Translation of "placebo-controlled study" into German

This was a placebo-controlled study, where patients with severe COPD and increased sputum production, who were hospitalized for an exacerbation, were included.

In diese Placebo-kontrollierte Studie wurden Patienten mit schwerer COPD und vermehrter Sputumproduktion, die wegen einer Exazerbation hospitalisiert worden waren, aufgenommen.