Tezosentan in Patients With Pulmonary Arterial Hypertension
Multi-center, Double-blind, Randomized, Placebo-controlled, Cross-over Study to Demonstrate That a Single Infusion of Tezosentan Has Minimal Effect on Blood Pressure in Patients With Pulmonary Arterial Hypertension, Treated With Endothelin Receptor Antagonists, Phosphodiesterase-5 Inhibitors or a Combination of Both.
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Fase 2
Kontakter og lokationer
Studiesteder
-
-
Texas
-
Houston, Texas, Forenede Stater, 77030
- Baylor College of Medicine
-
-
-
-
-
Clamart, Frankrig, 92141
- Hôpital Antoine Béclère
-
-
-
-
-
Osaka, Japan, 565-0871
- Osaka University Hospital
-
Osaka, Japan, 565-8865
- National Cardiovascular Center
-
Shinjuku-Ku, Japan, 160-8582
- Keio University Hospital
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria :
- Signed informed consent prior to initiation of any study-mandated procedure
- Male and female patients 18 years of age or older
Patients with PAH according to one of the following subgroups of the Dana Point Classification Group 1:
- Idiopathic, or
- Heritable, or
- Associated with connective tissue disease
Documented hemodynamic diagnosis of PAH by right heart catheterization (not part of study mandated procedures):
- Resting mean pulmonary arterial pressure (mPAP) ≥ 25 mmHg and
- Resting mean pulmonary vascular resistance (PVR) ≥ 240 dyn•s•cm 5 and
- Pulmonary capillary wedge pressure ≤ 15 mmHg
- Modified NYHA functional class II-III
- Patients on treatment with ERAs, PDE-5 inhibitors or a combination of both, if used for at least 3 months prior to Visit 1 and dosing kept stable for at least 28 days prior to Visit 1.
Exclusion Criteria :
- Patients with PAH in Dana Point Classification Groups 2-5, and PAH Group 1 subgroups not covered by inclusion criterion No. 3
- Patients with sitting SBP < 100 mmHg
- Patients with sitting DBP < 60 mmHg
- Patients with body weight < 50 kg (110 lbs)
- Patients with clinically significantly elevated liver enzymes (AST, ALT and/or alkaline phosphatase > 3 times upper limit)
- Patients with clinically significant chronic renal insufficiency (serum creatinine >2.5mg/dL / 221 µmol/L)
- Patients with moderate or severe hepatic impairment (Child-Pugh B and C)
- Patients who have received prostacyclin (epoprostenol) or prostacyclin analogs (e.g., treprostinil, iloprost and beraprost) within 28 days of Visit 1
- Patients who have received any investigational drugs within 28 days of Visit 1
- Patients who have received cyclosporine A (CsA) or tacrolimus within 28 days of Visit 1
- Psychotic, addictive or other disorder limiting the ability to provide informed consent or to comply with the study
- Life expectancy less than 12 months
- Females who are lactating or pregnant (positive pre-treatment pregnancy tests) (serum test at Screening and urine test on Visit 1 and 2) or females who are not using a reliable method of birth control (failure rate less than 1% per year) during the study and for at least one month after last administration of study drug
- Known hypersensitivity to any of the excipients of the drug formulation.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Støttende pleje
- Tildeling: Randomiseret
- Interventionel model: Crossover opgave
- Maskning: Dobbelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: 1
Placebo at visit 1, tezosentan at visit 2
|
Matchende placebo
5 mg/h intravenously, Tezosentan
|
|
Eksperimentel: 2
Tezosentan at visit 1, placebo at visit 2
|
Matchende placebo
5 mg/h intravenously, Tezosentan
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Absolute change in supine SBP from Baseline to 30 minutes at each visit (Visit 1 and Visit 2) - in mmHg
Tidsramme: 30 days
|
30 days
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Absolute change in heart rate from Baseline to 30 minutes at each visit (Visit 1 and Visit 2) - in bpm
Tidsramme: 30 days
|
30 days
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- AC-051-207
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