COVID-19 is an emerging, rapidly evolving situation.
Get the latest public health information from CDC:

Get the latest research information from NIH:

Key Record Dates Identifier: NCT00249730
Brief Title: Titration Study to Evaluate Efficacy and Satisfaction of Viagra in Men With Erectile Function.

First Submitted : November 3, 2005
First Submitted that Met QC Criteria : November 4, 2005
First Posted : November 7, 2005 (Estimate)

Last Update Submitted that Met QC Criteria : December 18, 2006
Last Update Posted : December 19, 2006 (Estimate)