Brain ischemia

This study planned to test whether giving a child their own stored umbilical cord blood is safe for treating perinatal arterial ischemic stroke. It was designed for children aged 6 weeks to 6 years with MRI-confirmed stroke. The trial was withdrawn before enrolling any participan…

This large Phase 3 study tests whether milvexian, an experimental oral blood thinner, can prevent another stroke in people who recently had a mild stroke or a high-risk mini-stroke (TIA). Over 12,500 participants are randomly assigned to receive either milvexian or a placebo, alo…

This study looks at 3,500 unconscious patients who survived a cardiac arrest to find the best combination of sedation, fever control, and blood pressure management in the ICU. Each patient gets one of two levels for each factor (e.g., deep vs. light sedation, tight vs. loose feve…

This study looks at whether giving people with PTSD a personalized mix of gut bacteria (called pharmabiotics) can help their mental health. The researchers will track changes in PTSD symptoms, anxiety, depression, and thinking skills over 14 days. The goal is to see if fixing the…

This Phase 3 study tests a weekly injection called retatrutide in about 1,946 people with severe obesity (BMI ≥35) and established heart disease. The goal is to see if it helps with weight loss and improves heart-related health measures over 113 weeks compared to a placebo. Parti…

This study tests whether a weekly injection of CagriSema (a combination of two drugs) can reduce the risk of heart attacks, strokes, and other heart-related events in people with established cardiovascular disease. About 7,100 participants will receive either CagriSema or a place…

This study tests whether two biofeedback devices—a balance platform (Huber) and a smart treadmill (C-Mill)—can improve balance and reduce fall risk in 120 older adults (65+) with chronic cerebral ischemia. Participants will do 8 sessions of training, and researchers will compare …

This phase 3 trial tests whether a monthly injection of pelacarsen can reduce major heart problems like heart attacks and strokes in people with high levels of Lp(a), a genetic risk factor. Over 8,000 participants with existing heart disease are being followed for several years. …

This study looks at whether genetic testing can help doctors pick the right antiplatelet medicine for people who have had a stroke or mini-stroke. About 350 patients will be randomly assigned to either standard care or a genetic test that checks if a common drug, clopidogrel, is …

This study tests whether a very low blood pressure target (below 120 mmHg) can prevent major heart problems in people who have had a stroke or mini-stroke. About 4,300 participants are randomly assigned to either intensive or standard blood pressure control and followed for about…

This large study is testing whether a lower blood pressure target can reduce major heart problems like heart attacks, strokes, and heart failure in people with type 2 diabetes. About 9,500 participants with high blood pressure and high cardiovascular risk are being randomly assig…

This study compares two approaches—short-term anticoagulation (stronger blood thinners) versus antiplatelet therapy (milder blood thinners)—to prevent clots on a device placed in the heart's left atrial appendage. The trial involves 510 adults who have had this procedure. The goa…

This study tests whether giving stroke patients extra tests—like checking for hidden heart problems, artery stiffness, and leg circulation—can lower their chance of having another stroke or heart attack. About 600 people in Stockholm will get this expanded check-up and a personal…

This study follows 25 people aged 2 to 65 with cerebral palsy or brain damage from lack of oxygen who have already received a new gene therapy given as a nose spray. The therapy delivers 15 genes meant to repair the brain, reduce inflammation, and improve movement and thinking. R…

This early-stage trial tests whether metformin, a common diabetes drug, is safe and feasible for infants who suffered brain injury from lack of oxygen at birth. Thirty infants under 6 months old will receive metformin for 6 weeks, with close monitoring of kidney and liver functio…

This study looks at whether giving steroids early to children who had a stroke from a condition called focal cerebral arteriopathy (FCA) can help reduce damage to the brain's arteries. About 80 children aged 1 to 18 will be randomly assigned to get steroids right away or only if …

This study tests whether giving patients capsules containing gut bacteria (called Probacine) before and after heart surgery can reduce gut injury and organ failure. Researchers will enroll 500 adults undergoing cardiovascular surgery. The goal is to see if changing the gut microb…

This study tests whether giving melatonin to full-term newborns with hypoxic-ischemic encephalopathy (HIE) — a type of brain injury from lack of oxygen at birth — can improve survival and reduce brain damage. Half of the 110 babies will receive a single dose of melatonin through …

This study is checking how well a device called the GORE® CARDIOFORM Septal Occluder works and how safe it is for people who have had a stroke caused by a hole in the heart (PFO). Researchers will follow 300 patients in Japan for 12 months after the device is implanted. The goal …

This early-stage trial tests whether a stimulant drug (methylphenidate, also known as Ritalin) given through an IV can safely help people with severe brain injuries regain consciousness. Ten adults in a coma or minimally conscious state will receive increasing doses to check for …

This program allows individual patients with vascular disease or end-stage kidney disease on dialysis to request an experimental lab-grown blood vessel (ATEV) if they have no other treatment options and cannot join a clinical study. The vessel is designed to replace or bypass dam…

This study tests whether a video-based telehealth program, including an iPad and remote blood pressure monitoring, can help stroke survivors better control their blood pressure after leaving the hospital. The program also aims to reduce racial disparities in post-stroke care. Abo…

This study tests a laser-based imaging method that shows blood flow in the brain in real time during surgery. It involves 20 adults having brain surgery for conditions like aneurysms. The goal is to see if this technique can give surgeons continuous feedback, unlike the current d…

This study looks at better ways to find hidden atrial fibrillation (an irregular heartbeat) in people who have had a stroke. About 337 participants will use either a wearable patch for 72 hours or a handheld device three times a day to monitor their heart rhythm. The goal is to s…

This study tests whether a water-resistant, wireless ECG patch worn for 7 days can detect more cases of hidden atrial fibrillation (a heart rhythm problem that raises stroke risk) than the usual 24-hour Holter monitor. Researchers will enroll 320 adults who recently had a stroke …

This study tests whether an AI tool can help radiologists read brain CT and MRI scans more accurately and quickly. Researchers will compare how well doctors, AI alone, and doctors using AI together can spot abnormalities, urgent findings, and classify diseases. The goal is to red…

This study explores whether a simple, non-invasive leg movement test can measure blood vessel health in older adults. Researchers will use ultrasound to track blood flow changes after a passive leg movement, comparing young healthy people and older patients undergoing heart tests…

This study compares how well AI and radiologists diagnose brain diseases using CT and MRI scans. Over 30,000 patients will be included, and the AI has been trained on more than 100,000 previous scans. The goal is to see if AI can match human experts and whether combining AI with …

This pilot study tests a personalized lifestyle program for young adults (18-65) who have had a stroke or high-risk mini-stroke. The program includes intensive counseling on diet, exercise, and smoking, plus a wearable device to track health. Researchers want to see if this appro…

This study looks at whether clopidogrel, a blood thinner, can prevent new silent brain infarctions (small, unnoticed strokes) in people who recently had a stroke or mini-stroke. Researchers will track 134 participants over 24 months using MRI scans and cognitive tests. The goal i…

This phase 3 trial tests whether adding regular, personalized exercise to standard medical care can prevent new strokes in 1300 people with symptomatic intracranial arterial stenosis (narrowed arteries in the brain). Participants are randomly assigned to either standard care or s…

This large study tested whether taking daily vitamin D3 and omega-3 (fish oil) supplements can lower the risk of developing cancer, heart disease, or stroke. Over 25,000 healthy older adults (men 50+, women 55+) took the supplements or placebos for about 5 years. The goal is to s…

This study looks at whether aquatic therapy in a warm pool can help children ages 3-9 with conditions like cerebral palsy improve their swimming safety, arm function, and ability to do daily tasks. Children attend sessions twice a week for ten weeks. Researchers will measure chan…

This study tests a nurse-led education program designed to help women in cardiac rehab address sexual concerns after a heart event. Sixty-six women will be randomly assigned to either the program or usual care. The goal is to see if the program improves sexual function, mood, and…

This study looks at how caffeine is processed in newborns with hypoxic-ischemic encephalopathy (HIE), a brain injury caused by lack of oxygen, who are receiving cooling therapy. Researchers will test different doses of caffeine in 16 babies to find the safest and most effective a…

This study tracks 120 adults with heart disease and at least two other long-term illnesses to see how often dangerous drug interactions happen. Researchers check medications, including over-the-counter and herbal products, and follow participants for a year. The goal is to unders…

This study looks at how blood flow in the feet changes during a 12-week heart and blood vessel rehab program for people with narrowed arteries. Researchers will track 80 adults with conditions like peripheral artery disease or coronary artery disease. The goal is to better unders…

This study looks at whether having a rehabilitation doctor see stroke patients early in their hospital stay can shorten how long they stay and reduce the chance of coming back. Researchers are tracking 3,000 stroke patients to see if this coordinated care approach improves recove…

This study tracks over 1,700 heart patients who had hip or knee replacement surgery. Researchers want to see how often bleeding or blood clots happen in the months after surgery. The goal is to find better ways to prevent these complications.

This study is creating a statewide collection of blood samples and medical information from people with various brain blood vessel diseases, such as stroke and dementia. The goal is to build a resource that scientists can use in future research to better understand and potentiall…

This study looks at whether MRI or CT should be the first scan for people with suspected acute ischemic stroke. Researchers will track how often doctors follow the assigned scan type and compare outcomes. The goal is to see if a larger study comparing these imaging methods is pos…

This study will observe 200,000 Chinese adults with heart disease to see how their heart and lung function changes over 5 years. Participants will take a special exercise test to measure their fitness. Researchers hope to find better ways to predict future heart problems like hea…

This study looks at whether a computer-guided breathing machine (ventilator) protocol can help patients with serious brain injuries. The goal is to use low air volumes to protect the lungs while keeping carbon dioxide levels normal to protect the brain. About 728 adults on ventil…

This observational study follows 36 people with neurologic conditions like traumatic brain injury, cerebral palsy, multiple sclerosis, or Alzheimer's who are already receiving intranasal MuSE stem cell or exosome therapy as part of their routine care. Researchers track safety and…

This study follows 2000 people with dilated cardiomyopathy (a weakened, enlarged heart) over several years to learn how genetics and heart scarring affect the disease. Participants give blood for genetic testing and have heart MRI scans. The goal is to improve diagnosis and pave …

This study planned to compare virtual clinic visits (using video calls on tablets) with in-person visits for people with vascular diseases. Doctors would classify patients as low, moderate, or high risk for treatment after each visit type. The goal was to see if virtual visits co…

This study looks at whether a sticker-like sensor on the skin can accurately measure carbon dioxide levels in newborns with brain injury who are receiving cooling treatment. About 53 babies will take part. If it works, it could replace frequent blood draws and make monitoring eas…

This study looks at over 3,400 newborns who are not vigorous at birth (between 35 and 42 weeks). Doctors want to see if milking the umbilical cord (pushing blood into the baby) before clamping it leads to fewer cases of brain injury or death compared to clamping the cord right aw…

This study is creating a database of medical information and biological samples (blood, urine, and cheek swabs) from 1,000 newborns with hypoxic-ischemic encephalopathy (HIE), a type of brain injury caused by lack of oxygen. The goal is to measure biomarkers in the blood that cou…

This study follows about 300 children who had seizures shortly after birth to see if their genes influence whether they develop epilepsy later in childhood. Researchers will combine genetic information with brain scans and EEG results to create a risk score. No new treatments are…

This study looks at how being in a hospital intensive care unit (ICU) after heart surgery affects your body's natural sleep-wake cycle. Researchers will track sleep patterns and thinking ability in 15 adults to see if disrupted rhythms slow down recovery. The goal is to understan…

This study uses MRI scans to see how the brain's blood vessels react when people breathe in extra carbon dioxide. Researchers want to compare healthy adults and those with brain blood vessel diseases. The goal is to learn more about brain blood flow and oxygen use, which could he…

This study is testing whether a device that gently stimulates a nerve in the ear is safe and tolerable for healthy children. Ten children will receive a single 30-minute session while their heart rate, oxygen levels, and brain waves are monitored. The goal is to learn how the sti…

This study aimed to see if using a special pad along with a standard closure device could help patients get out of bed sooner after a heart catheterization. It was planned for adults having the procedure through the groin. However, the study was withdrawn before any participants …

This study looks at whether modern medicines (like statins and newer blood thinners) can keep the one-year stroke rate below 5% in people with narrowed neck arteries who have already had a minor stroke or warning signs. About 114 participants are being followed to see how well th…

This study follows 347 heart surgery patients to understand why some develop swallowing problems (dysphagia). Researchers will use special camera tests to watch how patients swallow and look for risk factors. The goal is to create simple tools that doctors can use at the bedside …

This study is following 10,000 adults who are having a heart MRI for medical reasons. Researchers want to see if the MRI results can help predict who will have heart problems in the future, like heart attacks or heart failure. The goal is to better understand how MRI scans can gu…

This study follows 1,400 women who had a stroke with no known cause. Researchers use a small implantable heart monitor to check for hidden atrial fibrillation, an irregular heartbeat that can cause strokes. The goal is to see if detecting this condition and using blood thinners c…

This study was designed to see if a cholesterol-lowering drug called a PCSK9 inhibitor could also reduce inflammation in the arteries of people with heart disease. Researchers planned to use a special imaging scan to measure inflammation. The study was withdrawn before enrolling …

This study aimed to create a 12-month profile of patients admitted for vascular surgery at University Hospital Limerick in Ireland. The goal was to understand patient characteristics like frailty and other health conditions to improve hospital services and reduce length of stay. …

This study gathers MRI, CT, and ultrasound images from 300 adults—some healthy, some with kidney or brain disease—to build a collection for future not-for-profit research. No new treatments are being tested; the goal is to make medical images available to scientists for advancing…