GlaxoSmithKline has announced that the Relovair fluticasone furoate/vilanterol trifenatate DPI it is developing with Theravance showed good results in a Phase II study involving 60 COPD patients. Studies of the component drugs for asthma also demonstrated efficacy and safety, according to GSK. Phase III studies for both COPD and asthma are underway. Read the company’s press release.