** Shares of drugmaker Ironwood Pharmaceuticals IRWD.O
rise 1.9% to $11.6 premarket
** Co said late on Monday the U.S. FDA has approved co's
drug Linzess as a once-daily treatment for pediatric patients
aged between 6 and 17 years with functional constipation
** Linzess is developed and marketed by AbbVie ABBV.N and
IRWD in the U.S. The drug is already available since 2012 for
adults with irritable bowel syndrome with constipation
** Functional constipation is a chronic condition
characterized by hard, infrequent bowel movements that are often
difficult or painful to pass, affecting 6 million 6-17 years-old
in U.S. - IRWD
** The approval is based on data from late-stage study that
showed statistically significant improvement in patient, when
compared to placebo
** Up to Monday's close, stock had fallen ~8% YTD
(Reporting by Khushi Mandowara in Bengaluru)
((Khushi.Mandowara@thomsonreuters.com;))