** Shares of drug developer Wave Life Sciences WVE.O fall 22% to $7.50
** Co posted interim data from its ongoing early-to-mid stage trial testing WVE-006 for the treatment of alpha-1 antitrypsin deficiency, a rare genetic disorder
** Co says patients who received multiple 200 mg doses reached protein levels that could lower their risk of liver and lung diseases
** Jones Trading analyst Catherine Novack in an mail response said that the "data are below investor expectations for a viable AATD therapy"
** "There's still hope Wave can improve with higher dose levels, although dose response between 200mg and 400mg was modest," Novack added
** During the trial one patient showed increased protein levels during an acute phase response caused by a kidney stone, co says
** As of last close, stock down 42% YTD
(Reporting by Kamal Choudhury in Bengaluru)
((Kamal.Choudhury@thomsonreuters.com;))