** Shares of drug developer GRI Bio GRI.O rise 52% to $2.35 premarket
** Co says its experimental lung disease drug, GRI-0621, showed no decline in lung function after six weeks of treatment in an ongoing mid-stage trial
** Co is testing the drug for the treatment of idiopathic pulmonary fibrosis, a chronic lung disease where scar tissue builds up in the lungs, making it harder to breathe over time
** The drug was tested in 24 patients and showed no worsening in forced vital capacity, a key measure of lung function
** An independent monitoring committee recommended the study continue as planned
** As of last close, stock down 89% YTD
(Reporting by Kamal Choudhury in Bengaluru)
((Kamal.Choudhury@thomsonreuters.com;))
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