** Disc Medicine's IRON.O shares down 28.4% at $51.3
** Blood disease-focused biopharma says U.S. FDA has declined to approve Bitopertin, its rare genetic disorder treatment
** Bitopertin has been under review for accelerated approval and as part of the Commissioner's National Priority Voucher pilot program
** FDA indicated a need to see the results of the ongoing late-stage APOLLO study before making a decision - IRON
** Topline data from APOLLO study expected in Q4
** Including session losses, stock down roughly 41% YTD
(Reporting by)
((mrinalika.roy@thomsonreuters.com;))