Status:
COMPLETED
Safety and Efficacy Study of Ambrisentan in Subjects With Pulmonary Hypertension
Lead Sponsor:
Gilead Sciences
Conditions:
Pulmonary Hypertension
Eligibility:
All Genders
18+ years
Phase:
PHASE3
Brief Summary
The primary objective of this study was to evaluate the safety and efficacy of ambrisentan in a broad population of participants with pulmonary hypertension (PH). Secondary objectives of this study we...
Detailed Description
This study was to enroll up to 200 participants with PH due to the following etiologies: 1) PAH including idiopathic and familial PAH and PAH associated with collagen vascular disease, congenital syst...
Eligibility Criteria
Inclusion
- Summarized
- 18 years of age or older
- Current diagnosis of PH associated with an acceptable etiology as outlined in the protocol, including: PH due to the following etiologies: 1) PAH including idiopathic and familial PAH and PAH associated with collagen vascular disease, congenital systemic-to-pulmonary shunts (including Eisenmenger's syndrome), human immunodeficiency virus (HIV) infection, drugs and toxins, thyroid disorders, glycogen storage disease, Gaucher disease, hemoglobinopathies, and splenectomy (WHO Group 1); 2) PH associated with lung diseases and/or hypoxemia, including chronic obstructive pulmonary disease (COPD), interstitial lung disease (ILD), sleep-disordered breathing, and alveolar hypoventilation disorders (WHO Group 3); 3) PH due to proximal or distal chronic thromboembolic obstruction (WHO Group 4); and 4) PH due to sarcoidosis (WHO Group 5).
- Stable regimen (within four weeks) of chronic prostanoid, PDE-5 inhibitor, calcium channel blocker, or 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitor therapy
- Right heart catheterization completed prior to screening must meet pre-specified criteria
- Female participants of childbearing potential must have a negative serum pregnancy test and must agree to use a reliable double method of contraception until study completion and for at least four weeks following their final study visit.
- Male participants must be informed of the potential risks of testicular tubular atrophy and infertility associated with taking ambrisentan and queried regarding his understanding of the potential risks as described in the Informed Consent Form.
- Summarized
Exclusion
- Participation in a previous clinical study with ambrisentan
- Bosentan or sitaxsentan use within four weeks prior to the screening visit
- Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) lab value that is greater than 3 times the upper limit of normal at the screening visit
- Pulmonary function tests not meeting the following pre-specified criteria: 1) mean pulmonary arterial pressure (PAP) \>= 25 mm Hg; 2) PVR \> 3 mm Hg/L/min; 3) pulmonary capillary wedge pressure (PCWP) or left ventricle end diastolic pressure (LVEDP) \< 15 mm Hg; 4) total lung capacity (TLC) \>= 70% of predicted normal for participants without ILD or \>= 60% of predicted normal in participants with ILD; forced expiratory volume in 1 second (FEV1) \>= 65% of predicted normal in participants without COPD or \>= 50% of predicted normal in participants with COPD
- Contraindication to treatment with endothelin receptor antagonist (ERA)
- History of malignancies other than basal cell carcinoma of the skin or in situ carcinoma of the cervix within the past five years
- Female participant who is pregnant or breastfeeding
Key Trial Info
Start Date :
August 1 2006
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
May 1 2009
Estimated Enrollment :
224 Patients enrolled
Trial Details
Trial ID
NCT00380068
Start Date
August 1 2006
End Date
May 1 2009
Last Update
April 5 2012
Active Locations (39)
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1
University of Alabama at Birmingham
Birmingham, Alabama, United States, 35294
2
Arizona Pulmonary Specialists, Ltd
Phoenix, Arizona, United States, 85013
3
UCSD Medical Center, Thornton Hospital
La Jolla, California, United States, 92037
4
Greater Los Angeles, VA Medical Center
Los Angeles, California, United States, 90073