Pulmonary Disease, Chronic Obstructive Clinical Trial
Official title:
Measurement of Neutrophil Retention in the Lung in Vivo, Using Autologous Labelled Neutrophils, in Healthy Subjects Following Lipopolysaccharide or Saline Challenge and Patients With Chronic Obstructive Pulmonary Disease (COPD)
This is an exploratory study to further develop an imaging platform for the assessment of whole lung neutrophil retention. The primary objective of the study is to quantify and compare neutrophil retention in the lungs of lipopolysaccharide-challenged healthy subjects, saline-challenged healthy subjects and subjects with stable COPD. There will be two treatment groups, one with healthy subjects and the other with subjects with stable COPD. The total duration of this study for healthy subjects will be approximately 1 week, in addition to the screening window of 28 days. The total duration of this study for subjects with COPD will be approximately 1 week for those that complete Visit 1 only, and approximately 2 weeks for those subjects with COPD that return to the unit for Visit 2 7-10 days later, in addition to the screening window of 28 days.
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