Pulmonary Hypertension Association home
Pulmonary Hypertension Association
 contact us | join PHA | site map/search

Clinical Trials

Title of Study:
ATHENA-1: A Randomized, Multicenter Study of Ambrisentan and Sildenafil Combination Therapy in Subjects with Pulmonary Arterial Hypertension who have Demonstrated a Sub-Optimal Response to Sildenafil

Study Sponsor:
Gilead Sciences, Inc

Start Date:
12-Mar-2008

End Date:
01-Apr-2009

Treatment Trial?
yes

Description:
This is a randomized, double-blind, placebo-controlled study will compare the efficacy and safety of ambrisentan / sildenafil combination therapy to sildenafil monotherapy in subjects with PAH who have demonstrated a sub-optimal response to sildenafil monotherapy.

The primary objective of this study is to compare the change in pulmonary vascular resistance (PVR), and other hemodynamic parameters, following the addition of ambrisentan or placebo to background sildenafil therapy in subjects with pulmonary arterial hypertension (PAH) who have demonstrated a sub-optimal response to sildenafil monotherapy.

Website for more information


Better Business Bureau Accredited Charity bbb.org/charity Charity Navigator 4 Star Charity Rating best in america seal


The information provided on the PHA website is provided for general information only. It is not intended as legal, medical or other professional advice, and should not be relied upon as a substitute for consultations with qualified professionals who are familiar with your individual needs.

Questions about the site? email web@PHAssociation.org

Pulmonary Hypertension Association
801 Roeder Road, Ste. 400
Silver Spring, MD 20910

Copyright © 2008 Pulmonary Hypertension Association
Read our privacy policy.

For optimal viewing of PHAssociation.org we recommend the following:

PC : Windows running Internet Explorer 5.5 or higher
Macintosh: Internet Explorer 5.2 or higher
free download from Microsoft.com

  Macromedia Flash Player
free download from Macromedia.com
  Adobe Acrobat Reader 6.0 or higher
free download from Adobe.com
Patients Medical Caregivers Media What is PH