PHILADELPHIA--(BUSINESS WIRE)--Gilead Sciences, Inc. (Nasdaq:GILD) today announced results of a two-year (104-week), open-label, uncontrolled, extension study (ARIES-E) of Letairis® in patients with pulmonary arterial hypertension (PAH) (WHO Group 1). Data from this study were presented today at CHEST 2008, the annual meeting of the American College of Chest Physicians, taking place in Philadelphia, October 25-30. Letairis (ambrisentan 5 mg and 10 mg tablets) is indicated as a once-daily treatment for PAH (WHO Group 1) in patients with WHO functional class II or III symptoms to improve exercise capacity and delay clinical worsening.
