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GSK Braces For Impact: Advair Generic Could Reduce US Brand To £1Bn

 
• By Jessica Merrill

Although it’s not yet clear if an interchangeable version of the respiratory blockbuster will be approved by FDA, CEO Andrew Witty prepared investors to expect a hit, forecasting that a mid-year launch could significantly reduce revenues.

GlaxoSmithKline PLC has enjoyed an extended life for its blockbuster respiratory brand Advair Diskus (fluticasone/salmeterol) beyond its patent expiry and transitioned patients to newer medicines in the interim, but the company might be about to hit the end of the road on Advair’s exclusivity in the US.

During the company’s fourth quarter earnings call Feb. 8, CEO Andrew Witty braced investors to expect a substantial hit to...

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