Developed with US respiratory specialist firm Innoviva, the drug (known as Breo Ellipta in the US) is GSK’s follow up to its respiratory blockbuster Advair/Seretide, but won’t come close to ...
Last quarter alone Advair generated sales of £848 million ... Trelegy may well cannibalise sales of GSK's newer double therapy, Breo Ellipta, which is slowly gaining market share.
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