** Shares of drug developer Reata Pharmaceuticals Inc
RETA.O more than double to $77 premarket; among top pct
gainers across U.S. exchanges
** Stock set to open at over a one-year high, if premarket
gains hold
** U.S. Food and Drug Administration on Tuesday approved
company's drug Skyclarys for the treatment of a rare genetic
disorder called Friedreich's ataxia
** The drug is RETA's first product to gain approval
** Jefferies analyst Maury Raycroft projects $400 mln in
U.S. sales for the drug by 2030
** Friedreich's ataxia is a neuromuscular disorder that
causes progressive damage to the nervous system and can lead to
premature death
** Reata stock down 4.8% in the last 12 months, as of
Tuesday's close
(Reporting by Aditya Samal)
((Aditya.Samal@thomsonreuters.com))