Teva AirDuo Poised To Be A Discounted, But Not Interchangeable, Version Of Advair

FDA approved Teva’s AirDuo RespiClick, which contains the active ingredients in GlaxoSmithKline’s Advair, but in the RespiClick device, which means it will not be an interchangeable generic.

Teva Pharmaceutical Industries Ltd. is poised to launch what is expected to be the first discounted version of GlaxoSmithKline PLC’s blockbuster asthma drug Advair (fluticasone/salmeterol) in the US, AirDuo RespiClick (fluticasone/salmeterol), which comprises the same active ingredients as Advair delivered through a different device than GSK’s Diskus. But the launch may have lost some of its punch.

Teva announced Jan. 30 that FDA approved AirDuo and ArmonAir (fluticasone), and that both drugs will launch “later this year.”...