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Browse 3,518 clinical trials for hypertension. Find studies that match your criteria and connect with research centers.
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NCT03683082
Pulmonary arterial hypertension (PAH) is a disease characterised with significant morbidity and poor prognosis. Dyspnoea and impaired exercise capacity are very common manifestations of the disease, and result in significant impairment of patients' quality of life. Although hypoxemia is common among subjects with PAH, published data on the effects of supplementary oxygen therapy on specific clinical outcomes among these patients are currently few, while the existing data on the potential benefits of oxygen supplementation to treat exercise-induced hypoxemia, in this patient population, are even more controversial. Based on the aforementioned, the purpose of this prospective, crossover clinical trial is to investigate the acute effects of supplemental oxygen administration on the: a) exercise capacity, b) severity of dyspnea, c) cerebral oxygenation, b) muscle oxygenation, and e) hemodynamic profile, as compared to delivery of medical air (sham oxygen), in a group of patients with PAH, during steady state cardiopulmonary exercise testing (CPET)
NCT01656408
This randomized, double-blind, placebo-controlled, multiple-rising-dose study will evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of MK-8150 in healthy young men, in male participants with mild to moderate hypertension, in elderly male and female participants with mild to moderate hypertension, and in male and female participants with resistant hypertension. A primary study hypothesis is that there is at least one dose that does not increase heart rate (HR) to a clinically meaningful extent in male participants with mild to moderate hypertension and in elderly participants with mild to moderate hypertension on either Day 1 or the last Day of multiple dosing (Daylast), as measured by Time-weighted Average Across 24 hours (TWA0-24hrs). The hypothesis is met if mean increase (MK-8150 - placebo) in TWA0-24hrs HR in the identified groups is ≤15 beats per minute on Day 1 and Daylast.