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Iodine Mapping using Subtraction in Pulmonary Embolism Computed Tomography versus Dual Energy Computed Tomography.

To evaluate image quality and accuracy of detection of perfusion defects associated with pulmonary pathology on iodine maps of the lung that are created by two different CT techniques: 1. A standard of care CTPA with DECT and 2. A new technique that…

A Phase 2, Dose-Ranging, Randomized, Double-Blind, Placebo-Controlled Study of GS-4997 in Subjects with Pulmonary Arterial Hypertension

The primary objective of this study is to:Evaluate the effect of GS-4997 on pulmonary vascular resistance (PVR), as measured by right heart catheterization (RHC) in subjects with pulmonary arterial hypertension (PAH).

The effects of treatment on the right ventricular exertional contractile reserve in chronic tromboembolic pulmonary hypertension patients

The aim of this study is to evaluate the effects of treatment on the exertional contractile reserve and RV-arterial coupling during exercise in CTEPH patients. Furthermore, we evaluate the effects on the exertional contractile reserve and RV-…

ChanGes In Right ventricular volumes And Function Following diurEtic Treatment In Pulmonary arterial hypertension patients with decompensated right heart failure (GIRAFFE)

The primary objective of the study is to evaluate the effect of diuretics on right ventricular function and volume properties in patients with symptomatic right heart failure and PH.

A prospective, multicenter, single-arm, open-label, phase 4 study to evaluate the effects of macitentan on Right vEntricular remodeling in Pulmonary ArterIal hypeRtension assessed by cardiac magnetic resonance imaging

The primary objective of the study is to evaluate the effect of macitentan on right ventricular and hemodynamic properties in patients with symptomatic PAH.Secondary objectivesTo evaluate the safety and tolerability of macitentan in patients with…

AMB115811: A randomised, multicentre, double-blind, placebo-controlled study of ambrisentan in subjects with inoperable chronic thromboembolic pulmonary hypertension (CTEPH)

Primary: to assess the efficacy of ambrisentan 5mg after treatment period of 16 weeks, in subjects with inoperable CTEPH. Secondary: safety and tolerability.

The power and the flow: raising the bars in the treatment of pulmonary arterial hypertension

The primary goal of the study is to assess whether a goal oriented strategy to preserve/improve right ventricular function by application of upfront combination therapy will improve clinical outcome. Study questions:1. Will a goal oriented strategy…

Long-term single-arm open-label extension study of the SERAPHIN study, to assess the safety and tolerability of macitentan/ACT-064992 in patients with symptomatic pulmonary arterial hypertension

To assess the long-term safety and tolerability of macitentan in patients with symptomatic pulmonary arterial hypertension (PAH).

Intravenous Administration of In Vitro Expanded Mesenchymal Stem Cells in Patients with Pulmonary Arterial Hypertension due to Systemic Sclerosis;
A Safety and Feasibility Study

The main objective is assessment of safety and feasibility of intravenous administration of autologous, in vitro expanded, mesenchymal stem cells in patients with pulmonary arterial hypertension due to systemic sclerosis. The secondary objective is…

Randomized, double blind, placebo controlled, parallel group, multi-center study to evaluate the hemodynamic effects of Riociguat (BAY 63-2521) as well as safety and kinetics in patients with pulmonary hypertension associated with left ventricular systolic dysfunction

The primary objective of this study is to : Assess the hemodynamic profile of Riociguat in patients with symptomatic pulmonary hypertension associated with left ventricular systolic dysfunction The secondary objectives of this study are to : -…

Dyspnoea in Pulmonary Arterial Hypertension: Targeting the Diaphragm muscle

PRIMARY OBJECTIVE:To determine the contractile strength and the (ultra)structure of single diaphragm muscle fibers of CTEPH patients SECONDARY OBJECTIVES:1. To determine whether diaphragm muscle fiber weakness is part of a generalized muscle…

A prospective, multicenter, open-label extension of FUTURE 3 to assess the safety, tolerability and efficacy of the pediatric formulation of bosentan two versus three times a day in children with pulmonary arterial hypertension

To evaluate the long-term safety, tolerability and efficacy of the pediatric formulation of bosentan two versus three times a day in children with pulmonary arterial hypertension (PAH).

A Multicenter, Single-arm, Open-label, Phase 3b Study to Assess the Effects of Switching From Flolan® to ACT-385781A in Patients with Pulmonary Arterial Hypertension

- To evaluate the change in cardiac hemodynamics from baseline to 3-month following switch from Flolan to EFI in patients with PAH.- To evaluate the safety and tolerability of switching from Flolan to EFI in patients with PAH.- To evaluate the…

Multicenter, double-blind, placebo-controlled, randomized, prospective study of bosentan as adjunctive therapy to inhaled nitric oxide in the management of persistent pulmonary hypertension of the newborn (PPHN)

To assess the efficacy of bosentan in neonates with persistent pulmonary hypertension of the newborn (PPHN) who are in need of continued inhaled nitric oxide (iNO) after at least 4 hours of continuous iNO treatment and to evaluate the…

Influence of hyperglycaemia and sustained hypoxia on the hypoxic ventilatory response and the hypoxic pulmonary vasoconstriction.

In this study we want to investigate the effects of sustained hyperglycaemia and hypoxia on the hypoxic pulmonary vasoconstriction and hypoxic ventilatory response

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 symptomatic Pulmonary Arterial Hypertension (PAH).

BAY 63 2521 is a direct stimulator of the soluble Guanylate Cyclase (sGC) and is intended for the treatment of cardiovascular diseases, especially Pulmonary Hypertension (PH).To assess the efficacy and safety of oral BAY 63 2521 in the treatment of…

A 12-Week, International, Multicenter, Double-Blind, Randomized, Placebo-Controlled Comparison of the Efficacy and Safety of Oral UT-15C Sustained Release Tablets in Subjects with Pulmonary Arterial Hypertension

Primary: To assess the effect of UT-15C sustained release (SR) on exercise capacity compared to placebo (as measured by the change in 6-Minute Walk distance from Baseline to Week 12) in subjects with PAH who are not currently receiving ERA, PDE-5…

A 16-Week, International, Multicenter, Double-Blind, Randomized, Placebo-Controlled Study of the Efficacy and Safety of Oral UT-15C Sustained Release Tablets in Subjects with Pulmonary Arterial Hypertension

Primary Objective:To assess the effect of UT-15C sustained release (SR) tablets on exercise capacity compared to placebo (as measured by the change in 6-Minute Walk distance from Baseline to Week 16) in subjects with PAH.Secondary objective:To…

Long-term extension, multi-centre, multi-national study to evaluate the safety and tolerability of oral BAY 63-2521 (1 mg, 1.5 mg, 2 mg, or 2.5 mg tid) in patients with symptomatic Pulmonary Arterial Hypertension (PAH).

BAY 63 2521 is a stimulator of the soluble guanylate cyclase (sGC) and is intended for the treatment of cardiovascular diseases, especially pulmonary hypertension (PH).To assess the long-term safety and tolerability of BAY 63 2521 in the treatment…

A Single-arm Open Label Study Evaluating the Impact on Lifestyle of a New Thermo-stable Formulation of Flolan in Subjects with Pulmonary Arterial Hypertension (PAH) (FLR115332)

Primary:* To describe the effect of the new thermo stable formulation of FLOLAN on quality of life in patients switching from the currently marketed FLOLAN to the new thermo stable formulation.* To determine the dose titration requirementSecondary…