Active clinical trials for "Hypertension"

This study investigated the effects of LCZ696 on insulin sensitivity, lipolysis, and oxidative metabolism in obese hypertensive subjects.

On exposure to hypoxia (low oxygen) the normal response is for pulmonary arterial systolic blood pressure (PASP, blood pressure through the lungs) to increase. We have previously shown that raising iron by giving an infusion of iron into a vein reduces this pressure rise and that lowering iron by giving a drug that binds iron, magnifies this response. This is potentially a clinically important observation since iron-deficient people may be at increased risk of pulmonary hypertension if exposed transiently or permanently to hypoxia due to lung disease or residence at high altitude; furthermore if this were true then intravenous iron could be an important treatment in this patient group in the event of hypoxic exposure. The observed effects of iron on PASP are likely to be because iron levels affect oxygen sensing. Low iron levels make the body behave as if exposed to low oxygen by inhibiting the breakdown of the family of oxygen-sensing transcription factors, 'hypoxia inducible factor' or HIF. This includes one of the body's normal responses to low oxygen levels - raising blood pressure through the lungs. This study will answer the question (1) do iron-deficient volunteers have a greater rise in PASP with hypoxia than those who are iron-replete, and (2) does giving intravenous iron cause a greater reduction in the rise in PASP in those who are iron-deficient than iron-replete? The purpose of this study is not to test the safety or clinical efficacy of iron which is already known.

The prevalence of hypertension among U.S. adults increased from 32% to 46% and African Americans are disproportionately impacted. Self-managing hypertension presents challenges such as dealing with complex treatment regimen, including critical components of recommended hypertension treatment such as self-blood pressure monitoring, and lifestyle modifications involving diet, exercise, and tobacco cessation. African Americans with hypertension have lower adherence to self-management behavior due to multifactorial reasons. Substantial evidence has demonstrated the important role of community support in improving patients' self-management of a variety of chronic illnesses, though integrating technology in such programs are rarely offered. The purpose of this study is to investigate the effectiveness of a community outreach program using a technology-based intervention (TBI) to support self-managing hypertension (called COACHMAN) to improve BP control.

The Carter Burden Network (CBN) is an New York City senior services agency, providing vital meal programs for low-income, minority seniors, age 60 and over. In 2016, CBN formed a community-academic partnership with The Rockefeller University (RU) and Clinical Directors Network (CDN) to conduct a Healthy Aging pilot study and found that 84% of participants had high blood pressure, with up to 27% "uncontrolled" using age-adjusted criteria. High blood pressure is a modifiable risk for cardiovascular disease, and has been readily improved in controlled trials by replacement of a typical Western diet with the Dietary Approaches to Stop Hypertension (DASH) diet. The DASH diet has been proven to meaningfully reduce blood pressure in as little as 14 days. However, the DASH diet has not been tested in seniors, in the setting of senior centers. Many seniors attending CBN centers receive close to 40% of their daily nutrition through congregate meals served there. This study tests the effectiveness of implementing the DASH-diet through modification of congregate meals at CBN senior centers to align with DASH, while providing educational and behavioral support, including home self-monitoring of blood pressure, to improve self-efficacy related to blood pressure management. The primary outcome is the change in systolic blood pressure.

The objectives of the proposed project are to evaluate the implementation and effectiveness of two multi-faceted community and clinic-based strategies on the control of elevated blood pressure (BP) among adults in Vietnam via a cluster-randomized trial design. Sixteen communities will be randomized to either an intervention (8 communities) or comparison group (8 communities). Eligible and consenting adult study participants with HTN (n = 680) will be assigned to intervention/comparison status based on the community in which they reside.

High blood pressure is a leading risk factor for cardiovascular and kidney disease, yet is uncontrolled in half of affected individuals, and specifically older adults. The investigators have developed an automated program for patient education and personalized assistance of systematic home BP self-monitoring. Reports are sent to primary care providers at regular intervals. This investigation will collect pilot data on feasibility and effectiveness in older adults with and without a caregiver.

In summary, the investigators propose to study elite Croatian breath-hold and SCUBA divers. The investigators will quantify breath-hold hypoxia- and SCUBA diving-induced pulmonary hypertension and right heart function to investigate the relationships between PFO and IPAVA blood flow. The investigators will use a placebo-controlled intervention (sildenafil) to reduce pulmonary arterial pressure in these subjects to examine the impact of the change in pressure (or absence of change) on the relationships determined above.

The purpose of this research study is to compare the effect of Latanoprostene Bunod and Timolol on eye pressure and blood vessels of the back of the eye.

The purpose of this study is to evaluate the efficacy and safety of a proprietary nutraceutical supplement in capsule form over 4 months in treating blood pressure in a group of chronic hypertensive subjects that are not receiving any pharmaceutical anti-hypertensive agents or other nutraceutical supplements.

Blood pressure (BP) reduced significantly after listening to Indian music among prehypertensives and hypertensives in all subjects who were given a musical piece composed on raga 'bhimpalas' (raga that normalizes BP) to be heard daily for 3 months. On retrospection into the methodology, the effect of a single raga (Bhimpalas) alone had been tested. Heart rate variability (HRV) recorded once on recruitment and followed up after 3 months failed to show any change. The acute effect of music on HRV while listening to raga bhimpalas, and the effect of all ragas listed in Gandharva veda had not been tested. Respiratory rate was not controlled (affects HRV) and EEG waves were not studied.