David Acheson, SVP, US Commercial, said: "We have diligently built our COPD franchise through strong data and strong products. Today's launch of DUAKLIR® is the culmination of a strategic and concerted effort to help improve the lives of millions of Americans living with COPD. We are proud of the team at Circassia for working to achieve this important milestone, and are grateful to the researchers and patients for their contributions in helping to bring this important new COPD therapy to the US market."