Active clinical trials for "Hypertension"

Multi-center, double-blind, placebo-controlled, randomized, parallel study comparing continuous intravenous (IV) Remodulin® to placebo in patients with pulmonary arterial hypertension either primary (PPH) or associated with human immunodeficiency virus (HIV) infection or collagen vascular disease).

This study comprises a 3- to 6-week hydrochlorothiazide run in phase, followed by a 12 week double-blind treatment phase, followed by a 2 week single-blind follow-up hydrochlorothiazide treatment phase. The combined total duration of patient participation is approximately 17-20 weeks. Four double-blind treatment groups approximately equal in size (98) will comprise the study population: placebo or various alagebrium dose groups (10, 50, or 150 mg/day).

This research project is about a physical activity intervention in pediatric outpatients to try control and prevent heart diseases such as hypertension, obesity, high cholesterol.

In this study, investigators will compare chronotherapy to ABPM. Data collected will include hypertension drug therapy regimen prior to and during the study, timing of medication administration, and dose, along with the patient's office blood pressure values prior to study and one month after modification in therapy. This will enable us to explore whether it is a practical endeavor to implement ABPM as a routine process for all uncontrolled hypertension patients or whether ABPM does not seem to provide considerable value over shifting the timing of drug administration.

The purpose of this study is to characterize the clinical and hemodynamic response of Pulmonary Arterial Hypertension (PAH) therapy in patients with atypical PAH and risk factors for left heart disease.

The purpose of this study is to test the hypothesis that isosorbide mononitrate prevents deterioration of renal function in patients receiving anti-angiogenic therapies that target vascular endothelial growth factor (VEGF).

The investigators working hypothesis is that human hypertension is in part due to a derangement in the endocrine function of the heart - a primary or secondary mechanism - resulting in a relative deficiency of the natriuretic peptides (NP). The remodeled hypertensive heart could result in altered processing and degradation of B-type NP resulting in altered molecular forms with decreased biological activity. The investigators further hypothesized the chronic administration of BNP in subjects with hypertension, is feasible, safe and will induce a sustained reduction in blood pressure.

To demonstrate a dose response for 1 mg, 5 mg and 20 mg TID oral sildenafil for the treatment of subjects with PAH.

A randomised controlled trial to assess the impact of femoral artery block on the incidence of tourniquet hypertension in patients receiving cruciate ligament surgery with > 30 minutes of tourniquet under combined anaesthesia (balanced general anaesthesia and femoral nerve blocks).

STEP-Pre is to investigate the benefits of using anti-hypertensive drugs in the population with a blood pressure of 130-139/80-89 mmHg and evaluate the health economics. STEP-Pre is a multi-center randomized clinical trial. The cohort will be randomized into the treatment group or control group with a 1:1 ratio. The treatment group will take anti-hypertensive medicine to control blood pressure under 130/80 mmHg. Both groups will take health care education. STEP-Pre will last 4 years.