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Phase 2 Study of Ambrisentan for Liver Function Test Rescue in Pulmonary Arterial Hypertension

Pulmonary Hypertension Clinical Trial

Official title:
A Phase 2, Open-label, Multicenter Study Evaluating Ambrisentan in Subjects With Pulmonary Arterial Hypertension Who Have Previously Discontinued Endothelin Receptor Antagonist Therapy Due to Serum Aminotransferase Abnormalities

Clinical Trial Summary

This Phase 2 study was to determine the incidence of increased serum aminotransferase concentrations (alanine aminotransferase [ALT] and/or aspartate aminotransferase [AST]), as well as the overall safety and tolerability of ambrisentan, in participants with pulmonary arterial hypertension (PAH), idiopathic PAH (IPAH), or familial PAH (FPAH) who had previously discontinued ERA therapy (bosentan or sitaxsentan) due to increased serum ALT or AST concentrations.

Clinical Trial Description

n/a

Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00423592
Study type Interventional
Source Gilead Sciences
Contact
Status Completed
Phase Phase 2
Start date May 2005
Completion date March 2009
View Details
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