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Study to Assess the Longterm Safety of Sildenafil Citrate in Patients With Pulmonary Arterial Hypertension

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00159887
First Posted: September 12, 2005
Last Update Posted: June 8, 2011
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
Pfizer