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Sildenafil is a phosphodiesterase-5 inhibitor that has been approved for the treatment of pulmonary arterial hypertension with orphan drug designation. Sildenafil modulates the nitric oxide (NO) pathway in the vessel wall. Since this pathway is impaired in pulmonary arteries of patients with pulmonary hypertension (PH) associated with chronic obstructive pulmonary disease (COPD), the investigators hypothesized that sildenafil might improve pulmonary hemodynamics and increase exercise tolerance in this condition.
It is a prospective, randomized, double-blind, placebo controlled trial to assess the effect of 3 months treatment with sildenafil (20 mg/8 h), added to a pulmonary rehabilitation program, on exercise tolerance. Subjects: 60 patients (30 by treatment group). Main end-point variable: endurance time in constant work exercise test (CWET). Other measurements: 6 min walk distance, performance in incremental exercise test, physiological and metabolic response at iso-time and iso-load in CWET, dyspnea, and health-related quality of life.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment
Hospital Clinic of Barcelona
Published on BioPortfolio: 2014-08-27T03:16:26-0400
Chronic obstructive pulmonary disease (COPD)can be complicated by an increased pressure in the pulmonary circulation. This worsens the prognosis, but so far it is unknown whether treatment...
Sildenafil is a phosphodiesterase-5 inhibitor that has been approved for the treatment of pulmonary arterial hypertension with orphan drug designation. Sildenafil modulates the nitric oxid...
This is a clinical research study designed to evaluate sildenafil for the treatment of Pulmonary Arterial Hypertension in children, aged 1 to 17 years. The purpose of the study is to asse...
To investigate the safety and overall tolerability of co-administration two PDE5 inhibitors UK369,003 and sildenafil
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A PHOSPHODIESTERASE TYPE-5 INHIBITOR; VASODILATOR AGENT and UROLOGICAL AGENT that is used in the treatment of ERECTILE DYSFUNCTION and PRIMARY PULMONARY HYPERTENSION.
Misunderstanding among individuals, frequently research subjects, of scientific methods such as randomization and placebo controls.
An effect usually, but not necessarily, beneficial that is attributable to an expectation that the regimen will have an effect, i.e., the effect is due to the power of suggestion.
A disease of chronic diffuse irreversible airflow obstruction. Subcategories of COPD include CHRONIC BRONCHITIS and PULMONARY EMPHYSEMA.
Pulmonary relating to or associated with the lungs eg Asthma, chronic bronchitis, emphysema, COPD, Cystic Fibrosis, Influenza, Lung Cancer, Pneumonia, Pulmonary Arterial Hypertension, Sleep Disorders etc Follow and track Lung Cancer News ...
Pharmacy is the science and technique of preparing as well as dispensing drugs and medicines. It is a health profession that links health sciences with chemical sciences and aims to ensure the safe and effective use of pharmaceutical drugs. The scope of...
Pulmonary arterial hypertension (PAH) is a chronic, life-threatening disorder characterized by abnormally high blood pressure in the arteries between the heart and lungs of affected individuals. Symptoms can range from mild breathles...