|1||NCT00361959||Completed||SERETIDE 50/500mcg Versus Tiotropium Bromide On Exacerbation Rates In Severe Chronic Obstructive Pulmonary Disease||
||1270||All||40 Years to 80 Years (Adult, Senior)||NCT00361959||SCO40036||June 2003||February 2006||February 2006||August 9, 2006||January 20, 2017||
|2||NCT03137303||Not yet recruiting||Reducing Diagnostic Error to Improve Patient Safety in COPD and Asthma (REDEFINE Study)||
||Other / U.S. Fed||
||460||All||40 Years and older (Adult, Senior)||NCT03137303||2016-1209||REDEFINE||May 1, 2017||November 1, 2019||November 30, 2019||May 2, 2017||May 2, 2017|
† Study has passed its completion date and status has not been verified in more than two years.