Clinical trial

Sildenafil Effects on Pulmonary Haemodynamics and Gas Exchange in Chronic Obstructive Pulmonary Disease (COPD)

NCT00491803

StatusCOMPLETED
Study typeINTERVENTIONAL
Start date2007-06-01
PhasePHASE4

Study timeline

Study start (unknown)2007-06-01Date precision: month
Registry last updated2009-11-10
Observed by CureCurrent2026-10-07

Recorded dates are source observations, not predictions. Missing milestones are not estimated.

Registry-derived research relationships: ClinicalTrials.gov. Raw condition and intervention labels remain distinct from canonical MONDO/RxNorm entities unless separately normalized.