell transplants
** Says data readout from a early-stage study testing
SER-155 is anticipated in Q3 of 2024
** Co also says its approved bacterial infection drug,
Vowst, had total 2023 net sales of about $19.6 mln since its
launch in June
** Fast track is a designation that the FDA reserves for a
drug intended to treat a serious or life-threatening condition
and expedite the review of the drug
** Stock fell 75% in 2023
(Reporting by Sneha S K)
((Sneha.SK@thomsonreuters.com;))