Hypotensive disorder

This study compares giving norepinephrine continuously versus as needed to prevent low blood pressure during anesthesia in high-risk non-cardiac surgery patients. About 446 adults aged 45 and older with certain risk factors will participate. The goal is to see which method better…

This study tests a device called the Hypotension Prediction Index (HPI) that warns doctors when a patient's blood pressure is about to drop dangerously low after surgery. 210 adults having elective surgery under general anesthesia will be randomly assigned to either standard moni…

This study tests whether taking a daily fiber and magnesium supplement (WellBiome) for 6-8 weeks before heart surgery can improve recovery. Researchers will compare ICU time, complications, and hospital stay between 80 patients who get the supplement or a placebo. The goal is to …

This large phase 3 trial is testing whether adding vicadrostat to the existing drug empagliflozin can reduce the risk of heart problems in adults with type 2 diabetes, high blood pressure, and heart disease. About 11,800 participants will take either the combination or a placebo …

This study looks at the long-term safety of the drug pelacarsen in people with high lipoprotein(a) and heart disease. About 5,700 participants who finished a previous pelacarsen trial will receive the drug and be monitored for side effects and heart events. The goal is to see if …

This study tests whether giving the oral drug midodrine early to sepsis patients with low blood pressure can help them stop needing IV blood-pressure medications sooner. Researchers will compare standard care plus midodrine to standard care alone in 308 adults. The goal is to see…

This study is testing a digital app called VIRTUES that provides educational resources and treatment recommendations for heart conditions like atrial fibrillation and heart failure. Researchers will enroll 2000 patients across 11 modules to see if the app is easy to use and helps…

This phase 3 trial is testing whether adding baxdrostat to the standard drug dapagliflozin can better prevent heart failure and cardiovascular death in people with type 2 diabetes who already have heart disease and high blood pressure. About 11,300 participants will receive eithe…

This study tests whether a special activity score, calculated from heart rate data, can help people who have completed cardiac rehab stick to exercise guidelines. About 318 participants will wear a smartwatch for 4 months and do an exercise test at the end. Researchers will compa…

This study tests a special software called the Hypotension Prediction Index (HPI) that helps doctors predict and prevent low blood pressure during major aortic surgery. The trial involves 200 adults undergoing elective open or endovascular abdominal aortic surgery expected to las…

This study tests whether text messages can help people who have finished cardiac rehab keep up healthy habits like weight management, physical activity, and taking medications. Researchers will enroll 400 people from groups often left out of heart research. The study compares dif…

This study tests whether giving the drug norepinephrine early and adjusting the dose quickly can improve survival in adults with septic shock. Researchers will compare this approach to standard care with a placebo. Six hundred participants will be monitored for 28 days to see if …

This study tests whether genetic testing can help veterans at high risk for heart disease start and stick with statin medications. About 410 veterans aged 40-75 with diabetes or heart disease who are not currently taking statins will receive either a genetic report on their stati…

This study tests whether adding digital coaching to home-based cardiac rehabilitation helps veterans complete more rehab sessions and improve their heart health. 150 veterans with heart disease will be randomly assigned to standard home rehab or home rehab plus a private social m…

This study looks at whether people at moderate risk for heart problems should continue or stop taking aspirin before a colonoscopy. About 2,500 participants will be randomly assigned to take either aspirin or a placebo for a few days around the procedure. The goal is to see which…

This pilot study tests two medicines, dopamine and norepinephrine, in 30 full-term or near-term newborns with low blood pressure and lung problems caused by pulmonary hypertension. The goal is to see which drug better improves blood flow and oxygen levels. Results could help doct…

This study tests a program called CVD-FIT for African American adults who struggle to afford food and are at risk for heart disease. Participants get monthly income support, weekly incentives to buy healthy food, and phone-based education on heart health. The goal is to see if th…

This study is testing whether giving air conditioners and a $100 electricity subsidy to older adults in Boston neighborhoods can reduce heat stress, heat strain, and related health problems. One hundred participants aged 55-95 who don't have AC will be randomly assigned to receiv…

This study tests whether giving a medicine called noradrenaline through a vein during surgery can prevent dangerous drops in blood pressure better than usual care. About 750 adults aged 45 and older having non-cardiac surgery will take part. The goal is to see if this approach re…

This study tests whether angiotensin II, a drug that narrows blood vessels, can safely and effectively treat dangerously low blood pressure after heart surgery. About 100 adults undergoing heart surgery with a heart-lung machine will receive the drug as a first-line treatment. Re…

This study tests whether bempedoic acid, a cholesterol-lowering drug, can reduce artery inflammation and improve heart health in people with HIV. About 121 adults aged 40 and older with well-controlled HIV and at least one heart disease risk factor will receive either the drug or…

This phase 3 trial is testing three approaches to rapid sequence induction (RSI) in the operating room: propofol alone, ketamine alone, or a combination of both. The goal is to find which option gives the best balance—successful intubation on the first try without causing a dange…

This early study tests a spinal cord stimulation therapy called ARC-IM in 5 people with Parkinson's disease or related conditions who experience severe drops in blood pressure when standing (orthostatic hypotension). The main goal is to check safety, and researchers will also mea…

This study tests a minimally invasive procedure to open narrowed veins above the heart in people with orthostatic hypotension or intolerance—conditions that cause dizziness, fainting, or fatigue when standing. 100 adults who haven't improved with standard treatments will receive …

This study compares two drugs, norepinephrine and phenylephrine, given as continuous infusions to maintain blood pressure during planned C-sections under spinal anesthesia. 140 healthy pregnant women will receive one of the two drugs, and researchers will measure effects on the b…

This study is testing a special mattress that can measure heart rate, breathing, temperature, and body position without touching the patient. It is designed for people with heart disease who are in the hospital. The goal is to see if this wireless system works as well as standard…

This study checks if a quick, non-invasive finger test (QuantaFlo HD) can detect early signs of heart dysfunction. Researchers will compare the finger test results with standard heart ultrasound measurements in 600 adults who have risk factors like high blood pressure or diabetes…

This study tests a smartphone app designed to help people prepare for heart surgery through exercise, nutrition tips, and telehealth check-ins. About 40 adults awaiting surgery will either use the app or receive standard care. Researchers want to see if the app is easy to use, ac…

This study tests two different stitch materials (PDS and Vicryl) for closing groin incisions after planned vascular surgery. About 259 adults will be randomly assigned to one stitch type or the other. The goal is to see which material leads to fewer wound problems.

This study tests whether diaphragmatic breathing exercises can reduce heart rate, blood pressure, and dizziness in pregnant women with Postural Orthostatic Tachycardia Syndrome (POTS). 44 pregnant women will be split into two groups: one doing breathing exercises, the other recei…

This study compares two types of dialysis fluid—citrate-based versus acetate-based—to see which one causes fewer blood pressure drops during dialysis in intensive care unit (ICU) patients. About 48 adults with acute kidney failure who are at risk for low blood pressure will take …

This study tests whether a daily movement program led by a kinesiologist can reduce frailty in 60 hospitalized heart patients. Frailty makes people weaker and more likely to have longer hospital stays or be readmitted. The program encourages simple activities like standing, walki…

This study looks at whether breathing air with a little extra carbon dioxide can help people with neurogenic orthostatic hypotension (NOH) — a condition where blood pressure drops sharply upon standing, causing dizziness and fainting. Researchers will test this in 80 adults (pati…

This study looks at giving hydrocortisone, a steroid, to newborns with brain injury from lack of oxygen who are being cooled and have low blood pressure. Researchers want to find the best dose for each baby by measuring steroid levels in the blood. The goal is to safely raise blo…

This study looks at whether carbonated water can help people stay steady on their feet and avoid fainting. Drinking water is known to raise blood pressure, but researchers want to see if the bubbles in carbonated water add an extra benefit by stretching the stomach. 25 healthy ad…

This study tests whether a 5-minute mindfulness-based breathing exercise, done just before spinal anesthesia, can reduce the common drop in blood pressure and ease anxiety in women having a planned C-section. Half of the 150 participants will do slow, guided breathing (about 6 br…

This study tests whether adding a program that targets sleep and stress (called RESST) to standard cardiac rehabilitation helps heart patients recover better. About 200 adults with heart conditions who also have poor sleep or high stress will take part. Researchers will measure s…

This study tests whether giving less or more IV fluids during a planned C-section helps reduce nausea and vomiting after surgery and helps the bowels recover faster. About 160 women having planned C-sections under spinal anesthesia will take part. The goal is to find the best flu…

This study tests a web-based app called IAMABLE that provides evidence-based rehabilitation strategies for people with chronic conditions like heart disease, arthritis, or neurological disorders. Fifty adults aged 45 to 75 will use the app for 4 months to set goals and learn abou…

This study compares two types of ultrasound-guided nerve blocks (supra-inguinal and infra-inguinal fascia iliaca blocks) in 60 adults aged 30-60 undergoing thigh or knee surgery. The goal is to see which block makes it easier for patients to get into position for spinal anesthesi…

This study looks at whether changing the ratio of carbidopa to levodopa in standard Parkinson's medication can reduce orthostatic hypotension—a sudden drop in blood pressure when standing that causes dizziness and fainting. Researchers will give 36 patients with Parkinson's disea…

This study tests whether a type of talk therapy called Behavioral Activation, delivered via home-based telehealth, can improve social functioning and mood in veterans recently discharged from the hospital for a heart condition. About 132 veterans with depression will receive eith…

This study compares two drugs, dexmedetomidine and dexamethasone, when added to a standard local anesthetic (ropivacaine) for a nerve block in the shoulder area. The goal is to see which combination provides faster pain relief for patients undergoing arm surgery. 66 adults aged 1…

This study tests whether a non-invasive spinal cord stimulation device can improve autonomic functions like blood pressure, bladder, bowel, and sexual control in people with chronic spinal cord injury. Thirty participants will receive targeted stimulation over several weeks. The …

This study compares a women-only cardiac rehabilitation program to the standard mixed-gender program for women with heart disease. Sixty women aged 40-80 will attend 36 sessions over 12 weeks, with extra women-focused education. Researchers will measure attendance, completion rat…

This study compares two ultrasound-guided nerve blocks—supra-inguinal fascia iliaca block and pericapsular nerve group block—to see which one better reduces pain when positioning patients for spinal anesthesia during femur fracture surgery. Seventy adults with a broken femur will…

This study tests a program called One-Mind One-Heart that combines mindfulness and behavior change skills to help older adults with HIV reduce stress and improve heart health. The program includes text messages and covers topics like physical activity, diet, and substance use. Th…

This study tests whether a standardized, step-by-step protocol for giving blood thinner injections (low-molecular-weight heparin) can reduce bruising and pain in heart patients. About 180 patients in cardiac care units will be randomly assigned to receive injections either by the…

This study tests whether gentle electrical stimulation on the back can help stabilize blood pressure in people who recently had a spinal cord injury. Participants will undergo sit-up tests with and without stimulation to see if it prevents dizziness and keeps blood pressure in a …

This study tests whether mild electrical stimulation on the back can help stabilize blood pressure in people with chronic spinal cord injury who experience dizziness or fainting when sitting up. Five participants will have their blood pressure measured while tilted on a table, wi…

This study explores whether a small accelerometer worn on the thigh can objectively measure how well treatments work for neurogenic orthostatic hypotension—a condition causing dizziness and fainting upon standing. Participants wear the device for one week on placebo and one week …

This registry study will enroll 200,000 high-risk cardiac patients to see how well an AI platform called Willem can detect heart problems from standard ECGs. The AI's readings will be compared to expert cardiologist diagnoses, but the AI results won't be shared with doctors, so p…

This study aims to learn more about how diseases related to blood clots, the immune system, and blood vessels start and change over time. Researchers will enroll up to 1,000 people aged 5 and older, including those with these conditions, their healthy relatives, and healthy volun…

This study aims to learn more about heart and blood vessel diseases by observing people who have them or are at risk. Researchers will collect samples and perform tests like imaging and stress tests on up to 5,000 participants, including healthy volunteers and relatives of affect…

This study looks at how blood pressure changes in the first year after a spinal cord injury and whether a device that stimulates the spine through the skin can help. Five people with recent injuries will be followed for a year, testing the stimulation during sessions to see if it…

This study looks at whether keeping a patient's blood pressure within their personal safe range during heart surgery can reduce brain problems like confusion, stroke, or memory issues. Researchers will monitor 500 patients having heart surgery and track their blood pressure and b…

This study, called CEPEC, is a large platform trial enrolling 5,500 ICU patients across multiple countries. It tests different approaches to three common ICU treatments: how low to let blood pressure go with vasopressors, when to give platelet transfusions, and how to provide nut…

This study creates a large database of about 12,000 people with and without heart disease. Researchers collect medical information and blood samples to analyze factors that influence heart conditions like coronary artery disease, heart failure, and stroke. The goal is to better u…

This study looks at medical records of 1,000 older heart patients in Russia to see if they were prescribed potentially harmful medications during the COVID-19 pandemic. Researchers will use a medical database to count how often these risky prescriptions happened and check for dan…

This study is creating a large collection of blood, urine, stool, and heart tissue samples from 10,000 people with and without heart or metabolic conditions. The goal is to store these samples along with medical information to speed up future research into what causes these disea…

This study is testing whether simple nutritional checks before heart surgery can predict how well patients recover. Researchers will give 250 patients questionnaires, blood and urine tests, and measure grip strength and body composition. They will then see if these measures are l…

This study is collecting medical data and biological samples from people with genetic conditions affecting the heart and blood vessels, their relatives, and healthy volunteers. The goal is to better understand these diseases, improve diagnosis, and lay the groundwork for future t…

This study tests whether a wearable Holter monitor can detect early signs of fainting in people with orthostatic hypotension or reflex syncope. Forty adults who have already had a tilt-table test will wear the monitor for up to 21 days. The goal is to see if the device can pick u…

This study looks at whether people with type 2 diabetes, COPD, or heart disease who join a health program in Halsnaes Municipality improve their physical function and well-being. About 194 adults will be tracked before and after the program using tests and questionnaires. The goa…

This study will collect routine data from 100 adult ICU patients to build a machine learning model that predicts low blood pressure (hypotension) up to 30 minutes before it happens. The model uses non-invasive vital signs, heart rate, medication records, and fluid balance. No tre…

This study follows 300 people who had hospital-acquired pneumonia to see how it affects their heart and lungs over 18 months. Researchers will take blood samples, swabs, and perform heart and lung tests to understand the link between pneumonia and later cardiovascular problems li…

This study is testing a comprehensive MRI scan to see if it can better diagnose different heart conditions. Researchers will scan 2,000 adults with suspected or confirmed heart disease. The goal is to create a standard imaging method that improves early detection and risk predict…

This Mayo Clinic study measures how well the autonomic nervous system works after spinal cord injury. Researchers will test blood pressure control and nerve responses in 69 people with and without injury. Participants also wear a smartwatch to track skin signals, heart rate, and …

This study looks at whether doctors can rely on feeling a patient's pulse (in the neck, groin, or wrist) to know if their blood pressure is dangerously low during shock. Researchers will compare pulse checks with standard blood pressure readings in 5,000 critically ill adults in …

This study is testing whether a continuous glucose monitor (CGM) designed for diabetes can work in intensive care patients with septic shock. Currently, nurses must prick patients' fingers every 2 hours to check blood sugar, which is painful and disruptive. The CGM uses a small s…

This study is testing whether artificial intelligence can predict if someone will develop one of five common diseases: diabetes, heart disease, breast cancer, back pain, or arthritis. Researchers will collect health data from 1,000 adults aged 30 to 60, including medical records,…

This study at Mayo Clinic looks at how renin, a protein in the blood, changes when patients are on the heart-lung machine during open heart surgery. Researchers want to see if renin levels can help guide treatments for low blood pressure. The study will enroll 100 adults having e…

This study uses advanced heart MRI to see how bariatric surgery and cardiac rehabilitation change the heart's structure and function. Researchers will scan 150 adults before and 6-12 months after these metabolic treatments. The goal is to understand how the heart adapts to these …

This study will use a new type of cardiac MRI to look at the heart's microscopic structure in 1,000 people—both healthy volunteers and those with various heart conditions. The goal is to see if this advanced imaging can detect early signs of heart damage better than standard test…

This study is building a huge database of up to 800,000 Korean patients with heart or brain vascular disease. By tracking their health over many years, researchers hope to understand the unique patterns and risk factors in this population. The goal is to create a platform that ca…

This study looks at how blood pressure changes when standing affect thinking and brain blood flow in people with Parkinson's disease. About 60 participants, with and without orthostatic hypotension (low blood pressure on standing), will take thinking tests while lying down and st…

This study aims to create a new scoring system (SOFA-OBS) that better predicts death risk for pregnant and postpartum women in intensive care. Researchers will collect routine data from 130 patients and test if a simple pulse oximeter can replace painful blood draws. The goal is …

This study is creating a large biobank of blood, DNA, plasma, and tissue samples from 15,000 people with and without heart and aortic diseases. Researchers will use this information to better understand conditions like aortic aneurysm, heart failure, and bicuspid aortic valve. Th…

This study aims to develop better MRI methods for imaging the heart and brain, and to describe heart diseases using these new techniques. It will also investigate whether gadolinium, a common MRI contrast agent, stays in the body long after use. Up to 5,000 healthy volunteers and…

This study will use advanced heart MRI scans on up to 100,000 people with known or suspected heart disease. The goal is to learn how these scans can help doctors better understand, diagnose, and treat different heart conditions. Researchers will track participants' health over ti…

This study creates a large collection of blood, tissue, and medical information from up to 5,000 people with or at risk for pediatric heart disease. Researchers will use these samples to better understand the disease and find new ways to diagnose or treat it in the future. Partic…

This study takes tissue samples from women having planned C-sections and tests four drugs (ephedrine, phenylephrine, norepinephrine, vasopressin) in a dish to see how they affect womb muscle and umbilical blood vessels. The goal is to understand which drugs might be safer for mot…

This study looks at whether two simple calculations using heart rate and blood pressure can predict which women will experience low blood pressure after receiving spinal anesthesia for planned C-sections. Researchers will monitor 300 women and track how often low blood pressure o…

This study compares general anesthesia alone versus general anesthesia plus an epidural during pancreatic surgery. The goal is to see which method causes fewer drops in blood pressure and leads to better recovery. About 206 adults scheduled for surgery will take part.

This study is testing a tool called B-COMPASS that uses a 22-question survey to predict whether people will follow their prescribed treatments. Researchers will enroll 3100 adults with cardiovascular, endocrine, immune, nerve, cancer, or rare diseases across Europe. The goal is t…

This study looks at whether waist size, body mass index (BMI), and a heart-related index can predict low blood pressure after spinal anesthesia during cesarean sections. Researchers will measure 321 pregnant women before their scheduled C-section and track blood pressure changes.…

This study is testing whether giving probiotics after heart surgery can improve recovery by changing the bacteria in the gut. Researchers will measure certain chemicals in the blood that come from gut bacteria. The trial involves 30 adults scheduled for heart surgery, who will re…

This study is testing whether measuring skin conductance—a sign of nervous system activity—can predict dangerous drops in blood pressure after spinal anesthesia in elderly cancer patients. Researchers will monitor 102 patients aged 65 and older undergoing urologic cancer surgery.…

This study looks at whether giving paracetamol through a vein during emergency belly surgery causes a drop in blood pressure. Researchers will monitor 90 adults having this surgery to see how their blood pressure changes. The goal is to help doctors choose safer pain relief optio…

This study tests two common blood-pressure-raising drugs, noradrenaline and phenylephrine, in 32 people undergoing brain tumor surgery. The goal is to see which drug better maintains blood flow and oxygen delivery to the brain and other organs. Researchers will use PET scans to m…

This study collects blood samples from 1500 adults at risk for heart disease to discover new biomarkers that can predict future heart attacks, strokes, or blocked leg arteries. Participants are seen at a specialized prevention center and provide samples and health data at the sta…

This study looks at how the body controls blood pressure and heart rate in healthy young adults and older adults with high blood pressure. Participants will do tests like standing up and cycling while their heart and blood vessels are monitored. The goal is to better understand t…

This study tests whether a single PET tracer (FDG) can measure both blood flow and sugar use in the heart, instead of needing two separate tracers. Researchers will compare results from FDG with a dedicated flow tracer in 60 healthy adults and people with heart disease. The goal …

This study compares continuous vital sign monitoring to standard nurse spot-checks for patients recovering from non-cardiac surgery on regular hospital wards. Researchers want to see if constant monitoring reduces the time patients spend with abnormal vital signs in the first 48 …

This study tests a program called Heart-to-Heart, where community health workers help low-income patients make informed choices about cardiac rehab after a heart event. About 50 adults from Johns Hopkins Hospital will take part. The goal is to see if the program is practical and …

This study will enroll 5,000 adults with chronic heart conditions like heart failure, high blood pressure, or aortic stenosis. Participants will wear a Prolaio digital health patch that monitors heart rate, breathing, and other vital signs. The goal is to observe how these condit…

This study looks at whether a quick, painless neck ultrasound can help predict which older adults (65+) will have a dangerous drop in blood pressure after receiving spinal anesthesia for surgery. Researchers will measure the size and shape of a neck vein before surgery and track …

This study is reviewing medical records from 5,000 heart and blood vessel surgery patients to find factors that influence recovery and survival. Researchers are looking at data from 2001 to 2013 to identify what leads to complications or death after surgery. The goal is to improv…

This study collects small heart tissue samples from 400 adults undergoing heart procedures. Researchers will analyze these samples to find new markers that could help diagnose heart diseases earlier and better understand how the heart works in health and disease. The goal is to i…

This study looks at different methods to predict whether giving IV fluids will help raise blood pressure in patients with impaired consciousness. Researchers will compare tests like ultrasound of the vena cava, leg raising, and fluid challenges in 222 ICU patients. The goal is to…

This study looks at how spinal anesthesia, commonly used in planned C-sections, affects the baby's nervous system. Researchers will monitor the baby's heart rate and the mother's vital signs in 50 pregnant women. The goal is to better understand and prevent complications like low…

This study uses a special eye scan called OCTA to measure the density of tiny blood vessels in the retina. Researchers will compare results from 64 people—half with cardiovascular disease and half healthy—to see if the scan can reliably detect vessel changes linked to heart probl…

This study is testing whether adding genetic and imaging information to standard risk assessments can better predict heart disease in 30,000 healthy Italian adults aged 40-80. Participants will have their risk calculated using traditional methods and then again with the added dat…

This study is testing a virtual patient navigation program for 260 English, Chinese, or Spanish speakers with breast cancer or heart disease. The goal is to see if a phone-based portal can help underserved people get the support they need, even though it won't fully replace in-pe…

This study looks at whether monitoring blood pressure through the femoral artery (in the groin) is better than the usual radial artery (in the wrist) during and after heart surgery. The goal is to see if femoral monitoring reduces the need for strong blood pressure medications an…

This study follows over 10,000 Moroccan adults for 10 years after a heart screening. Researchers will track heart attacks, strokes, and heart-related deaths to build a risk score tailored to the Moroccan population. The goal is to better predict and prevent heart disease in Moroc…

This study is building a biobank of blood and tissue samples from 500 patients undergoing cardiac surgery. Researchers will analyze these samples to better understand the causes and progression of heart disease. The goal is to improve future diagnosis and treatment, but no new th…

This study aims to see if voice recordings from a smartphone can help detect heart disease. Researchers will collect voice samples and health data from up to 1 million adults using the Mayo Clinic app. No treatment is given; the goal is to gather information for future AI tools.

This study looks at how midodrine and droxidopa, two drugs used for low blood pressure upon standing, affect the veins in the abdomen of people with autonomic failure. About 34 adults aged 40-80 with conditions like multiple system atrophy or Parkinson's disease will participate.…

This study is a registry that collects information from 1,000 adults who have conditions like fainting, rapid heartbeat, or low blood pressure and have received a procedure that adjusts nerve signals to the heart. Researchers will track whether symptoms return within a year. The …

This study is testing whether a smartwatch, combined with artificial intelligence and remote doctor check-ins, can help detect heart issues like atrial fibrillation and unstable angina earlier than usual. Researchers at the University of Sao Paulo will enroll 520 adults with hear…

This study is observing 900 adults in Greece who have both chronic obstructive pulmonary disease (COPD) and at least one heart condition. Researchers will track their health for two years, recording lung flare-ups, heart complications, hospital visits, and quality of life. The go…