** Shares of drug developer Checkpoint Therapeutics CKPT.O
slump 45.2% to $1.82 premarket
** U.S. health regulator declines approval of its lead
experimental therapy to treat a type of advanced skin cancer,
citing issues related to a third-party contract manufacturer
** Co says U.S. FDA did not state any concerns about the
data or safety of the drug in its so-called "complete response
letter"
** CKPT filed marketing application for the therapy earlier
this year
** "We believe we can address the feedback in a resubmission
to enable marketing approval in 2024," CEO James Oliviero said
in a statement
** As of last close, stock down 35% YTD
(Reporting by Pratik Jain in Bengaluru)
((Pratik.Jain@thomsonreuters.com;))