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Due to slow recruitment, the study was prematurely discontinued
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Multicenter, Open-label, Non-comparative, Proof-of-concept, Phase 2a Study to Evaluate the Effect of a Single Infusion of Tezosentan on Pulmonary Vascular Resistance in Patients With Stable, Chronic Pulmonary Arterial Hypertension, Currently Not Treated With Endothelin Receptor Antagonists, Phosphodiesterase-5 Inhibitors or Prostacyclines
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Tezosentan | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Tezosentan | Drug | single infusion of tezosentan 5mg/h over 30 min corresponding to 2.5 mg |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in PVR from Baseline to 30 minutes expresses as percent of the Baseline value. | 30 minutes |
| Measure | Description | Time Frame |
|---|---|---|
| Change in mean right arterial pressure (mRAP) from Baseline to 30 minutes | 30 minutes | |
| Change in mPAP from Baseline to 30 min | 30 minutes | |
| Change in total pulmonary resistance (TPR) from Baseline to 30 min |
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Inclusion Criteria:
Signed informed consent
Male and female patients 18 years of age or older
Patients with PAH according to one of the following subgroups of the Venice Classification Group 1:
Modified NYHA functional class II-III
Documented hemodynamic diagnosis of PAH by right heart catheterization at Baseline:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Elisabet Lindberg, MD | Actelion | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Washington University School of Medicine | St Louis | Missouri | 63110 | United States | ||
| Baylor College of Medicine |
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| ID | Term |
|---|---|
| D000081029 | Pulmonary Arterial Hypertension |
| ID | Term |
|---|---|
| D006976 | Hypertension, Pulmonary |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
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| ID | Term |
|---|---|
| C120582 | tezosentan |
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| 30 minutes |
| Change in PCWP from Baseline to 30 min | 30 minutes |
| Change in cardiac output (CO) from Baseline to 30 min | 30 minutes |
| Change in cardiac index (CI) from Baseline to 30 min | 30 minutes |
| Houston |
| Texas |
| 77030 |
| United States |
| Hopital Antoine Béclère | Paris | Clamart | 92141 | France |
| University Hospital of Basel, Clinic of Pneumology | Basel | CH - 4031 | Switzerland |
| Centre Hospitalier Universitaire Vaudois (CHUV) | Lausanne | CH-1011 | Switzerland |