Clinical Trials Below are current clinical trials.52 studies in Pulmonary, Critical Care, and Sleep Medicine (open studies only). Filter this list of studies by location, status and more. A Study of a New Non-Invasive Method for Measuring Lung Elasticity in Healthy Volunteers Rochester, Minn. The purpose of this study is to test a new non-invasive technique may be used to assess patients with various lung disorders. A Study to Evaluate Pulmonary Vascular Complications of Liver Disease 3 (PVCLD3) Rochester, Minn. The purpose of this study is toexamine whether increased sphingosine 1 phosphate : ceramide ratio and circulating bile acids are associated with HPS in patients with advanced liver disease. Pagination Clinical studies PrevPrevious Page Go to page 44 Go to page 55 Go to page 66 Medical Professionals Pulmonary, Critical Care, & Sleep Medicine Clinical Trials