GSK's Trelegy Ellipta meets key goal in late-stage asthma study

(Reuters) - British drugmaker GlaxoSmithKline Plc said on Thursday that its respiratory drug Trelegy Ellipta met the main goal of a late-stage asthma study, signalling a possible boost to its lung medicines division that has been hit by generic competition.The company, along with co-developer Innoviva Inc, said the once-daily inhaler improved lung function in patients with uncontrolled asthma, compared to its other medicine Relvar/Breo Ellipta. However, GSK said Trelegy Ellipta did not meet its..