A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study to Assess Safety and Efficacy of Ambrisentan in Subjects With Pulmonary Arterial Hypertension.
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|ClinicalTrials.gov Identifier: NCT00423202|
Recruitment Status : Completed
First Posted : January 18, 2007
Last Update Posted : April 16, 2009
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A phase 3, randomized, double-blind, placebo-controlled study to assess safety and efficacy of ambrisentan in subjects with pulmonary arterial hypertension.
|Condition or disease||Intervention/treatment||Phase|
|Pulmonary Arterial Hypertension||Drug: ambrisentan||Phase 3|
|Study Type :||Interventional (Clinical Trial)|
|Estimated Enrollment :||186 participants|
|Intervention Model:||Single Group Assignment|
|Official Title:||Ambrisentan in PAH - A Phase III, Randomized, Double-Blind, Placebo-Controlled, Multicenter, Efficacy Study of Ambrisentan in Subjects With Pulmonary Arterial Hypertension.|
|Study Start Date :||December 2003|
|Estimated Study Completion Date :||October 2005|
Primary Outcome Measures :
- Change from baseline in the six-minute walk distance evaluated after 12 weeks of therapy compared to placebo.
Secondary Outcome Measures :
- Change from baseline measured after 12 weeks of treatment compared to placebo in the Borg Dyspnea Index immediately following exercise, WHO functional class and SF-36 Health Survey.
- Clinical worsening of PAH.
- Assessment of the safety and tolerability of the study drug.
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