Acquired aneurysmal subarachnoid hemorrhage

This study tests whether giving the drug milrinone directly into the brain's arteries, followed by a 72-hour IV drip, can prevent brain damage in people who develop artery spasms after a bleeding stroke from a burst aneurysm. The trial will enroll 306 adults across multiple hospi…

This study compares two stomach-acid-lowering drugs—tegoprazan and rabeprazole—in about 3,300 heart disease patients who take blood thinners and are at high risk for stomach bleeding. The goal is to see if tegoprazan works as well as rabeprazole at preventing serious gut problems…

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 is tracking how well a device called NeVa VS works to open narrowed brain arteries in people who had a bleeding aneurysm. The device is already approved for this use, and researchers want to see how it performs in routine care. About 200 adults will be followed to meas…

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 study tests whether giving patients electrical muscle stimulation and high-protein shakes soon after a type of stroke (aneurysmal subarachnoid hemorrhage) can prevent muscle loss and improve recovery. Thirty adults will receive the combo therapy or standard care. The main go…

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 is testing a non-invasive device that stimulates the vagus nerve (a major nerve in the neck) to see if it is safe and helpful for people who have had a severe bleeding stroke called aneurysmal subarachnoid hemorrhage. About 25 adults in the intensive care unit will rec…

This study looks at a new way to treat severe brain bleeds caused by aneurysms. Instead of coiling the whole aneurysm, doctors will only coil the dome (the bulging part). The goal is to see if this lowers the risk of re-bleeding and improves recovery. The study will enroll 30 adu…

This study tests whether the drug deferiprone can safely lower iron levels in the brain after a bleeding aneurysm. About 66 adults who had a ruptured aneurysm will receive either deferiprone or a placebo for 14 days. Researchers will measure iron in spinal fluid, brain MRI scans,…

This study tests whether giving dornase alfa (a drug already used for cystic fibrosis) daily for up to 14 days after a brain bleed from a ruptured aneurysm can help people recover better. The goal is to see if more patients can live independently at 6 months. The trial will enrol…

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 whether starting lumbar drainage and injecting the clot-busting drug urokinase early after a severe brain bleed improves patients' recovery. About 424 adults with a first-time severe aneurysmal subarachnoid hemorrhage will be randomly assigned to get either the a…

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 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 tests whether a small, handheld device that gently stimulates a nerve in the ear (tVNS) is safe and practical for people recovering from a brain bleed (aneurysmal subarachnoid haemorrhage). About 30 participants will receive either the real stimulation or a dummy versi…

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 study tests a drug called tocilizumab-aazg in 30 adults who have had a burst brain aneurysm. The goal is to see if the drug is safe and might help prevent strokes that can happen after the bleeding. Participants will receive the drug within 24 hours of the aneurysm rupture a…

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 a steroid pill called fludrocortisone can reduce death and disability in people who have had a brain bleed from a burst aneurysm. The trial will enroll 524 critically ill adults who have had their aneurysm secured. Half will receive the drug, half a place…

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 2 trial tests whether deferoxamine, a drug that binds excess iron, can reduce brain injury after aneurysmal subarachnoid hemorrhage (aSAH), a severe stroke with high death and disability rates. About 120 participants will receive one of two doses of deferoxamine or a p…

This study tests a simple, non-invasive treatment called remote ischemic conditioning (RIC) for people who have had a brain bleed from a burst aneurysm. The treatment involves briefly inflating a blood pressure cuff on a limb to improve blood flow and reduce brain damage. Researc…

This study tests whether a non-invasive treatment called remote ischemic conditioning (RIC) can help people recover after surgery for a ruptured brain aneurysm. RIC involves using a blood pressure cuff on the leg to create brief, harmless blood flow interruptions, which may trigg…

This phase 2 trial tests whether levosimendan, a heart medication that widens blood vessels, can reduce dangerous artery spasms and delayed brain injury after a type of bleeding stroke called aneurysmal subarachnoid hemorrhage. Thirty adults in intensive care will receive either …

This study tests whether injecting the drug nicardipine into the spinal fluid can improve recovery in people who develop blood vessel spasms after a brain aneurysm bleed. About 396 adults aged 18–80 will receive either the drug or a sham procedure. The goal is to see if the treat…

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 is testing whether machine learning and special brain injury markers in blood and spinal fluid can warn doctors early when a patient with a brain bleed is developing delayed cerebral ischemia (lack of oxygen to the brain). Researchers will monitor 1,500 adults in inten…

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 portable EEG device called StrokePointer that ambulance crews can use to detect severe strokes caused by large vessel blockages. Currently, over half of these patients are taken to hospitals that cannot perform the needed clot-removal procedure, causing an aver…

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 a numbing nasal spray can safely reduce severe headaches after a brain aneurysm bleed. About 20 adults in the ICU will receive the spray along with standard pain meds. Researchers will compare pain levels and opioid use before and after treatment to see i…

This study tests whether early training that combines thinking tasks with physical movement can help people recover cognitive and motor skills after a brain aneurysm bleed. The training is done 4-5 times a week for 30 minutes while in the hospital. Researchers will measure memory…

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 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 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 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 tests if delivering lidocaine (a numbing medicine) and steroids directly into an artery in the scalp can safely relieve the intense headaches that follow a type of brain bleed called subarachnoid hemorrhage. The goal is to reduce pain and the need for strong opioid pai…

This study tests whether a scalp block (a numbing injection) can reduce severe headaches in patients who have had a brain aneurysm rupture. About 22 adults in intensive care will receive either standard care plus the scalp block or standard care alone. The goal is to see if the b…

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 tests whether a nerve block injection near the cheek can relieve severe headaches after a brain bleed (subarachnoid hemorrhage). The injection contains a numbing medicine and a steroid. The goal is to see if it reduces the need for opioid painkillers. About 195 adults …

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 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 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 is for adults 18 and older who have had a stroke or a transient ischemic attack (TIA), often called a mini-stroke. The goal is to collect information from standard medical tests and some extra research tests, like blood draws and brain scans, to better understand how t…

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 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 study looks at whether levels of nitric oxide in spinal fluid can predict dangerous blood vessel spasms after a type of brain bleed called subarachnoid hemorrhage. Researchers will compare nitric oxide levels in 40 patients with and without this condition. The goal is to fin…

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 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 tracking 5,000 people who had a brain bleed from a ruptured aneurysm. Researchers are collecting medical data to find factors that predict complications like delayed brain injury or long-term disability. The goal is to create a computer model that helps doctors fore…

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 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 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 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 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 is looking at 160 people who had a ruptured brain aneurysm and need a temporary drain. Researchers will measure glucose in their spinal fluid and blood daily for up to 14 days. The goal is to see if higher glucose levels are linked to needing a permanent shunt later. P…

This study compares a new, data-driven method for emergency responders to decide which hospital to take a stroke patient to, versus the current standard method. The goal is to see if the new approach helps rural patients get to a hospital that can perform specialized clot-removal…

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 collects blood, clots, and tissue from up to 1000 people having procedures for stroke or other blood vessel problems in the brain. Researchers will analyze these samples to find biological markers and understand inflammation. The goal is to learn more about how stroke …

This observational study looks at proteins in tiny particles called extracellular vesicles from the blood of 120 people with brain aneurysms. Researchers will collect blood from different areas of the circulatory system during surgery to compare protein patterns. The goal is to f…

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 looks at a condition called augmented renal clearance (ARC), where the kidneys work too fast and flush out medications before they can help. It involves 512 adults in intensive care with severe brain injuries, strokes, seizures, or meningitis. Researchers will measure …

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 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 tracks 500 adults in Canada and the US who have had a brain aneurysm bleed and are taking the drug nimodipine. Researchers will measure how much of the drug gets into each patient's blood and see how that relates to their recovery 90 days later. The goal is to understa…

This study is collecting information from 1,000 people who have been treated for brain aneurysms or stroke using MicroVention devices. The goal is to see how well these treatments work in real life, not just in controlled trials. No new treatments are being tested—just data gathe…

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 tests a special microscope attachment called GLOW800 that helps surgeons see blood flow and tissues in real time during brain and reconstructive surgery. About 29 adults will take part, and surgeons will rate how well the tool works. The goal is to confirm the device i…

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 early study is testing whether a robot can help doctors perform delicate brain blood vessel procedures, such as angiography, embolization, and thrombectomy. Ten patients scheduled for these standard procedures will have them done using a robotic system instead. The main goal…

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 is testing whether a non-invasive ultrasound scan, combined with artificial intelligence (AI), can quickly identify bleeding in the brain (intracerebral hemorrhage) in people having a stroke. Researchers will enroll 500 adults with acute stroke and perform a standard C…

This study follows 10,000 patients who had a bleeding aneurysm in the brain to learn more about a complication called delayed ischemic neurological deficit (DIND). Researchers will track how doctors diagnose and treat DIND, and compare different treatment approaches to see which …

This study observes 200 adults who had a bleeding stroke from a brain aneurysm and now have narrowed blood vessels. Researchers will monitor brain blood flow using ultrasound to see how it changes with standard treatments like raising blood pressure or using medication to widen v…

This study looks at how much of the antibiotic telavancin gets into the brain fluid of 20 critically ill patients who have a drain in their head (external ventricular drain). These patients often need strong antibiotics, but it's not clear if telavancin reaches the brain well eno…

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 enrolls 2,000 adults who had a brain bleed from a ruptured aneurysm. Researchers will collect blood, spinal fluid, urine, and stool samples to analyze genes, proteins, and other molecules. The goal is to understand why some patients develop serious complications like d…

This study looks at whether using a swallow gel or a semi-solid vehicle can help people with neurological conditions swallow pills more easily and safely. Researchers will observe 500 participants, including patients with swallowing disorders and healthy volunteers, as they swall…

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 follows 8,000 adults who have had a stroke to learn why some develop memory and thinking problems afterward. Researchers will track changes in cognition, brain scans, and blood samples over time. The goal is to help doctors identify who is at risk for dementia and pave…

This study looks at how hospitals in Villavicencio, Colombia, manage stroke cases by reviewing patient records. Researchers want to find delays in treatment and see if doctors follow best-practice guidelines. About 100 adults diagnosed with stroke will be included. No new treatme…

This study is building a large registry of people who have had a stroke and still have symptoms. The goal is to connect them with researchers studying new ways to improve recovery. No treatments or tests are given—just observation and data collection.

This study examines whether memory problems after a type of brain bleed (aneurysmal subarachnoid hemorrhage) are linked to a smaller hippocampus, a brain area key for memory. Researchers will compare 30 patients in rehabilitation with healthy volunteers using memory tests and MRI…

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…