European regulators have refused to back GlaxoSmithKline’s daily triple therapy Trelegy Ellipta for asthma, denying a label extension because there was no evidence to show a reduction of flare-ups.

Now, it has decided to publish a special report on two of GSK's COPD therapies – Breo Ellipta (fluticasone furoate and vilanterol) and Trelegy Ellipta (fluticasone furoate, umeclidinium ...