A Study to Assess the Efficacy and Safety of 20, 40, and 80mg of Sildenafil Three Times a Day in the Treatment of Pulmonary Arterial Hypertension

This study has been completed.

Study NCT00644605 Information provided by Pfizer

First Received: March 20, 2008 Last Updated: March 31, 2008 History of Changes

No Study Results Posted for this Study

Study Status:	This study has been completed.
Study Completion Date:	November 2003
Estimated Primary Completion Date:	No date given