The U.S. Food and Drug Administration has approved Sanofi and Regeneron's blockbuster drug Dupixent for patients with a chronic lung disease, commonly known as "smoker's lung", the companies said on Friday.

After more than a decade without any therapeutic advancements in chronic obstructive pulmonary disorder (COPD), people with the progressive disease suddenly have two new options, with more likely o | Regeneron and Sanofi have announced that the FDA has expanded the label of megablockbuster Dupixent to treat COPD.