** Shares of drug developer APTX.O down 51.7% at $1.13
premarket - top pct loser across U.S. exchanges
** Co's experimental drug to treat nerve pain failed to meet
main goal of mid-stage study in patients with painful diabetic
peripheral neuropathy urn:newsml:reuters.com:*:nBwbFGNdWa
** "The data from this study do not currently point to a
path forward in development for painful DPN" - CEO Andy Kidd
** Drug NYX-2925 failed to show significant difference
compared to placebo in relieving pain
** Stock down 12.4% this year, as of last close
(Reporting by Nandhini Srinivasan)
((Nandhini.Srinivasan@thomsonreuters.com;))