Active clinical trials for "Hypertension"

The purpose of this study is to determine if Nebivolol improves microvascular perfusion in skeletal muscle during exercise in hypertensive patients and whether this improvement is accompanied by reduction in vascular oxidative stress or increased endothelial nitric oxide synthase (eNOS) expression in humans.

The objective of this clinical investigation is to determine the most effective drug concentration(s) of BOL-303259-X in the reduction of IOP in order to support further clinical development of an appropriate dose with regard to efficacy, and ocular and systemic safety.

Prehypertension and mild hypertension are associated with an increased risk of atherosclerosis and coronary artery disease, and often complicated with the metabolic disorder of glucose and lipid. The comprehensive prevention of hypertension is still an important and complex clinical issue. Peppermint is a popular flavoring agent, and peppermint tea help relax tension and could lower blood pressure. The effect of oral peppermint on blood pressure is not consistent, however, our previous animal study has shown that oral administration of menthol, the main component of peppermint, could reduce 24-hour mean arterial systolic and diastolic blood pressure in spontaneous hypertensive rats. Furthermore, menthol increases uncoupling protein(UCP)1 dependent thermogenesis and energy expenditure through transient receptor potential melastatin(TRPM)8 activation, and helps prevent obesity and metabolic disorders. In a prospective, double-blind, randomized, and parallel-group study, we will evaluate the effects of DANSHU capsule(menthol) on blood pressure and metabolic parameters in prehypertensive and mild hypertensive patients. This study will help develop future comprehensive prevention and treatment strategies for hypertension.

A multinational, multicenter, double-blind, randomized, placebo-controlled, Phase III study to assess the efficacy and safety of BPS 314d-MR in subjects with pulmonary arterial hypertension currently receiving treatment with an Endothelin Receptor Antagonist (ERA) and/or a Phosphodiesterase-5 Inhibitor (PDE-5 inhibitor). Approximately 100 centers will be participating in the study. Approximately 630 eligible subjects will be randomized 1:1 into two groups, BPS-314d-MR (active) or placebo study drug.

This is a single-arm, open label safety and dose titration study evaluating the use of Clevidipine to rapidly control elevated blood pressure in patients who have an Intracranial Pressure Monitoring device.

Clinical equipoise exists with respect to the important question, "What is the best initial diuretic for the treatment of Hypertension"? A pragmatic comparative effectiveness research (CER) study comparing Chlorthalidone to Hydrochlorthiazide (HCTZ) could help inform decision making for this common problem. The investigators aim to harness both the power of bioinformatics (using web-based data-capture and electronic health records) and of online media (through collaboration) in order to facilitate such a CER in "usual-care" settings. This process may also provide a foundation for testing a wealth of important clinical questions which commonly arise in the delivery of contemporary healthcare and would otherwise be left unanswered. To this end the investigators are developing a website, EBMtrialcentral, where eligible physicians can go online and join their collaborative network. Physicians can then enroll eligible patients in this study. These will include under-served urban patients. Clinical information will be entered online (using a secure database housed at Johns Hopkins), patient consent will be obtained electronically and treatment recommendations will be randomly allocated to either 25mg daily of oral HCTZ or 12.5mg daily of oral Chlorthalidone. The investigators aim to increase to 50mg HCTZ and 25mg Chlorthalidone over 8 weeks and compare their effects on BP measured with a 24 hour monitor. The investigators' primary hypothesis is that non-blinded, random, parallel allocation of 12.5mg daily Chlorthalidone (titrated to 25mg at 4 weeks) will demonstrate a clinically meaningful ≥5mmHg improvement in BP control (as measured by change in BP from baseline using 24hr ABPM) compared to 25mg daily HCTZ (titrated to 50mg at 4 weeks) in newly hypertensive patients followed in a usual-care clinic setting over 8 weeks. They will also analyze differences in side-effects or safety (serum electrolytes) between these two medications.

The Investigator would like to see if taking a DHA supplement at a dose recommended for heart health will improve brachial artery dilation (relaxation) and help blood pressure. As a second goal the Investigator would like to see if this supplement can delay preterm delivery by improving heart health. In this research study, the Investigator is asking pregnant women with chronic high blood pressure to take Expecta (DHA - Martek Biosciences, now known as DSM Nutritional Lipil) during the last half of their pregnancy until six weeks after they deliver their baby.

This study will compare the safety and efficacy of initial combination treatment with aliskiren + amlodipine to sequential add-on treatment strategies with aliskiren or amlodipine in patients with hypertension.

The STOP-HF study is a prospective, randomized, controlled trial recruiting asymptomatic individuals with risk factors for left ventricular dysfunction from 50 primary care clinics in Dublin and south east Ireland. It is designed to determine whether using natriuretic peptide measurement as a screening tool following a general cardiovascular risk factor screen will reduce the prevalence and severity of ventricular dysfunction in conjunction with specialist follow-up at St. Vincent's University Hospital.

Background: Variceal bleeding is a major cause of morbidity and mortality in patients with Non Cirrhotic Portal Hypertension (NCPH). Beta blockers (BB) and endoscopic variceal ligation (EVL) have been used to prevent rebleeding in these patients, largely based on data from cirrhotic patients. Endotherapy in the form of EST has been well studied in preventing rebleed in patients with NCPH. Initial studies showed that EST significantly reduced the rebleeding rate in patients of NCPH. Data from these studies suggests a rebleed rate of approximately 25% at 2yr and 35% at 5 years. Beta blockers have been found to be quite effective in both primary as well as secondary prophylaxis of variceal bleeding in cirrhotic and are accepted mode of treatment. In contrast to liver cirrhosis, published data on the effect of beta blocker therapy on NCPH are scanty. Animal data and human data suggests that beta blockers reduce portal pressure in patients with NCPH. In two placebo controlled trials of propranolol on secondary prophylaxis of variceal bleeding in non cirrhotic patients. both studies demonstrated the efficacy of propranolol in decreasing rebleed rate. However, no comparisons hae been made with EVL till date. Hypothesis: The investigators hypothesis that In patients with NCPH, treatment with beta blockers will lead to reduction in portal pressure and decrease in portosystemic shunting leading to reduction in variceal rebleeding Aim of the study: Aim: To compare the efficacy and safety of Propranolol and EVL in the prevention of variceal rebleeding in patients with NCPH.