Nifedipine

The original, "Cut Your Pressure Too: The LA Barbershop Blood Pressure Study (LABBPS)" (NCT02321618) was a highly successful cluster-randomized trial of a community centered blood pressure (BP) reduction program focused on Non-Hispanic (NH) black men who experience the highest rates of hypertension (HTN) and its complications. Patrons of 52 barbershops in Los Angeles County were randomly assigned to either an intervention arm in which barbers encouraged meetings with trained clinical pharmacists who provided HTN treatment in the barbershops or a control arm in which barbers provided educational pamphlets on HTN and encouraged physician appointments. After 6 months, the intervention group had a statistically significant reduction in systolic BP (SBP) of 21.6 mmHg compared to the control group. Results were durable at 1 year. Thereafter, a pilot study (NCT03726710) aimed at improving the efficiency of the barbershop model of HTN care by substituting in-person visits with video visits once BP was at goal was undertaken in 10 hypertensive barbershop patrons. The intervention effect was unchanged. The current study represents Aim 3 of an NIH funded renewal application entitled, "Barber and Pharmacist Coordination to Improve Blood Pressure Management in Black Men." It will build upon the foundational work of the original study and telemedicine pilot by evaluating the efficacy of a fully remote hypertension management program.

High blood pressure, also called hypertension, raises the risk of heart disease, stroke, and kidney disease. Medications work well for many people, but some people still have blood pressure that stays too high, or they have side effects from their medications. Researchers are looking for treatments that do not involve taking more medication. Nerves help control blood pressure by changing how blood vessels tighten and how hard the heart pumps. Because of this, treatments that act on nerves may be able to lower blood pressure. Spinal cord stimulation is a treatment already used to manage long-term pain. It uses a small device, placed under the skin during a standard operation, that sends mild electrical signals to the spine. Laboratory studies suggest that stimulating the lower part of the mid-back may also lower blood pressure, but this has not been carefully studied in people who already use these devices. This study will look at whether changing the settings on a spinal cord stimulator affects blood pressure. About 11 adults who have high blood pressure and who already have a spinal cord stimulator for long-term pain. No new device will be placed, and no surgery or other invasive procedure will be done for this study. Participants attend a series of study visits. At each visit, trained staff record blood pressure and heart rate while the stimulator is turned on, turned off, and set to other settings that the person's care team has approved and that the person finds comfortable. There are rest breaks between each setting. Over successive visits, the study team works to identify the settings that best lower blood pressure. Participants can stop at any time, and their usual settings are restored at the end of each visit. The study will also look at whether this kind of testing is practical and comfortable for participants. The results will help researchers decide whether larger studies of spinal cord stimulation for blood pressure control are worth doing.

This prospective open-label matched-control pilot study evaluates whether inhaled treprostinil improves exercise pulmonary vascular resistance and functional outcomes in adults with interstitial lung disease or connective tissue disease and exercise-induced pulmonary hypertension. Participants will receive inhaled treprostinil plus standard care or standard care alone and will be followed for 6 months, with an optional extension to 12 months.

A Phase 3, Multicenter, Randomized, Double-Blind Placebo-Controlled Trial to Evaluate the Safety and Efficacy of Inhaled Mosliciguat in Participants with Pulmonary Hypertension Associated with Interstitial Lung Disease

The researchers will invite 30 patients in primary care who have high blood pressure to participate in this health program with a supportive partner of their choosing (these will be the "participant pairs"). Participant pairs will be invited to complete the Heart Care Pairs health program that will include up to six sessions each including 1) some education on a health habit like physical activity and heart healthy foods, 2) goal setting together, and 3) talk about healthy communication to support one another with heart healthy habits. The researchers will work with participants to address things that get in the way of coming for visits like offering transportation and offering telehealth visits. The researchers are seeing how this program works in real life so participants will be asked to complete as many sessions as they want to and can attend. The researchers will be interested in what participants think about the sessions, if they were satisfied with the visits, and if they would recommend the program to others in their community. The researchers will ask these questions in interviews with participants. The researchers will also ask up to 25 primary care workers about how they view the program as helpful to their work with patients with high blood pressure and whether they would refer more patients to the program in the future.

Vascular risk factors drive stroke, heart disease, and dementia, but translating lifestyle guidelines into routine clinical care remains challenging. To address this, we developed BASIC-S (Blood Pressure, Activity, Sleep, Interaction, Consumption, and Support), a framework targeting Blood pressure, Activity, Sleep, Interaction (socially), Consumption (nutrition), and Support using partner support and motivational interviewing. This individual-focused approach bypasses the logistical and financial barriers of complex clinical interventions by using sustained behavioral science to support gradual lifestyle changes. This study is a single-center, mixed-methods, cluster-randomized pilot trial evaluating the feasibility of the BASIC-S protocol in an occupational setting. A maximum of 60 households (120 participants) will be randomized 1:1 to either the BASIC-S intervention (motivational coaching, secure video check-ins, automated text messages, and a digital workbook) or standard care. Outcomes will assess feasibility, acceptability, and the validity of new tracking metrics to inform a future full-scale trial.

Extreme heat events are becoming more frequent, intense, and prolonged, increasing the risk of heat-related illness among workers performing physically demanding work in hot environments. Occupational heat-stress guidelines use work-rest schedules to limit increases in core temperature and physiological strain, but they do not clearly define the safe maximum duration of continuous work before heat-mitigation controls should begin, known as the initial stay time. Recent work has generated initial stay time recommendations for young and older workers performing moderate-intensity work in the heat; however, these recommendations were developed under normoxic conditions. In many workplaces, heat may occur alongside additional stressors such as hypoxia, including work at altitude or in oxygen-reduced environments. Hypoxia can increase cardiovascular strain, reduce arterial oxygen saturation, and impair exercise tolerance, potentially compromising heat-stress guidance developed under normal oxygen conditions. Older workers may be especially vulnerable because of age-related reductions in thermoregulatory and cardiovascular function. It remains unclear whether hypoxia increases physiological strain during work in the heat or whether current initial stay time and recovery recommendations remain protective under combined heat and hypoxic stress. The primary objective of this study is to determine whether hypoxia increases physiological strain during moderate-intensity work in the heat in young and older males. Specifically, the study will assess whether normoxia-derived initial stay times and recovery recommendations for work at 29°C wet-bulb globe temperature (37.5°C, 35% RH) remain effective during exposure to 14% inspired oxygen, simulating approximately 3000 m altitude. Healthy young and older males will complete two simulated occupational heat exposures: heat alone and heat plus hypoxia. Participants will perform moderate-intensity treadmill work based on age-specific initial stay times, followed by prescribed work-rest cycles and seated recovery. Core temperature, cardiovascular strain, oxygen saturation, skin temperature, hydration status, perceptual responses, mood, environmental stress symptoms, and cognitive function will be assessed to determine whether hypoxia modifies responses to work in the heat. Findings will help determine whether occupational heat-stress guidance requires refinement for workers exposed to combined heat and hypoxic stress.

The goal of this clinical trial is to evaluate whether a short, supervised isometric handgrip exercise program is feasible and acceptable for older adults with elevated blood pressure or hypertension. It will also explore whether this type of exercise may improve blood pressure and cognitive function. The main questions it aims to answer are: * Is this handgrip exercise program practical and acceptable for older adults to participate in within a community exercise setting? * Does participation in the program lead to changes in blood pressure and cognitive function? Researchers will compare two handgrip devices to determine whether the method of delivering the exercise influences feasibility and outcomes. Participants will: * Be randomly assigned to use one of two handgrip devices. * Complete supervised exercise sessions twice per week for 4 weeks. * Perform brief handgrip contractions at a set intensity during each session. * Complete blood pressure and cognitive assessments before and after the program.

Hypertension is the leading cause of preventable deaths globally, driven by complications such as myocardial infarction, stroke, heart failure, and kidney disease. Recent updates in hypertension classification by the American Heart Association (AHA) place nearly half of the U.S. population in the hypertensive category. Excess dietary salt is a major risk factor for hypertension, with 50% of hypertensive individuals exhibiting salt-sensitivity of blood pressure (SSBP). SSBP is an independent predictor of cardiovascular events and death. While kidney mechanisms in salt-sensing have been extensively studied, emerging evidence suggests that immune cells can also sense sodium (Na+). This trial hypothesizes that myeloid cell-derived isolevuglandins (IsoLGs) drive endothelial dysfunction, perpetuating the salt-sensitive phenotype. Preliminary data indicate that targeting IsoLGs with the IsoLG scavenger 2-hydroxybenzylamine (2-HOBA) may interrupt this immune-vascular axis, reducing salt sensitivity and associated cardiovascular risks. This phase 2 clinical trial aims to investigate the role of 2-HOBA in modulating immune cell function within blood vessels in hypertensive patients. The study will explore the impact of immunity on salt sensitivity and assess 2-HOBA's potential to reduce endothelial dysfunction, improve immune cell activation, and alleviate SSBP.

Strategies targeted to optimize hypertension (HTN) control for midlife women after hypertensive disorders of pregnancy (HDP) have not been studied, despite evidence of a critical need. This proposal targets the 10-20 years postpartum as a key time when women have subclinical cardiovascular (CV) sequelae of uncontrolled HTN and are primed for CV prevention interventions. Before proceeding with large-scale intervention trials of a home blood pressure monitoring (HBPM) and coaching intervention following HDP, further pilot testing is necessary. The overarching hypothesis of this proposal is that a new monitoring and treatment paradigm utilizing HBPM combined with a virtual coaching intervention would be better than standard of care for mid-life women with prior HDP who develop HTN. Women will be assigned in an unblinded manner to the intervention or standard of care control group.

The goal of this clinical trial is to learn if screening for atrial fibrillation (AFib), a common irregular heart rhythm, through daily home blood pressure monitoring will decrease the time to atrial fibrillation diagnosis in older adults with hypertension. The main question it aims to answer is: \-- Does introducing screening for AFib using a blood pressure monitor with AFib detection technology decrease time to AFib diagnosis in patients with high blood pressure, compared to usual care using a conventional home blood pressure monitor with no AFib detection? Participants will participate in two phases of the study: (1) clinical trial and (2) the registry. During the 6-month clinical trial period, participants will be asked to: * Take blood pressure measurements twice daily * Answer short weekly mobile app-based surveys * If assigned, complete continuous heart monitoring for 2 weeks and complete 1 blood test During the 12-month registry period, participants will be asked to: * Take blood pressure measurements twice daily * Answer monthly mobile app-based surveys Researchers will compare standard blood pressure measurements and AFib screening blood pressure measurements to see if there is a difference in the time to AFib diagnosis and other cardiovascular events. Participants will participate in two phases of the study: (1) trial and (2) the registry. During the 6-month trial period, participants will be asked to: * Take daily blood pressure measurements * Answer short weekly mobile app-based surveys * If assigned, complete continuous heart monitoring for 2 weeks and complete 1 blood test During the 12-month registry period, participants will be asked to: * Take daily blood pressure measurements * Answer monthly mobile app-based surveys

This study plans to learn more about heart function among individuals with chronic obstructive pulmonary disease (COPD). In particular, the investigators want to understand the different patterns of right ventricular response during rest and moderate- vs high-intensity exercise. By identifying patterns of right ventricular dysfunction, this study will help identify better treatments for patients with COPD in the future.