EUCTR2007-000072-16-ES进行中(未招募)1 期
Ensayo clínico, multinacional, multicéntrico, aleatorizado ,doble ciego, controlado con placebo, para evaluar la eficacia y la seguridad de BAY 63-2521 (1 mg, 1.5 mg, 2mg, o 2.5 mg,tid), administrado por vía oral, en pacientes con Hipertensión Pulmonar Tromboembólica Crónica (HPTEC). Estudio CHEST ?1 Randomized, double-blind, placebo-controlled, multi-centre, multi-national study to evaluate the efficacy and safety of oral BAY 63-2521 (1 mg, 1.5 mg, 2 mg, or 2.5 mg tid) in patients with Chronic Thromboembolic Pulmonary Hypertension (CTEPH). - CHEST-1 Study
试验速览
- 阶段
- 1 期
- 状态
- 进行中(未招募)
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional clinical trial of medicinal product
入排标准
入选标准
- •?18 to 75 years of age at Visit 1.
- •?Male and female patients with CTEPH and a 6MWD Test above 150 m either defined as :
- •oInoperable due to the consideration of an experienced surgeon1, with pulmonary vascular resistance >480 dyn*sec*cm-5 measured at least 3 months after start of full anticoagulation and mean pulmonary artery pressure >25 mmHg
- •owith persisting or recurrent PH after Pulmonary Endarterectomy (Patients must have a PVR >480 dyn*sec*cm-5 measured at least 6 months after surgery)
- •?The diagnosis of CTEPH must have been established based on 2 of the 4 following imaging methods before study entry: Ventilation-Perfusion Scan, Pulmonary Angiogram, Spiral-CT, MR-Angiogram.
- •?The diagnosis of inoperability must have been established based on a Pulmonary Angiogram and /or a 64-slice Spiral CT before study entry.
- •?Unspecific treatments which may also be used for the treatment of pulmonary hypertension such as oral anticoagulants, diuretics, digitalis, calcium channel blockers or oxygen supplementation are permitted. However, treatment with anticoagulants must have been started at least 3 months before Visit 1 and treatment with diuretics needs to be stable for at least one month before Visit 1.
- •?Patients who full-fill criteria for a supplemental long-term oxygen therapy (PaO2 < 55 mmHg and/or SaO2 < 88% at rest, sleep and exertion) need to be supplied sufficiently before study entry. The amount of supplemental oxygen and the delivery method need to be stable for at least three months beforeVisit 1.
- •?Right-heart catheterization results for the definite diagnosis of PH must not be older than 6 weeks at Visit 1 (will be considered as baseline values), must have been measured after at least 3 months of full anticoagulation, and must have been measured in the participating centre under standardized conditions (refer to the study specific Swan Ganz catheterization manual). If the respective measurements have not been performed in context with the patient?s regular diagnostic work up, they have to be performed as a part of the study during the Pre-Treatment Phase (after the patient signed the informed consent).
- •?Women without childbearing potential defined as postmenopausal women aged 55 years or older, women with bilateral tubal ligation, women with bilateral ovarectomy, and women with hysterectomy can be included in the study. Women with childbearing potential can only be included in the study if a serological pregnancy test is negative and a combination of condoms with a safe and highly effective contraception method (hormonal contraception with implants or combined oral contraceptives, certain IUDs) is used.
- •?Patients who are able to understand and follow instructions and who are able to participate in the study for the entire period.
- •?Patients must have given their written informed consent to participate in the study after having received adequate previous information and prior to any study-specific procedures.
- •Are the trial subjects under 18? no
- •Number of subjects for this age range:
- •F.1.2 Adults (18-64 years) yes
- •F.1.2.1 Number of subjects for this age range
- •F.1.3 Elderly (>=65 years) yes
- •F.1.3.1 Number of subjects for thi
排除标准
- •?Patients unable to perform a valid 6MWD Test (eg orthopedic disease, peripheral artery occlusive disease, which affects the patient?s ability to walk)
- •?Patients with a relative difference of more than 15% between the eligibility- and the baseline 6MWD Test
- •Medication/Treatment Exclusions:
- •Patients who are screened for possible participation in the study must not been withdrawn from treatments which are medically required. If such treatments are not in-line with the entry criteria of this study, the patient must not be enrolled.
- •The following specific medications for treatment of pulmonary hypertension or medications which may exert a pharmacodynamic interaction with the study drug are not allowed:
- •Pre-Treatment within the last 3 months before Visit 1:
- •?Endothelin Receptor Antagonists
- •?Prostacycline analogues
- •?Specific (eg Sildenafil or Tadalafil) or unspecific Phosphodiesterase Inhibitors (eg Dipyridamole, Theophylline)
- •?NO donors (eg Nitrates)
- •Pulmonary Disease Exclusions:
- •?All types of pulmonary hypertension except subtypes 4.1 and 4.2 of the Venice Clinical Classification of Pulmonary Hypertension
- •?Moderate to severe bronchial asthma or COPD (Forced Expiratory Volume < 60% predicted)
- •?Severe restrictive lung disease (Total Lung Capacity <70% predicted)
- •?Severe congenital abnormalities of the lungs, thorax, and diaphragm
- •Exclusions related to abnormalities in blood gases (measured capillary or arterial):
- •?SaO2 < 88% despite supplemental oxygen therapy
- •?PaO2 < 55 mmHg despite supplemental oxygen therapy
- •?PaCO2 > 45 mmHg
- •Cardiovascular Exclusions:
- •?Uncontrolled arterial hypertension (Systolic blood pressure >180 mmHg and /or diastolic blood pressure >110 mmHg)
- •?Systolic blood pressure <95 mmHg
- •?Resting heart rate in the awake patient <50 BPM or >105 BPM
- •?History of atrial fibrillation within the last 3 months before Visit 1
- •?Left heart failure with an ejection fraction less than 40%
- •?Pulmonary venous hypertension with pulmonary capillary wedge pressure >15 mmHg
- •?Hypertrophic obstructive cardiomyopathy
- •?Severe proven or suspected coronary artery disease (patients with Canadian Cardiovascular Society Angina Classification class 2-4, and/or requiring nitrates, and/or myocardial infarction within the last 3 months before Visit 1)
- •?Clinical evidence of symptomatic atherosclerotic disease (eg peripheral artery disease with reduced walking distance, history of stroke with persistent neurological deficit etc)
- •?Congenital or acquired valvular or myocardial disease if clinically significant apart from tricuspid valvular insufficiency due to pulmonary hypertension
- •?Evidence for recurrent thromboembolism despite sufficient (documented) oral anticoagulation - also when pulmonary arteries are not affected.
- •Exclusions related to disorders in organ function:
- •?Clinical relevant hepatic dysfunction indicated by:
- •- bilirubin >2 times upper limit normal
- •- and / or hepatic tran
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