** Shares of Ardelyx Inc ARDX.O rise 3% to $5.07 premarket
** Drugmaker says it has resubmitted marketing application for its experimental kidney
disease drug, tenapanor, to the U.S. FDA
** Confirmation of resubmission of application is expected from FDA in mid-May - ARDX
** In December last year, FDA granted co's appeal for the agency to review the drug again
** Advisers to the regulator had voted for approval of the drug in November, more than a
year after it was initially rejected
** Stock up ~73% YTD, as of last close
(Reporting by Raghav Mahobe)
((Raghav.Mahobe@thomsonreuters.com;))