Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 20, 2026, 6:49 AM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension, PAH WHO Group I
Interventions
Sitaxsentan, Bosentan, Ambrisentan
Drug
Lead sponsor
West Penn Allegheny Health System
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Pulmonary Hypertension
Interventions
sitaxsentan sodium
Drug
Lead sponsor
Encysive Pharmaceuticals
Industry
Eligibility
12 Years to 75 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Houston, Texas
Conditions
Cardiac Surgery Subjects, Subjects Undergoing CABG and/or Cardiac Valve Replacement
Interventions
sitaxsentan (Thelin), Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
48 Years to 82 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
3
States / cities
Philadelphia, Pennsylvania • Charleston, South Carolina • Chattanooga, Tennessee
Conditions
Healthy
Interventions
Sitaxentan sodium/Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Glendale, California