Vascular disorder

This study tests a drug called selnoflast in 162 people with atherosclerosis (hardened arteries) who are at high risk for heart attacks or strokes. The goal is to see if selnoflast can reduce inflammation inside the arteries, measured by a special PET scan, compared to a placebo.…

This registry is following 500 adults in Portugal who have severe aortic stenosis and are getting a new type of heart valve replacement called the Medtronic Evolut FX+ TAVI system. The goal is to see if using a standardized procedure makes the treatment safer and more effective. …

This early-phase trial tests giving radiation therapy before surgery to people whose adrenal cancer has come back. The goal is to find a safe radiation dose and see if it helps shrink tumors before removal. About 32 adults with resectable recurrent ACC will receive daily radiatio…

This study tests whether inclisiran, a twice-yearly injection that lowers cholesterol, can prevent major heart and limb events in 6,000 people who recently had artery-opening procedures. Participants receive either inclisiran or a placebo shot at the start, at 90 days, and every …

This trial investigates a 'maximal medical treatment' bundle for people with intracerebral hemorrhage (bleeding in the brain). The bundle includes rapid blood pressure control, reversal of blood thinners, and a drug to reduce bleeding, all delivered within the first 72 hours in a…

This phase 3 trial is testing an experimental daily pill called AZD0780 in about 15,100 people who have had a heart attack, stroke, or are at high risk for one. The drug works by blocking a protein called PCSK9 to lower cholesterol. Researchers want to see if it reduces the chanc…

This study compares a new heart valve, the DurAVR®, to standard TAVR valves in up to 1650 people with severe aortic stenosis. The valve is designed to mimic natural blood flow. Participants are randomly assigned to get the new valve or a standard one and are followed for up to 10…

This study looks at people with narrowed carotid arteries who are getting a stent. Some people do not respond well to the common blood thinner clopidogrel. The study compares giving these 'non-responders' a different drug, ticagrelor, versus continuing clopidogrel in those who re…

This study is checking how safe and well a device called TriClip works for people with a leaky heart valve (tricuspid regurgitation). The device is already approved for use, and this study will watch 1000 adults who get it to see how they do. The goal is to make sure the device w…

This study tests alpelisib, a drug that targets a specific gene mutation (PIK3CA), in people with lymphatic malformations—abnormal growths of lymph vessels. The trial includes children and adults and compares alpelisib to a placebo to see if it can shrink the growths and ease sym…

This study tests an experimental drug called THN391, given as an injection into the eye, for people with diabetic macular edema (DME) — a condition where fluid builds up in the retina due to diabetes, causing vision loss. The trial involves 21 adults aged 18 to 80 with DME and vi…

This early-phase trial tests an experimental antibody called DIAG723 in 93 adults with hereditary hemorrhagic telangiectasia (HHT), a condition that causes abnormal blood vessels and frequent nosebleeds. The study will check if the drug is safe and how the body processes it, with…

This study tests whether a drug-coated balloon can be a safe and effective alternative to stents for treating new blockages in heart arteries. About 1,616 people will be randomly assigned to receive either the balloon or standard stent treatment. The goal is to see if the balloon…

This early-stage trial tests a new cell therapy for people with heart failure caused by blocked arteries. The treatment uses the patient's own immune cells, engineered to target scar tissue in the heart. The study will check safety and whether it can improve heart function in 15 …

This study tests a new device called Rapidlink, used during open surgery to repair or replace blood vessels in the chest. It involves 150 adults already scheduled for aortic surgery. The goal is to see if the device reduces major complications like stroke or death. Participants w…

This phase 3 trial will test three ways to treat intermediate high-risk pulmonary embolism (a serious blood clot in the lungs). The study compares two catheter-based procedures (mechanical clot removal or low-dose clot-busting drug) with standard blood-thinning heparin. About 210…

This study is a registry that follows about 960 people with coronary artery disease who are treated with a special balloon coated with a drug called sirolimus. The balloon is used to open blocked heart arteries. Researchers will track heart-related events like death, heart attack…

This study tests a new device called the RapidPulse Aspiration System, which uses precisely timed suction to remove blood clots from brain arteries in people having a severe stroke. The trial will enroll 170 adults aged 18 to 80 who can be treated within 8 hours of stroke symptom…

This study compares a device that physically removes blood clots from leg veins (ClotTriever) to standard blood-thinning medication alone for people with deep vein thrombosis (DVT). About 300 participants with recent, severe DVT in one leg will be randomly assigned to either trea…

This study compares a new balloon coated with everolimus to standard paclitaxel-coated balloons for opening blocked leg arteries in people with peripheral artery disease. About 410 participants will be randomly assigned to one of the two balloons. The goal is to see if the new ba…

This study tests a new drug called ASP2246 for adults who have trouble moving after a stroke. In the first part, small groups get increasing doses via brain surgery to check safety. In the second part, some get the drug and others get a sham surgery, with neither patient nor doct…

This trial investigates whether pioglitazone, a drug used for diabetes, can help protect the kidneys in people with ANCA-associated vasculitis—a rare autoimmune disease that causes inflammation of blood vessels, often damaging the kidneys. Participants receive either pioglitazone…

This study tests a new virtual reality (VR) walking therapy for people who have had a stroke within the past 1 to 6 months. Participants will use either a fully immersive VR system that lets them walk over ground in realistic environments, or a semi-immersive VR system on a tread…

This study compares two ways to keep blood flowing during open surgery for a large aneurysm in the chest and belly. About 236 adults will be randomly assigned to one of two heart-lung machine techniques. Researchers will track serious complications like death, stroke, kidney fail…

This study tests a drug called tonlamarsen in adults who were recently hospitalized for dangerously high blood pressure. Participants receive either the drug or a placebo as a shot under the skin every 4 weeks. The goal is to see if tonlamarsen can lower blood pressure and reduce…

This trial compares two types of surface-modified flow diverters—special stents used to treat unruptured brain aneurysms. The goal is to see which device causes fewer small brain injuries (seen on MRI) and fewer stroke-like symptoms after the procedure. About 196 people with unru…

This study tests a one-time gene therapy called surabgene lomparvovec (Sura-vec) for diabetic retinopathy, a common eye problem from diabetes that can lead to blindness. About 576 adults with moderate-to-severe non-proliferative diabetic retinopathy will receive either the gene t…

This phase 3 trial is testing atogepant, a daily pill already approved for adults, to prevent episodic migraines in children aged 6 to 17. About 450 participants will receive either a low or high dose of the drug or a placebo for 12 weeks. The goal is to see if it safely reduces …

This study looks at the long-term safety and effectiveness of the drug QCZ484 in people with high blood pressure. It is for patients who already completed a previous study with the same drug. Researchers will monitor side effects and track blood pressure changes over time.

This study tests whether rimegepant, a dissolving tablet, can prevent migraines in children and adolescents ages 6 to under 18. About 640 participants will receive either the drug or a placebo for 12 weeks. The main goal is to see if the drug reduces the number of migraine days p…

This early-stage trial is testing a new drug called KK3910 in healthy people and those with high blood pressure. The main goal is to check safety and how the drug moves through the body. It is a small, placebo-controlled study, so it is too soon to know if the drug actually works…

This study tests whether starting a special exercise program soon after a stroke can protect the brain from memory loss and dementia. Researchers will enroll 120 people who had a stroke in the past 6 months. Participants will do a mix of exercises, and the study will measure chan…

This study tests whether the antibiotic minocycline can improve recovery in people having an ischemic stroke. About 934 adults will receive either minocycline or a placebo, in addition to standard clot-busting medication. The goal is to see if minocycline leads to better function…

This study tests a device called Artisse, which is placed inside a brain aneurysm to block blood flow and prevent rupture. It involves 300 people aged 18-75 with wide-neck aneurysms that are either unruptured or recently ruptured. The main goal is to see if the device safely and …

This study tests an implanted device that stimulates nerves at the back of the head to prevent chronic cluster headaches. Ten adults with difficult-to-treat cluster headaches will receive the implant and use it daily for 48 weeks. Researchers will track side effects and whether t…

This study tests whether giving a second dose of the clot-busting drug prourokinase can help stroke patients who have a blocked medium or large artery and don't show improvement one hour after the first dose. About 122 adults will be enrolled within 4.5 hours of stroke onset. The…

This study looks at how well different drug-eluting stents work in real-world patients with coronary artery disease. Researchers are comparing newer stents to older ones to see which are safest and most effective. The study includes up to 50,000 people who need a stent to open bl…

This study compares aspirin and clopidogrel to prevent leaflet thrombosis (blood clots on the valve) in 254 people who had a transcatheter aortic valve replacement (TAVR) for severe aortic stenosis. After 4 weeks of both drugs, participants take either aspirin or clopidogrel alon…

This study tests a device that uses ultrasound to calm overactive nerves in the kidneys, which can drive high blood pressure. About 261 adults with hypertension will either get the real procedure or a sham (fake) one. The goal is to see if this approach safely lowers blood pressu…

This early-stage trial tests whether an experimental drug called UDP-003 is safe in healthy volunteers and people with heart disease. Researchers will give single or multiple doses of the drug or a placebo and monitor for side effects. The study includes 84 participants and is th…

This pilot study tests whether the drug colchicine can reduce artery plaque in 120 heart attack survivors who have a specific genetic change (TET2-CHIP). Participants take colchicine or standard care for 12 months. The goal is to see if this genetic marker can guide personalized …

This study will give 800 pregnant women biweekly food kits with fruits, vegetables, and other healthy foods to see if it improves their diet and pregnancy outcomes. Participants will be followed from early pregnancy through birth. The goal is to learn whether providing healthy fo…

This study tests whether the drug ubrogepant can prevent menstrual migraines when taken daily for a week around each period. About 496 women with regular cycles and a history of menstrual migraines will receive either ubrogepant or a placebo for three cycles, then all may receive…

This study is testing whether it is safe and effective to perform two heart procedures at the same time in people with atrial fibrillation (AF). The first procedure uses pulsed field ablation to correct the heart's rhythm, and the second closes off a small pouch in the heart to r…

This study looks at a newly recognized disease called KSHV Inflammatory Cytokine Syndrome (KICS), caused by a virus that can also lead to certain cancers. Researchers aim to learn more about the disease and test experimental treatments, including antiviral and chemotherapy drugs,…

This early-phase trial is testing a new drug called MTS109, made with mRNA technology, for people with moderate to severe autoimmune diseases like lupus and scleroderma. Fifteen participants will receive several injections over a month to see if it is safe and tolerable. The goal…

This study tests a faster version of a procedure called renal denervation, which uses energy to calm overactive nerves in the kidneys to lower blood pressure. About 130 adults with uncontrolled high blood pressure will receive the quicker procedure. The goal is to see if it works…

This Phase 3 trial tests the drug benralizumab (Fasenra) in children aged 6 to 17 with two rare eosinophilic diseases: EGPA and HES. The study aims to see if the drug is safe, how it works in the body, and whether it can help control the disease. Fourteen children will receive in…

This phase 3 study tests an intravenous C1 esterase inhibitor (C1-INH) in people with hereditary angioedema (HAE) to treat acute attacks and prevent attacks before medical procedures. About 124 participants, aged 2 and older, will receive either the drug or a placebo. The main go…

This pilot study tests whether giving special nutritional shakes before and after surgery can improve the health of patients with critical limb ischemia, a severe form of peripheral artery disease. About 30 participants will drink the shakes for one to two weeks before and after …

This phase 2 study tests whether spironolactone, a drug already used for fluid retention, can improve exercise capacity and blood vessel function in people with pulmonary arterial hypertension (PAH). About 70 adults with PAH will receive either spironolactone or a placebo for 24 …

This study tests whether giving people access to healthy foods, personalized dietitian coaching, and a home blood pressure monitor can help Black and Hispanic adults with high blood pressure (and often diabetes) get their numbers down. About 100 participants will be randomly assi…

This study tests whether a digital support program (called DEEPER) helps heart patients maintain their health after completing cardiac rehab. About 306 adults with heart disease or heart failure will be split into two groups: one gets standard follow-up care, the other gets stand…

This early-phase study tests whether adding melatonin to standard cooling therapy can improve brain outcomes in newborns with hypoxic-ischemic encephalopathy (HIE), a condition caused by oxygen loss at birth. About 70 full-term infants will receive different doses of melatonin to…

This study tests a new device that replaces a leaky tricuspid heart valve using a thin tube inserted through a leg vein, avoiding open-heart surgery. It includes 150 people with severe tricuspid regurgitation who are too high-risk for surgery. The goal is to see if the device is …

This study tests a new device called CLAAS that is placed in the heart to prevent strokes in people with atrial fibrillation (an irregular heartbeat). About 1600 participants will be randomly assigned to get either the new device or one of two already-approved devices. The goal i…

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 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 compares three oral medications used to prevent migraines: atogepant (a newer drug), topiramate, and propranolol (both older). About 1,335 adults with migraine will be randomly assigned to one of the three drugs for 12 weeks. Researchers will track headache frequency a…

This study tests a new drug called RTN-001 in adults whose high blood pressure is not controlled by at least two other medications. About 280 participants will take either RTN-001 or a placebo daily for 12 weeks. The main goal is to see if RTN-001 lowers blood pressure more than …

This trial tests a physician-modified stent graft to treat juxtarenal aortic aneurysms—a bulge in the aorta near the kidneys—in people who are too high-risk for open surgery. The graft is altered during the procedure to create openings that keep blood flowing to vital branch vess…

This study tests a drug called lepodisiran in 252 adults with high levels of Lp(a), a protein linked to heart disease. Participants must have heart disease or be at risk for a first heart event. The drug is given as an injection and compared to a placebo to see if it reduces plaq…

This study tests a new device and technique (ADAPT 2.0) for removing blood clots in people having an acute ischemic stroke. The goal is to see if it can restore blood flow more completely and safely than current methods. About 750 adults who are already scheduled for clot removal…

This study follows about 200 people with abdominal aortic aneurysms who receive the Minos stent graft, a device placed through small groin incisions to reinforce the weakened aorta. Researchers track how well the device works and its safety over up to 5 years in everyday hospital…

This early-stage trial compares a new investigational drug, CG-0255, to the established blood thinner Plavix in 136 healthy adults aged 18-55. The goal is to see if CG-0255 is processed by the body similarly to Plavix and has the same effect on preventing blood clots. Participant…

This study tests whether starting virtual reality-based rehabilitation within 24 hours of an acute ischemic stroke can improve arm muscle strength, thinking skills, and motivation to exercise. One hundred adults recently diagnosed with stroke will be randomly assigned to either v…

This Phase 3 trial tests an oral drug called deucrictibant in adults with acquired angioedema due to C1 inhibitor deficiency, a rare condition causing sudden, painful swelling attacks. The study has three parts: one to see if a daily extended-release tablet can prevent attacks, a…

This pilot study explores whether taking high-dose cocoa extract supplements is feasible and acceptable for people with episodic migraine. Researchers will compare two doses of cocoa extract to a placebo, tracking how many participants stick with the daily pills for 12 weeks. The…

This study tests an inhaled medicine called L606 for people with high blood pressure in the lungs due to lung disease. About 344 adults will be randomly assigned to receive L606 or a placebo. The main goal is to see if L606 helps them walk farther in six minutes and delays worsen…

This study tests whether a drug called enavogliflozin can prevent major heart problems or worsening heart failure in people who have had a heart valve replacement (TAVR) and still have heart failure. About 1,040 participants will receive either the drug or a placebo, in addition …

This study tests a new device called ShockFast IVL against an existing one, ShockWave IVL, for treating hardened calcium deposits in heart arteries. Both devices use sound waves to break up calcium so a stent can be placed more easily. The trial will involve 120 adults with coron…

This trial tests whether removing a brain bleed with a minimally invasive scope within hours of symptoms improves recovery. 300 adults with a specific type of brain bleed will be randomly assigned to either get the surgery plus standard care, or standard care alone. The study wil…

This early-stage trial tests a single IV dose of VERVE-102, a gene-editing drug designed to permanently lower LDL (bad) cholesterol by turning off a specific gene in the liver. It involves 85 adults with inherited high cholesterol or early heart disease who still need lower chole…

This study tests a structured problem-solving approach called CO-OP (Cognitive Orientation to daily Occupational Performance) for adults who have had a stroke or traumatic brain injury. Participants learn a 'Goal-Plan-Do-Check' strategy to tackle everyday tasks like dressing or c…

This phase 3 trial is testing whether adding baxdrostat to the standard drug dapagliflozin can better protect the kidneys and heart in 5000 adults with chronic kidney disease and high blood pressure. Participants will receive either the combination or dapagliflozin alone. The stu…

This Phase 2 study tests atacicept, a drug that may reduce immune system attacks on the kidneys. About 250 adults with various autoimmune kidney diseases (like IgA nephropathy or membranous nephropathy) will receive weekly injections. Researchers will check safety and measure cha…

This study tests whether the drug clevidipine can lower blood pressure quickly and steadily in people having a bleeding stroke (intracerebral hemorrhage). High blood pressure can make the bleeding worse, so getting it under control fast is critical. The trial will compare clevidi…

This early-phase trial tests a new treatment called KN5501, which uses specially engineered immune cells (CAR NK cells) to target and destroy harmful B cells in people with relapsed or refractory immune nephropathy, a kidney disease caused by the immune system attacking the kidne…

This long-term study follows people with pulmonary arterial hypertension (PAH) who previously took part in sotatercept trials. Sotatercept is a targeted therapy that aims to stop PAH from getting worse. Researchers will monitor safety, side effects, and how well patients tolerate…

This phase 3 trial tests whether a shorter, lighter course of corticosteroids (28 weeks) works as well as the standard longer course (52 weeks) for giant cell arteritis, a condition that inflames blood vessels. The study aims to reduce side effects from long-term steroid use. 150…

This study tests a new device called EmStop that captures debris during a heart valve replacement procedure (TAVR) for aortic stenosis. About 663 people will be randomly assigned to receive either the EmStop device or a standard device. The goal is to see if EmStop reduces the ri…

This phase 2 trial is testing whether a supplement called nicotinamide mononucleotide (NMN) can protect the heart and kidneys of people undergoing coronary artery bypass surgery. Researchers will give NMN or a placebo to 90 adults at higher risk of complications. The main goal is…

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 is testing whether stem cells taken from a person's own bone marrow and then given back through the veins and nose can improve brain and nerve function. It includes 500 people with various conditions like stroke, Parkinson's, Alzheimer's, and nerve damage. The goal is …

This study is testing a new type of biological heart valve that features an 'easy change' system, designed to make future replacements simpler. Researchers will implant these valves in 500 people with aortic valve disease and track complications like blood clots, infections, and …

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 is testing two catheter-based devices, Symphony and Prodigy, that remove blood clots from blood vessels in the legs, arms, or lungs. Researchers want to see if these devices can safely restore blood flow and prevent serious outcomes like amputation or heart strain. The…

This study is tracking 2,000 people with coronary artery disease who receive Ultimaster stents during routine care. Researchers want to see how often serious heart problems like death, heart attack, or the need for another procedure happen within a year. The goal is to understand…

This study looks at whether adding a blood thinner to standard antiplatelet therapy helps prevent strokes and blood clots in people who develop a new, temporary irregular heartbeat after coronary artery bypass surgery. About 3,200 adults who had bypass surgery and then experience…

This study is testing the safety of an inhaled dry powder form of treprostinil (LIQ861) for people with pulmonary hypertension (high blood pressure in the lungs) due to lung disease. About 80 adults will take the drug using a special inhaler, and researchers will monitor for side…

This study tests whether providing money specifically for healthy foods helps pregnant women avoid gaining too much weight. About 1,440 women will either get standard nutrition advice or that plus up to $3,000 for healthy groceries. Researchers will compare weight gain between th…

This trial tests a new clothing-like robotic arm that detects muscle signals to help people who have had a stroke move their arm and hand. The device supports coordinated movements of the shoulder, elbow, wrist, and fingers during 20 one-hour training sessions. The study includes…

This trial tests a 12-week home-based digital cardiac rehabilitation program for people with coronary artery disease. It aims to improve heart health, reduce hospital visits, and enhance quality of life, especially for older adults, women, and those with other health issues. The …

This study follows 550 patients whose first TAVI heart valve has failed. Researchers will compare a second TAVI procedure (redo TAVI) with open-heart surgery or medication alone. The goal is to see which approach works best and why, helping doctors make better decisions for futur…

This study tests whether a newer blood thinner (rivaroxaban) works as well as the standard drug (warfarin) for preventing clots and bleeding in people who have a mechanical aortic valve. About 1,300 adults who had valve surgery at least 3 months ago will take one of the two pills…

This study is testing whether a lower dose of the clot-busting drug tenecteplase is safer and just as effective as the standard dose for treating acute ischemic stroke in people aged 70 and older. About 798 participants will receive either a low dose (0.175 mg/kg) or the standard…

This study compares two rehabilitation techniques—mirror therapy and modified constraint-induced movement therapy—to see which better improves arm function in people who had a stroke. Sixteen participants with hemiplegia (weakness on one side) will be randomly assigned to one of …

This Phase 2 trial tests a new drug called HDY015, which combines two medicines (QCZ484 and inclisiran) into a single injection. The goal is to see if it can safely lower both blood pressure and cholesterol in people who have both conditions. About 120 adults aged 18-75 with hype…

This study tests whether taking two blood thinners (aspirin and clopidogrel) for 12 months after leg artery surgery is better than taking them for just 1 month in people with severe leg artery disease. The goal is to see if longer treatment prevents amputations or death. About 61…

This study tests whether adding GM1, a natural brain substance, to standard clot-removal treatment helps people recover better after a severe stroke. About 868 adults in China who have a blocked artery in the front part of the brain will receive either GM1 or a placebo daily for …

This study tests whether using just one Perclose device to close the artery after TAVR is as safe and effective as the usual two devices. Researchers will measure bleeding time and complications in 300 adults undergoing TAVR. The goal is to see if a simpler approach can reduce pr…

This study tests a monthly injection called pelacarsen to see if it can slow the worsening of calcific aortic valve stenosis, a condition where the heart valve becomes stiff and narrow. About 502 adults aged 50-79 with high levels of lipoprotein(a) and mild-to-moderate valve dise…

This study is testing a new heart stent called Coroflex ISAR NEO in 1,000 people with narrowed heart arteries. The goal is to see how safe and effective it is compared to other stents in everyday medical practice. Researchers will track major heart problems like death, heart atta…

This phase 2 trial tests Kylo-11, an experimental drug, in 204 adults with heart disease and high levels of lipoprotein(a) – a genetic risk factor for heart attacks and strokes. Participants receive either Kylo-11 or a placebo injection for about a year. The main goal is to see i…

This study tests whether the drug sivelestat sodium, given alongside standard clot-removal surgery, can help people recover better after a major stroke. The trial will include 868 adults aged 18-80 with large-vessel blockage in the front part of the brain. The goal is to see if t…

This study compares two medicated stents (tiny mesh tubes) used to open blocked heart arteries in people having a heart attack or unstable angina. About 2,100 participants will receive either a sirolimus-eluting stent (ihtDEStiny) or an everolimus-eluting stent (Xience). Research…

This study compares a paclitaxel-coated balloon to a standard balloon for opening blocked arteries below the knee in people with chronic limb-threatening ischemia, a serious condition that can lead to amputation. About 288 participants will be randomly assigned to one of the two …

This study is testing whether a drug-coated balloon is as good as a drug-eluting stent for treating complex coronary artery disease in high-risk patients. About 2,184 participants will be randomly assigned to receive one of the two treatments. The main goal is to see if the ballo…

This study is tracking 1,000 people who receive the DESyne X2 drug-eluting stent to treat narrowed or blocked coronary arteries. Researchers are monitoring how often patients experience serious heart events like death, heart attack, or the need for another procedure. The goal is …

This study is testing a paclitaxel-coated balloon to open small coronary arteries in people with heart disease who also have a high risk of bleeding. About 501 participants will receive the balloon treatment and then take blood thinners for either the standard duration or just 7 …

This large trial tests two types of intravenous fluids given during heart surgery: hydroxyethyl starch (HES) and balanced crystalloids. The goal is to see which fluid leads to fewer serious kidney problems, such as kidney failure or death. About 1,292 adults having heart surgery …

This study tests an oral medication called BI 1815368 in 300 adults with center-involved diabetic macular edema, a common cause of vision loss in diabetes. Participants take tablets twice daily for about 11 months, and doctors compare vision changes between those on the drug and …

This study is testing a device called a flow modulator to treat wide-necked brain aneurysms. The device is placed inside the artery to redirect blood flow away from the aneurysm, helping it close off. Researchers will check if the device is safe and effective in 214 adults over 1…

This phase 3 trial tests whether Xeomin (a botulinum toxin type A injection) can reduce the number of migraine days in people with chronic migraine. About 780 participants will receive either Xeomin or a placebo injected into head and neck muscles every 12 weeks for up to 55 week…

This Phase 3 trial tests whether the drug tirofiban can help people who have had a stroke but missed the usual treatment window (more than 24 hours after symptoms start). The study uses a special MRI scan to select patients whose stroke is caused by a specific type of artery bloc…

This Phase 3 trial tests an oral drug called muvalaplin in over 10,000 adults with high levels of lipoprotein(a), a genetic risk factor for heart disease and stroke. Participants either have had a prior cardiovascular event or are at high risk for a first one. The study measures …

This study tests a new medicine called BI 3812465 for people with diabetic macular edema, a condition that causes swelling in the center of the eye and can lead to vision loss. The trial has two parts: first, a small group gets low to high doses to check safety, then a larger gro…

This phase 3 trial compares a once-weekly growth hormone injection (lonapegsomatropin) to a daily one (somatropin) in 186 prepubertal children with growth failure due to Turner syndrome, SHOX deficiency, being small for gestational age, or idiopathic short stature. The goal is to…

This study tests whether anifrolumab, a drug that blocks certain immune signals, can improve blood vessel function and reduce inflammation in people with lupus. About 45 adults with lupus will receive either the drug or a placebo over 8 months. Researchers will measure changes in…

This study tests whether giving two inhaled drugs (milrinone and epoprostenol) before heart-lung bypass can prevent difficult separation from the machine. About 141 adults having heart surgery will be randomly assigned to receive the drug combo or a placebo. The goal is to see if…

This study tests whether using a nicardipine infusion (a fast-acting blood pressure drug) can help more stroke patients with brain bleeding reach a safe blood pressure within one hour of arriving at the hospital. About 88 adults with acute intracerebral hemorrhage and high blood …

This study follows 118 people getting a special device called Pipeline Vantage to treat brain aneurysms. The device is placed inside the blood vessel to block the aneurysm and prevent rupture. Researchers will check how well it works and if there are any problems one year after t…

This early study tests a new drug called BAY 3389934 in 36 hospital ICU patients with sepsis-induced coagulopathy, a condition where the body forms dangerous blood clots. The main goal is to check safety and find the right dose. Researchers will monitor side effects and blood clo…

This study tests a procedure called pulmonary artery denervation (PADN) for people who still have high blood pressure in their lung arteries after a mitral valve repair. The procedure uses a catheter to deliver radiofrequency energy to specific nerve points in the main pulmonary …

This real-world study is following 7,000 Chinese adults with established heart disease to see if adding Repatha® (a cholesterol-lowering injection) to their usual care reduces major cardiovascular events like heart attacks, strokes, and heart-related death. Participants are eithe…

This study explores whether a robotic device that amplifies a person's own walking movements can help improve balance in people who have had a stroke. Participants with chronic stroke (more than 6 months ago) will do two treadmill walking sessions—one in a normal environment and …

This study follows 1,500 people who received a GORE® TAG® stent graft to treat aortic conditions like aneurysms or dissections. Researchers will monitor device performance and patient outcomes for up to 10 years. The goal is to confirm that this minimally invasive procedure remai…

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 study tests whether a personalized blood-thinner plan can reduce bleeding in people with coronary artery disease who have received a heart stent. About 3,944 participants will either get the usual dual antiplatelet therapy (two blood thinners) or a shorter course followed by…

This study tests a traditional Chinese medicine called Jiedu Huayu oral prescription in 436 people who have had a brain bleed due to a condition called cerebral amyloid angiopathy. The goal is to see if the herbal treatment can lower the chance of having another stroke or blood v…

This study tests a daily pill called orforglipron to see if it can prevent major heart problems (like heart attacks or strokes) and slow kidney disease in people who already have heart or kidney disease. About 7,140 adults will take either the drug or a placebo for up to 5 years.…

This phase 3 trial tests TFC-003, a new eye drop, in 188 adults with primary open-angle glaucoma or ocular hypertension. Participants use the drops twice daily for up to 24 weeks. The main goal is to see if TFC-003 lowers eye pressure better than an active control. The study is c…

This study tests a decision aid—a tool that provides information and goal-setting exercises—to help women who had high blood pressure during pregnancy take steps to protect their heart health after childbirth. The goal is to improve engagement in preventive care like blood pressu…

This study tests a device that uses radiofrequency energy to disrupt nerve signals in the kidney and liver arteries, aiming to lower blood pressure in people with uncontrolled hypertension. About 175 adults aged 18-80 with high blood pressure despite medication will be enrolled. …

This study compares two advanced heart procedures—stenting guided by imaging and blood flow tests (PCI) versus bypass surgery (CABG)—in 1,500 people with diabetes and three blocked coronary arteries. The goal is to see which approach better prevents major events like death, heart…

This study tests whether adding an implantable cardioverter defibrillator (ICD) to standard medication helps people with variant angina who have survived a sudden cardiac arrest. About 140 adults will be randomly assigned to get either an ICD plus medication or medication alone. …

This phase 2 trial is testing a combination of two drugs, pembrolizumab and lenvatinib, in 38 people with a rare and aggressive skin cancer called cutaneous angiosarcoma that cannot be removed by surgery. The goal is to see if this treatment can shrink tumors and improve outcomes…

This study is testing a long version of the Ultimaster Nagomi stent in people with long blockages in their heart arteries. About 1,039 participants will receive the stent and be followed for one year to see if it works well and stays safe. The goal is to see if one long stent can…

This study tests whether giving caffeine to newborns with hypoxic ischemic encephalopathy (HIE) can reduce death or long-term disability. HIE is a brain injury caused by lack of oxygen around birth. The trial will enroll 830 full-term infants and give them either caffeine or a pl…

This study tests whether using artificial intelligence (AI) to analyze ultrasound images during heart stent placement can reduce future heart problems. About 3,000 adults with coronary artery disease will receive a stent guided by AI-enhanced intravascular ultrasound. Researchers…

This study tests whether starting inclisiran early during a hospital stay for a heart attack can lower bad cholesterol more than a placebo, when both are added to standard care. About 300 adults hospitalized for a heart attack will receive either inclisiran or a placebo shot at t…

This pilot study is testing whether the anti-inflammatory drug colchicine can lower inflammation and reduce the risk of atrial fibrillation (an irregular heartbeat) after coronary artery bypass surgery. 24 adults scheduled for bypass surgery will be randomly assigned to receive e…

This study tests whether doing wall squat exercises for 14 minutes, three times a week, can lower blood pressure and slow the buildup of plaque in arteries. Researchers will compare 100 people doing the squats with 100 people doing gentle stretching, all with high blood pressure.…

This early-stage trial tests an experimental drug called RO7663498, given as an injection into the eye, for people with diabetic retinopathy. The main goal is to check safety and how the drug moves through the body. About 30 participants will receive multiple doses to see if it i…

This Phase 3 trial tests whether sovateltide, a drug that stimulates ETB receptors, can improve recovery after an acute ischemic stroke. About 514 adults aged 18-80 will receive either sovateltide or a placebo alongside standard care. The main goal is to see if more patients achi…

This study follows 125 people who received a special stent graft (GORE TAG TBE) to treat a tear or bulge in the main artery near the heart (aortic arch). The goal is to see how well the device works and how safe it is over 5 to 10 years. Participants are treated as part of their …

This study compares a daily pill (rivaroxaban) to daily injections (low-molecular-weight heparin) for preventing blood clots in people with leg injuries that require a cast or brace. About 1,424 high-risk participants will be randomly assigned to one of the two treatments and fol…

This study tests two experimental drugs, REGN7508 and REGN9933, to prevent strokes in people with atrial fibrillation (an irregular heartbeat) who cannot or choose not to take standard blood thinners. About 2,628 participants will receive one of the drugs or a placebo to see if t…

This registry is tracking how well two stent grafts, Castor and Cratos, work for treating aortic conditions like dissections and aneurysms. About 100 patients across European hospitals will be followed for up to 5 years. The goal is to see if these devices are safe and effective …

This study tests a new, less invasive way to replace a leaky aortic heart valve (aortic regurgitation) using a device called the JenaValve Trilogy, compared to standard open-heart surgery. About 1,000 people with moderate to severe aortic regurgitation will be randomly assigned t…

This study compares two methods of guiding stent placement in the left main coronary artery: standard angiography versus fractional flow reserve (FFR), which measures blood pressure across the blockage. About 960 adults with significant left main artery disease will be randomly a…

This study follows 840 people with a completely blocked coronary artery (chronic total occlusion) for at least 10 years. Half received a drug-eluting stent, and half got optimal medical therapy alone. Researchers will compare rates of death, heart attack, stroke, and repeat proce…

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 early-stage trial tests a brain-computer interface called BrainGate for people with paralysis from conditions like ALS or spinal cord injury. A small sensor is placed in the brain to interpret movement-related signals, allowing users to control a tablet computer just by thin…

This trial investigates whether 16 weeks of yoga—including breathing, postures, relaxation, and meditation—can improve blood pressure, heart health, mental well-being, and thinking skills in adults aged 40 and older with high blood pressure. Participants are randomly assigned to …

This study tests an experimental drug called REGN13335 in 99 adults with pulmonary arterial hypertension (PAH), a condition where high blood pressure in the lungs makes the heart work harder. Participants will receive either the drug or a placebo, on top of their usual PAH medica…

This phase 3 trial tests whether a preservative-free version of bimatoprost eye drops works as well as the standard Lumigan drops for lowering eye pressure. About 600 adults with primary open-angle glaucoma or ocular hypertension in both eyes will receive either the new formulati…

This study tests whether eating only between about 6:30 am and 2:30 pm (an 8-hour window) for 6 days a week can improve blood pressure, blood sugar, and heart rate in adults aged 60 and older with high blood pressure. Participants will follow this pattern for 12 weeks. The goal i…

This phase 3 trial tests whether the drug dalcetrapib can reduce the risk of major heart problems like heart attacks in people who have a specific genetic makeup (AA genotype) and have recently had a heart-related event. About 2,000 participants will receive either dalcetrapib or…

This Phase 2 study tests whether weekly injections of MTX-001, a substance made from human amniotic fluid, can help heal venous stasis ulcers that haven't improved after at least 4 weeks of standard care. About 80 adults aged 18 to 90 with non-infected leg ulcers will receive eit…

This study tests whether a home-based cardiac rehab program delivered through a mobile app can reduce plaque buildup in the heart arteries of people with mild to moderate blockages. 176 participants will either get the app-based program (with exercise plans, diet advice, and ment…

This study tests whether baricitinib, a drug already approved for arthritis, can help people with Kohlmeier-Degos (KD) disease that affects the brain and spine. KD causes inflammation and blood clots that damage small blood vessels, and there is currently no treatment. The trial …

This study tests the drug lenalidomide in 42 adults with Behçet's syndrome who have stubborn mouth ulcers. Participants take 10 mg of lenalidomide daily for 12 weeks, then stop for 4 weeks of observation. The main goal is to see if the ulcers completely disappear by week 12.

This study tests a technology-based program to help women aged 18-44 with high blood pressure lower their blood pressure before getting pregnant. Participants will receive support through their primary care clinic and use online tools. The goal is to improve heart health and medi…

This study tests whether adding pelacarsen to inclisiran can further lower a type of cholesterol called Lp(a) in people with heart disease. About 340 adults with high Lp(a) and LDL-C will receive either pelacarsen or a placebo, plus inclisiran. The main goal is to see if Lp(a) le…

This study tests an experimental drug called REGN7508 (cenvacibart) against aspirin to prevent blood clots in 2000 adults having knee replacement surgery. The drug targets a clotting factor to reduce clot risk. Researchers will compare how many people develop clots or die from cl…

This study is checking the long-term safety of a drug called avacopan for people with ANCA-associated vasculitis, a rare disease where the immune system attacks blood vessels. About 300 adults who need treatment for a new diagnosis or flare-up will take avacopan or a placebo. The…

This study tests whether the drug avacopan can help children aged 6 to 18 with a rare autoimmune disease called ANCA-associated vasculitis, which causes inflammation of blood vessels. About 20 participants will receive avacopan alongside standard treatments like rituximab or cycl…

This study tracks 40 children aged 2 to 12 with hereditary angioedema (HAE) who are taking lanadelumab to prevent sudden, painful swelling attacks. Researchers will look at medical records to see how long kids stay attack-free and how the drug performs in daily life. No new treat…

This study tests whether canakinumab, an anti-inflammatory drug, can reduce blood vessel inflammation in people with coronary artery disease. Some participants have a genetic change called TET2 clonal hematopoiesis, which may increase inflammation. 120 adults will receive either …

This program provides access to pelacarsen, a drug for atherosclerotic cardiovascular disease, for patients who have no other treatment options and cannot join a clinical trial. It is for those with serious or life-threatening conditions where the potential benefit outweighs the …

This study tests two experimental drugs, REGN7508 and REGN9933, in about 1,200 people with atrial fibrillation (an irregular heartbeat). The goal is to see if these drugs can prevent blood clots and strokes with less bleeding compared to the standard blood thinner apixaban. Parti…

This trial compares two blood products—prothrombin complex concentrate (PCC) and fresh frozen plasma (FFP)—for controlling bleeding in people undergoing heart valve surgery. Doctors use a special test to guide which product to give and measure how quickly bleeding stops. The goal…

This study tests a new device called Freesolve, a temporary magnesium scaffold that props open blocked heart arteries and then dissolves over time. About 1,859 people with up to two new blockages will receive either this scaffold or a standard permanent stent. The goal is to see …

This study tests whether breathing in a safe, inexpensive gas called argon during carotid artery surgery can prevent brain damage and confusion after the operation. About 100 adults having elective carotid surgery will be randomly assigned to receive either argon gas or a placebo…

This study tests whether computer alerts can help doctors prescribe cholesterol-lowering drugs to people with peripheral artery disease (PAD) who aren't taking them. About 400 adults with PAD will be randomly assigned to have their doctors receive an alert or not. The goal is to …

This phase 3 study is testing whether a new drug called maridebart cafraglutide (MariTide) can reduce the risk of heart attacks, strokes, and death in people with heart disease who are overweight or obese. About 12,800 participants will receive either the drug or a placebo, added…

This study tests whether different oxygen targets (higher vs. lower) improve outcomes in 39 preterm infants with bronchopulmonary dysplasia and pulmonary hypertension. Each infant will experience both oxygen levels in a crossover design. The goal is to see which level reduces dan…

This study tests whether taking a ketone supplement can prevent the negative effects of eating too much salt, like high blood pressure and kidney strain. Researchers will give 35 healthy young adults either a high-salt diet with a ketone supplement or a placebo, then measure chan…

This Phase 2 trial tests an experimental drug called EYE103 (Restoret) in 160 people with wet age-related macular degeneration or macular edema from a branch retinal vein occlusion. Participants receive three eye injections of either a low or high dose of EYE103, spaced four week…

This study is testing a device called WRAPSODY CIE, a mesh tube placed in veins used for dialysis. The goal is to see if it can keep these veins from narrowing or blocking over time. Researchers will follow 250 people on dialysis for up to 3 years to check how well the device wor…

This study compares two doses of sirolimus (low vs high) given with prednisolone to children aged 0-18 who have a rare blood vessel tumor called kaposiform hemangioendothelioma with a serious blood clotting problem (Kasabach-Merritt phenomenon). The goal is to see if the lower do…

This study looks at whether the diabetes drug dapagliflozin can improve how well the right side of the heart works after off-pump coronary bypass surgery. Researchers will measure heart function in 72 patients with weak hearts before and after 6 months of taking the drug. The goa…

This study tests an experimental drug called REGN7508 (cenvacibart) to prevent venous thromboembolism (blood clots) in adults after elective total knee replacement. About 2,000 participants will receive either REGN7508, apixaban, or enoxaparin to compare effectiveness and safety.…

This study compares a new 'virtual stroke unit' approach to standard stroke unit care for people with a stroke who are not eligible for a clot removal procedure. The virtual unit uses video calls and monitoring equipment to let a specialist team at a main hospital help guide care…

This study is testing a device called the Indigo Aspiration System to remove blood clots from leg arteries in people with acute limb ischemia, a condition where a clot suddenly blocks blood flow. About 300 participants will undergo a procedure where the device sucks out the clot.…

This study tests whether closing a small pouch in the heart (left atrial appendage) with a device, along with blood thinners, can prevent another stroke better than blood thinners alone. It includes 482 adults with atrial fibrillation who had a recent stroke despite taking antico…

This study tests a procedure called rectal artery embolization (RAE) to treat bleeding from internal hemorrhoids. Doctors use imaging to guide tiny particles into the blood vessels feeding the hemorrhoids, blocking blood flow to reduce bleeding. The trial enrolls 20 adults with g…

Most older Americans eat too much salt, which can raise blood pressure and harm the kidneys. This study tests whether a ketone supplement (a substance the body makes during fasting or exercise) can block those harmful effects. Thirty-five adults aged 60-85 will follow a high-salt…

This phase 3 trial is testing two experimental drugs, REGN7508 and REGN9933, to prevent serious blood clots in people with peripheral artery disease who recently had leg surgery to improve blood flow. The study will enroll about 7,050 participants and compare the drugs to a place…

This Phase 3 trial tests TAK-330, a drug designed to reverse the effects of common blood thinners (Factor Xa inhibitors) in patients who need urgent surgery. About 440 adults will be randomly assigned to receive TAK-330 or standard care before their procedure. The main goal is to…

This study tests whether a team of a remote pharmacist, social worker, and nurse, working with patients through a phone app, can help African American and Latinx adults with uncontrolled high blood pressure lower their numbers. Two hundred participants will either get this team-b…

This early-stage trial tests an experimental drug called RO7823653, given as an eye injection alone or with an approved drug (faricimab), for people with diabetic macular edema—a condition where diabetes causes fluid buildup and vision loss in the center of the eye. The study wil…

This study tests an experimental drug called SAL0140 in people whose high blood pressure remains high despite current treatments. About 252 adults aged 18-75 with uncontrolled hypertension will receive either the drug or a placebo for 12 weeks. The goal is to see if SAL0140 safel…

This phase 3 trial is testing whether atorvastatin, a common cholesterol drug, is safe and can reduce inflammation in children with Kawasaki disease who also have coronary artery abnormalities. The study will enroll 9 children and give them different doses of atorvastatin for 6 w…

This phase 3 trial is testing an experimental drug called ADX-324 in 90 adults with hereditary angioedema (HAE) types 1 or 2. HAE causes sudden, painful swelling in the body. ADX-324 uses a technology called siRNA to lower levels of a protein involved in triggering these attacks.…

This study tests whether pemafibrate, a drug that lowers triglycerides, can prevent the worsening of narrowed brain arteries in people who have already had a stroke or mini-stroke. About 270 participants will be randomly assigned to receive either pemafibrate plus standard care o…

This early-phase trial tests a new drug called ADCT-701 in adults with rare cancers like neuroendocrine tumors, adrenal cancer, and malignant peripheral nerve sheath tumors. The goal is to find the safest dose and see if it can shrink tumors or slow disease. Participants receive …

This study is testing a device called the Cleaner Vac® Thrombectomy System, which uses suction to remove blood clots from deep veins in the leg. About 185 adults with deep vein thrombosis (DVT) will be enrolled. The goal is to see if the device can safely and effectively clear th…

This study is testing a new device called the Sphere-9 catheter, used with the Affera mapping system, to treat ventricular tachycardia (VT) — a fast, dangerous heart rhythm. The procedure uses heat to destroy small areas of scarred heart tissue that cause the abnormal rhythm. The…

This study tests whether a single midline incision in the pubic area works as well as the standard two incisions (one on each side) for repairing varicoceles in both testicles. The trial enrolls men aged 18 to 45 with a palpable bilateral varicocele and infertility lasting at lea…

This study tests a new drug called tarperprumig in 75 adults with ANCA-associated vasculitis, a rare disease where the immune system attacks blood vessels. The goal is to see if the drug is safe and can help control the disease by reducing inflammation. Participants will receive …

This study tests a new type of stent (a small mesh tube) for people with heart disease who also take blood thinners. These patients have a high risk of bleeding when they also need anti-clotting drugs after stent placement. The new stent is designed to allow a shorter course of a…

This study tests a drug called tenecteplase (TNK) for people who have had a stroke caused by a blood clot in the brain. The drug is given up to 24 hours after symptoms start, using only a simple CT scan to decide who can get it. The goal is to see if TNK helps people recover bett…

This study looks at whether adding oregano and basil leaves to the diet can lower inflammation and improve cholesterol in people who have recently had unstable angina. About 70 participants will eat these herbs and have their blood and urine tested. The goal is to see if these co…

This study tests a device called DaRT that delivers a unique type of radiation (alpha particles) directly into tumors. It is designed for people with certain skin cancers, mouth cancers, or soft tissue sarcomas that are accessible for direct injection. The goal is to see if this …

This study tests a special sealant called Immiseal that is applied during brain or spine surgery to prevent leaks of cerebrospinal fluid. It is used along with standard repair methods to create a watertight seal. The study follows adults aged 18 to 75 who need dural repair after …

This study tests whether infliximab (Remicade), a drug used for arthritis and other inflammatory conditions, can shrink a specific type of brain aneurysm called a dolichoectactic vertebrobasilar (DVB) aneurysm. These aneurysms are difficult to treat with surgery or stents, and th…

This trial investigates whether people with diabetic macular edema can safely monitor their vision and eye health at home instead of making frequent hospital visits. Participants use a home vision tester and a portable eye scanner every four weeks, with results sent to their doct…

This study tests whether a robotic hand device can help people recovering from a stroke improve hand strength and dexterity better than standard physical therapy. Thirty adults with sub-acute stroke (2 weeks to 6 months post-stroke) will be randomly assigned to receive either rob…

This study tests whether an artificial intelligence (AI) tool that analyzes a simple ECG can help doctors find undiagnosed pulmonary hypertension (high blood pressure in the lungs) in people with interstitial lung disease. About 900 adults with severe lung scarring will be random…

This study tests whether using an AI-driven retinal camera during regular diabetes checkups can increase the number of young people screened for diabetic retinopathy, a leading cause of blindness. Researchers will enroll 500 youth with type 1, type 2, or cystic fibrosis-related d…

This phase 2 study tests a new radioactive imaging agent, 18F-mFBG, to measure nerve damage in the hearts of 20 people with stable heart failure and implantable defibrillators (ICDs). The goal is to see if the agent can reveal differences in nerve function between those who have …

This study tests whether a portable, low-field MRI machine can detect brain injuries in children who are on ECMO (a heart-lung bypass machine). The MRI is brought to the bedside, avoiding the need to move critically ill children. Researchers will scan children at several time poi…

This study tests a new device called nOCT that acts like a tiny camera on a flexible wire. It slides into brain blood vessels during standard aneurysm treatment to take detailed pictures of the vessel wall and any implanted coils or stents. The goal is to see if these images help…

This study investigates whether using a lower dose of iodine contrast dye in CT scans can still produce high-quality images needed to plan a heart valve replacement procedure (TAVR). Normally, 100 ml of contrast is used, but reducing the dose may help avoid kidney injury and save…

This study is testing new, lower-radiation CT scan methods for taking pictures of the heart and blood vessels. Researchers want to see if these scans are accurate at finding blocked arteries and predicting future heart problems like heart attacks. About 5,000 adults who need a he…

This trial tests a wearable bracelet called Stroke Alarm that detects when a stroke causes arm weakness. People aged 50 and older with certain high-risk conditions (like recent mini-stroke, atrial fibrillation, or artery disease) wear the device for 3 months. The goal is to see i…

This study is testing a home-based eye-tracking system called AVIGA to see if it can detect when wet age-related macular degeneration (AMD) comes back. Sixty adults aged 50-99 who are being treated for wet AMD will use the AVIGA device at home, and its accuracy will be compared t…

This study tests whether a magnetocardiography (MCG) device can detect reduced blood flow to the heart muscle in people with acute chest pain but no major artery blockages. About 3,786 participants will undergo MCG scanning, and results will be compared to a standard ultrasound t…

This study looks at whether a protein in the blood, called I-FABP, can tell doctors if a child's IgA vasculitis is affecting their stomach or intestines. Researchers will take blood samples from 100 children at diagnosis and again 2-4 weeks later. If I-FABP levels are linked to g…

This study is testing whether artificial intelligence (AI) can predict or rule out a heart attack using data from standard blood tests. Researchers will analyze white blood cell properties from over 3,000 adults who come to the hospital with chest pain. The goal is to see if AI c…

This study is testing whether a digital stethoscope, combined with artificial intelligence, can detect two serious conditions: high blood pressure in the lungs (pulmonary hypertension) and a weak heart pump (low ejection fraction). About 3,850 adults will have their heart sounds …

This study is testing whether a digital stethoscope and a simple heart monitor (ECG) can detect pulmonary hypertension, a serious condition where blood pressure in the lungs is too high. About 1,500 adults who are already scheduled for heart tests will have their heart sounds and…

This study is testing whether a special digital stethoscope, combined with artificial intelligence, can detect pulmonary hypertension (high blood pressure in the lungs) by listening to heart sounds and recording a single-lead ECG. Researchers will enroll over 2,400 adults who are…

This study compares two types of CT scans—PET/CT and ultra-high-resolution CT—to see which one better detects early signs of coronary artery disease in people with symptoms like chest pain. Researchers will measure the amount of plaque in the arteries and check how accurately eac…

This study looks at the best way to prevent blood clots in people who have a leg cast or splint after an injury. For those at high risk of clots, it compares pills to standard injections. For low-risk people, it checks if any medication is better than just advice. Over 10,000 par…

This Phase 2 study tests whether a daily pill called EVO756 can prevent migraines in adults who have not had success with other preventive treatments. About 330 participants will receive either EVO756 or a placebo, and researchers will track how many migraine days they have each …

This study tests a drug called BX-001N to see if it can prevent acute kidney injury in people having heart surgery. About 40 adults will receive either a low dose, high dose, or a placebo. The goal is to see if the drug can keep kidneys working well after surgery.

This study is testing whether taking daily aspirin (100 mg) along with a high-intensity statin can prevent heart attacks, strokes, and other serious cardiovascular events in people aged 40–75 who have severe coronary artery calcification (calcium score ≥300). About 5,000 particip…

This study tests if the drug milrinone can prevent a serious heart complication called post-ligation cardiac syndrome (PLCS) in very preterm infants after surgery to close a heart vessel. About 316 babies born before 28 weeks will receive either milrinone or standard care. The go…

This study is testing whether a home-based screening kit can identify hidden heart risks better than standard doctor visits. 45,000 adults in Sweden aged 50-75 will either receive a home blood pressure monitor, a finger-prick blood test, and a health questionnaire, or continue wi…

This phase 3 trial tests whether injections of Xeomin (a botulinum toxin type A) into head and neck muscles can prevent episodic migraines. About 990 adults with episodic migraine will receive either Xeomin or a placebo every 12 weeks for up to 55 weeks. The main goal is to see i…

This study looks at the safety and effectiveness of atogepant, a drug already approved for migraine prevention, in Korean adults. About 3000 people with chronic or episodic migraines will take the drug as prescribed by their doctor and be followed for up to 12 weeks. The goal is …

This phase 3 trial tests whether two different eye treatments can prevent vision loss in people who have had radiation therapy for a type of eye cancer called uveal melanoma. The study will compare faricimab injections given every 3 months, a fluocinolone acetonide implant placed…

This study compares two different doses of vitamin D3 supplements in pregnant women who have low vitamin D levels. The goal is to see if a higher dose (50,000 IU every two weeks) is better than a lower dose (5,000 IU weekly) at preventing preeclampsia, a serious pregnancy complic…

This trial tests whether a community-based screening program using advanced eye imaging (OCT, fundus photography, and pressure checks) can prevent vision loss from age-related macular degeneration, diabetic retinopathy, and glaucoma better than simple vision tests alone. About 60…

This study tests whether a nerve block (rectus sheath block) can control pain after open abdominal aortic aneurysm repair as well as the standard epidural analgesia, but with fewer complications. About 60 adults undergoing elective surgery will be randomly assigned to one of the …

This study tests whether adding music-like sounds (sonification) to standard walking rehabilitation can improve gait, balance, and quality of life. 120 adults with Parkinson's disease, stroke, or multiple sclerosis will be randomly assigned to standard rehab or rehab with sonific…

This study tests whether a home-based telerehabilitation program, using games, exercises, and video calls with therapists, can improve arm function and reduce disability in people who had a stroke 90-150 days ago. 202 participants will be randomly assigned to receive telerehabili…

This study tests a wearable device that sends gentle, low-frequency electromagnetic fields to the brain to help people who had a stroke more than 6 months ago recover arm movement and reduce disability. About 25 adults with chronic stroke will use the device in a clinic to see if…

This study tests a new drug, elismetrep, to see if it can quickly stop migraine pain and bothersome symptoms like nausea or light sensitivity. About 1800 adults with frequent migraines will receive either the drug or a placebo. The main goal is to measure how many people are pain…

This phase 2 trial tests whether injecting lidocaine and methylprednisolone into the middle meningeal artery can reduce severe headaches after a subarachnoid hemorrhage (a type of brain bleed). The procedure is done during a routine angiogram and aims to lower pain and opioid use…

This study tests the long-term safety of rimegepant, a migraine medication taken as a dissolving tablet, in children and adolescents aged 6 to 18. About 600 participants with a history of migraine will take the drug as needed for up to one year. The main goal is to check for side…

This study looks at whether taking a second dose of the migraine medication rimegepant is safe and helpful for adults whose migraine pain isn't fully relieved by the first dose. About 400 people aged 18 and older with a history of migraines will take part. Researchers will track …

This study compares two laser treatments—Nd:YAG versus diode—both combined with injection sclerotherapy, for removing reticular veins and spider veins (telangiectasias) using the CLaCS technique. About 80 adults aged 18 to 60 with these veins will receive one of the two laser typ…

This study tests whether a personalized exercise program—focusing on the specific leg muscles affected by blocked arteries—can help people with peripheral arterial disease walk longer distances without pain. Participants are randomly assigned to either a tailored muscle-strengthe…

This study tests whether rimegepant, a fast-dissolving tablet, can safely relieve migraine pain in children and adolescents aged 6 to 18. About 2,100 participants will receive either the drug or a placebo during a migraine attack. The main goal is to see if more kids become pain-…

This study tests a wearable neuroprosthesis that uses mild electrical stimulation to help stroke survivors open their hand. Two participants will use the device at home for one year to see if it improves daily activities and quality of life. The goal is to understand how well the…

This study tests whether the drug vericiguat can improve blood flow in the tiny vessels of the heart and reduce chest pain. About 94 adults aged 40-75 with stable chest pain but no major blockages will take the drug or a placebo. The main goal is to see if heart blood flow improv…

This study tests whether ear acupuncture, led by village doctors and supported by telemedicine, can improve sleep in adults aged 65 and older who have both diabetes and high blood pressure. Participants will receive either real or sham ear acupuncture for 6 weeks. The goal is to …

This pilot study tests whether a 12-week home-based exercise program using a small pedal exerciser can help people with moderate-to-severe peripheral artery disease (PAD) walk farther and feel better. Twelve adults with severe PAD will be randomly assigned to either the home exer…

This study tests whether doing yoga-based exercises once a week for 8-12 weeks can reduce headache frequency and improve sleep and quality of life in people with chronic migraine or cluster headache. Participants can join online or in person. The goal is to see if yoga can be a h…

This pilot study will test whether chiropractic care can help people with episodic migraine (4-13 migraine days per month). Sixty adults aged 18-65 will receive either personalized chiropractic care or headache health education. The main goal is to see if a larger trial is feasib…

This pilot study tests whether a structured, evidence-based physical therapy program (including education, aerobic exercise, and relaxation) works better than standard physiotherapy for adults with migraine. About 195 participants aged 18-70 with a confirmed migraine diagnosis wi…

This study is testing a smartphone app called MedlyPeds that lets children with heart disease send their weight, blood pressure, and heart rate to their doctors from home. The app also asks about symptoms and sends personalized tips. The goal is to see if the app is easy to use a…

This study tests a wearable robotic knee device (AKO-R) to help people who have had a stroke walk more symmetrically. Twenty participants will do treadmill and overground walking with the device. Researchers will check safety and measure improvements in step length and stance tim…

This study compares two types of speech therapy for people with aphasia, a language disorder often caused by stroke. One therapy, called Semantic Feature Analysis (SFA), helps people name objects by describing their features. The other adds metacognitive strategy training (SFA+MS…

This study tests whether repetitive transcranial magnetic stimulation (rTMS) can improve heart rate variability and quality of life in people who have had a stroke. 44 participants will receive either real or sham rTMS for 4 weeks. The goal is to see if this brain stimulation can…

This study tests whether adding immersive virtual reality (VR) to robotic walking rehabilitation is tolerable for people who cannot walk after a stroke. Thirty non-walking stroke patients will try both standard robotic rehab and VR-enhanced sessions. Researchers will measure moti…

This study tests a once-daily pill called orforglipron in about 1205 people with peripheral artery disease (PAD) who have leg pain when walking. The goal is to see if the drug helps them walk farther without pain and improves their quality of life. Participants will be followed f…

This study compares two drug combinations (ketamine with propofol vs. dexmedetomidine with propofol) for sedating children aged 2-12 during a heart catheterization to close simple heart defects. The goal is to see which approach causes fewer breathing problems and provides smooth…

This early-phase trial tests whether a single dose of Vumerity (diroximel fumarate) can improve blood vessel function and walking ability in 20 people aged 50-75 with peripheral artery disease (PAD). Participants will receive either Vumerity or a placebo, and researchers will mea…

This study tests whether a 12-week program of daily breathing exercises can improve lung function and reduce fatigue in adolescents with Behcet disease who have had lung surgery. Forty participants will do inspiratory muscle training at home, six days a week. Researchers will mea…

This early-phase trial tests a new nasal ointment called TOR-582, which contains sirolimus, in 27 adults with hereditary hemorrhagic telangiectasia (HHT) who have frequent nosebleeds. Participants apply the ointment inside their nostrils twice daily for 12 weeks, with different s…

This trial tests a wearable robot called ENMS-BSF that combines soft muscles, electrical stimulation, and balance feedback to correct foot drop and foot inversion after a stroke. Sixty people who had a stroke at least six months ago and have mild-to-moderate walking problems will…

This study is testing whether combining two types of electrical stimulation with a robotic arm trainer can help people who had a stroke at least six months ago improve their arm movement. 65 participants will receive 20 sessions over 4-7 weeks. The goal is to see if this approach…

This study compares a home-based telerehabilitation program (Tele-CPASS) to standard in-person therapy for improving arm and hand function after a stroke. Forty-two recent stroke survivors with arm weakness will be randomly assigned to receive 20 hours of either remote or in-pers…

This study tracks about 1,000 people with migraine who are taking AJOVY (fremanezumab) as part of their regular care. The goal is to see how safe the drug is over the long term, especially regarding heart problems. Researchers will also collect information on how well it works. T…

This study tests whether a spinal cord stimulator, combined with physical therapy, can help people who have had a stroke regain arm and hand movement. Twenty adults with long-term arm weakness will first do therapy alone, then get a spinal implant and repeat therapy with stimulat…

This study tests whether combining progressive muscle relaxation and guided imagery can lower stress, anxiety, and depression in people with stable coronary artery disease. Forty adults will be split into two groups: one gets eight sessions of these mind-body techniques over four…

This study tests whether a combination of two existing drugs, nortriptyline and topiramate, can reduce vertigo and other symptoms in people with Meniere's disease. Forty adults with active Meniere's will take the drugs or a placebo for 8 weeks. The goal is to see if this approach…

This study tests whether a gentle, non-invasive nerve stimulation (called tVNS) applied to the ear or neck can improve arm movement, thinking, and quality of life when paired with standard therapy in people who had a stroke 3–6 months ago. About 54 adults who had their first isch…

This study tests a wearable device that vibrates leg muscles to reduce spasticity (stiffness) and improve walking. Twenty-five people with spasticity from a neurological condition will use the device for 15–60 minutes in the lab and at home. Researchers will measure muscle activi…

This study tests whether a non-invasive brain stimulation technique called TMS, combined with language therapy, can improve speech in people who have aphasia after a stroke. Researchers will compare real TMS to a sham (fake) version in 63 participants who had a stroke 2 to 6 week…

This study tests two pain-relief methods—low-dose laser and TENS—for people with moderate to severe shoulder pain after a stroke. About 45 adults who had a stroke within the last 2 weeks to 6 months will receive one of the treatments. The goal is to see which works better for pai…

This study looks at whether adding a modified form of cognitive behavioral therapy (a type of talk therapy) to standard occupational or speech therapy can improve emotional well-being and daily functioning in stroke survivors. The trial will enroll 80 adults who had a stroke at l…

This study tests whether using a soft robotic hand together with electrical stimulation can help stroke survivors regain hand movement faster than using either therapy alone. About 64 adults who had a stroke 3-6 months ago will receive 40-minute sessions three times a week for 8 …

This study tests a new guidance system called LumiGuide that uses light instead of X-rays during a complex aortic aneurysm repair procedure (FEVAR). The goal is to see if it reduces the time patients and doctors are exposed to radiation. About 182 adults needing this surgery will…

This study looks at whether a regular exercise program can improve the benefits of botulinum toxin (Botox) injections for arm stiffness after a stroke. About 70 stroke survivors with arm spasticity will receive Botox and then be randomly assigned to either a prescribed exercise r…

This study tests whether a new type of virtual reality therapy can improve arm function in people who had a stroke. Fifty-four participants will try different versions of mirror therapy, some with added attention-focusing techniques. The goal is to see which approach works best f…

This study tests whether using a higher voltage during a nerve-blocking procedure (pulsed radiofrequency) can better relieve pain in people with chronic migraine who haven't responded to at least two preventive medications. One hundred participants will be randomly assigned to re…

This study is testing a mobile health app called Moms@Home to help pregnant women with high blood pressure monitor their readings at home. About 100 women with gestational or chronic hypertension will use the app and share their home blood pressure data. The goal is to see if the…

This study tests a non-invasive device that gently stimulates a nerve in the ear to see if it can reduce depression symptoms in people who have had a heart attack or related heart problem and a stent placed. About 120 adults will use the device at home for 8 weeks, and their mood…

This study is testing a nurse-led mind-body program to help children and teens with migraine have fewer headache days. The program combines different treatment parts, like relaxation and coping skills, to find the best mix. The study will include 260 participants aged 10-17 who h…

This study looks at urinary problems in people recovering from a stroke. Researchers compare patients with and without bladder issues and test two simple behavioral approaches: for those with thinking difficulties, training to go to the toilet immediately when they feel the urge;…

This study tests an investigational inhaled medication called ASY202 (dihydroergotamine dry powder) for treating migraine attacks in adults. Participants use a handheld inhaler to take the drug or a placebo during separate migraine episodes, and neither they nor the study team kn…

This study looks at whether a person's personality before a brain injury or stroke influences how well they recover thinking and memory skills. Researchers will follow 250 adults with severe acquired brain injury or stroke, testing their cognitive abilities, daily functioning, an…

This study aims to better understand and treat people with certain inherited metabolic or genetic disorders. Researchers will use standard medical tests like blood work and imaging to diagnose and care for participants, who may also join other related studies. The goal is to expa…

This study looks at how social and lifestyle factors—like education, race, and income—affect a person's thinking and memory after a stroke. Researchers will interview 450 adults who had a stroke and review their brain scans and medical records. The goal is to understand why some …

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 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 natural history study follows 270 adults with pulmonary arterial hypertension (PAH) and healthy volunteers to track how the disease changes over time. Researchers will use blood tests, heart and lung imaging, and a six-minute walk test to find new markers of disease severity…

This study follows 130 adults with moderate to severe traumatic brain injury to see if early problems with brain blood flow regulation are linked to thinking and memory problems one year later. Participants undergo brain scans and cognitive tests over the first year after injury.…

This study explores whether a thermal imaging camera can detect changes in blood flow to the legs after a procedure to reopen blocked arteries. Researchers will compare temperature readings from the camera with standard ankle-brachial index measurements in 25 people with severe p…

This study from the National Human Genome Research Institute aims to better understand Congenital Disorders of Glycosylation (CDG), a group of rare genetic conditions that affect how the body attaches sugars to proteins and fats. Researchers will examine up to 200 participants, i…

This study looks at 20 adults with COL5A gene mutations to find out why some get aortic aneurysms (a bulge in the main artery) and others don't. Researchers will take a small skin sample and study the cells to see differences in how they build and organize tissue. The goal is to …

This study investigates the sequence of early warning signs, called premonitory symptoms, that occur before a migraine headache starts. Researchers will follow 500 adults with migraine who will record their symptoms using an electronic diary for up to five attacks. The goal is to…

This study compares two eye drop treatments—latanoprost alone versus a combination of netarsudil and latanoprost (Rocklatan)—to see if the combination improves blood flow in the veins around the eye. Researchers will use special imaging techniques to measure blood flow in adults …

This study follows 5000 people admitted to a neuro-intensive care unit with life-threatening brain conditions like bleeding in the brain or severe seizures. Researchers collect medical data and biological samples to better understand how brain injuries progress and what factors h…

This study follows 155 adults with CADASIL, a genetic condition that narrows small blood vessels and raises the risk of strokes and dementia, over nine years. Researchers will use brain scans, blood tests, and other exams to track how the disease changes blood vessels and thinkin…

This study aims to uncover genetic and environmental risk factors for hemorrhagic stroke, a type of stroke caused by bleeding in the brain. Researchers will analyze DNA, RNA, and blood samples from 1,000 adults who have had such a stroke, comparing them to healthy controls. By id…

This study looks at how stroke survivors with weakness on one side (hemiplegia) perceive internal body signals, like heartbeat, and whether that relates to their balance, touch sensation, and joint position sense. Researchers will assess 60 participants in a single session using …

This study aims to uncover genetic changes that cause autoimmune diseases in people native to Peru. Researchers will collect blood, urine, and stool samples from 300 participants, including patients with conditions like lupus and rheumatoid arthritis, their family members, and he…

This study is looking for ways to predict which migraine patients will respond well to a class of drugs called anti-CGRP monoclonal antibodies. Researchers will analyze clinical, biological, and brain imaging data from 350 adults with frequent migraines. The goal is to find bioma…

This study is testing a new type of MRI scanner that uses less energy than standard machines. The goal is to see if it can still take clear pictures of the heart, which could help people with metal devices in their body. Healthy volunteers and people with heart disease will have …

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 explores whether migraine attacks can be predicted before the headache phase begins. Researchers will monitor people with episodic migraine (10–14 migraine days per month) using a wearable device that tracks heart rate and other body signals, along with a diary of earl…

This study follows up to 3,500 people with sickle cell disease to learn more about how the condition progresses and what complications arise. Participants receive their usual medical care outside the hospital and visit the clinic for check-ups and research tests. No experimental …

This study aims to learn more about lipid disorders—conditions that affect fats like cholesterol in the blood. Researchers will observe up to 2,000 people with abnormal cholesterol levels to better understand how these disorders develop and how to diagnose them. Participants will…

This study compares different types of heart valve prostheses used to treat severe aortic stenosis in people with a small aortic annulus. Researchers will test the valves in the lab and then in patients using echocardiograms and a special MRI scan that measures blood flow. The go…

This study looks at how exercise training impacts blood vessel function in people with PTSD or generalized anxiety disorder, compared to healthy individuals. Researchers want to understand if harmful substances called oxidants play a role in blood vessel damage. The study involve…

This study is testing a new non-invasive blood pressure device that uses a cuff and special algorithm to measure blood pressure. Researchers will compare its readings to those from an arterial line, which is the most accurate method but requires a needle in an artery. The study i…

This study looks at how well hospitals manage severe oxygen deprivation (asphyxia) in newborns at or near full term. Researchers will review care given during labor and after birth to find where improvements can be made. The goal is to help doctors and nurses provide better, fast…

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 MRI scans of 128 people who have had a brain hemorrhage (bleeding in the brain). Researchers want to see if a specific contrast pattern called a 'spot sign' can help predict which bleeds might get worse. By understanding these patterns, doctors hope to identif…

This study will test a new 3D imaging device called SkinScan3D to see if it can measure Kaposi Sarcoma skin lesions more accurately and consistently than the current manual method. Researchers will compare the two methods in 300 adults with confirmed Kaposi Sarcoma who are starti…

This study looks at the causes and effects of food allergies and related conditions like eczema and eosinophilic esophagitis. Researchers will collect blood, skin, and genetic samples from up to 1,800 people over many years. The goal is to find biomarkers and pathways that explai…

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 tests a new device called the Spur scaffold, used with a drug-coated balloon, to treat blocked arteries below the knee in people with chronic limb-threatening ischemia (CLTI). The study includes 40 high-risk patients—those with diabetes or on dialysis—and measures how …

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 is creating a large collection of health information and biological samples (like blood, saliva, and eye tissue) from people with and without retinal diseases. Researchers aim to use this database to better understand conditions like age-related macular degeneration an…

This study investigates how changes in kidney cell metabolism relate to the rate of kidney function decline in people with ANCA vasculitis and other kidney diseases. Researchers will analyze kidney biopsy samples and blood/urine tests from 146 participants over one year. The goal…

This study uses a special catheter to record detailed electrical signals from the heart during a standard procedure for dangerous heart rhythms (ventricular tachycardia). Researchers aim to better understand why these rhythms start and how to pinpoint the exact trouble spots. Ten…

This study collects blood, bone marrow, and tissue samples from people with HIV, KSHV, or certain cancers to help researchers learn more about these diseases. Participants must be 18 or older and may have HIV, KSHV, or related conditions. No treatment is given; the goal is to gat…

This study asks 30 staff and students at the University of Nottingham to review draft recruitment materials for a future study on thoracic aortic disease. Participants will give feedback on how clear, easy to read, and appropriate the documents are. The goal is to improve these m…

This study tracks 98 people with peripheral artery disease who had a stent placed in their iliac artery. Researchers want to see which patients later develop serious limb complications, like needing another procedure or amputation. They will also check if frailty plays a role. Th…

This study investigates why some people with moderate aortic valve stenosis get worse while others remain stable. Researchers will analyze immune system markers and detailed heart images from about 938 participants to find patterns that predict disease progression. The goal is to…

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 registry follows 10,000 people with early varicose veins to see how chronic venous disease develops and worsens over time. Researchers will track signs like spider veins, swelling, skin changes, and blood clots using yearly checkups and ultrasound scans. The goal is to bette…

This study is testing a new, non-invasive device that uses electrical signals to measure blood flow in the legs. It includes 20 healthy volunteers and 20 patients with deep vein thrombosis (DVT) who are undergoing clot-busting treatment. The goal is to collect data to improve the…

This study looks at skin problems that appear during a COVID-19 infection, with a special focus on chilblains (painful red or purple bumps on fingers or toes). Researchers want to understand why these skin changes happen—whether from the virus itself, tiny blood clots, or inflamm…

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 tests two improvements for heart catheterization done through a small artery in the wrist. First, it checks if a special patch can stop bleeding faster. Second, it sees if using ultrasound to guide the needle makes the procedure more successful. About 480 adults needin…

This study will screen 3,000 adults with heart disease (coronary artery disease, atrial fibrillation, or heart failure) to see how many also have COPD, a serious lung condition. Doctors and patients will receive education on managing both heart and lung problems together. The goa…

This study looks at 60 people with stable angina who have two blocked heart arteries. During a procedure, doctors will temporarily inflate a tiny balloon inside each stent to reduce blood flow while the patient exercises on a bike. The goal is to measure exactly how much flow red…

This study is testing a portable device that measures electrical signals and light absorption to monitor blood flow in tissue flaps used for breast reconstruction. Ten women undergoing this surgery will have the device attached to the flap during the operation. The goal is to see…

This study looks at whether home blood pressure readings can correctly identify different types of high blood pressure (like masked or white coat hypertension) in children aged 6 to 18. Researchers will compare home measurements to 24-hour ambulatory monitors in 52 kids referred …

This observational study will follow 1300 critically ill adults in intensive care to see if a blood test called anti-factor Xa activity can predict dangerous blood clots (deep vein thrombosis or pulmonary embolism). Researchers will also track bleeding risks, quality of life, and…

This study follows 1,000 people with small, unruptured brain aneurysms (3-7 mm) for three years. Researchers will use MRI scans to see if a specific imaging sign—wall enhancement—can predict which aneurysms grow. The goal is to create a safer, personalized monitoring plan so that…

This study is creating a large database of information from 10,000 adults undergoing heart surgery. Researchers will collect detailed data before, during, and after surgery to identify factors that affect recovery and complications. The goal is to improve risk prediction, persona…

This study looks at whether severe gum disease (periodontitis) is linked to stiffer arteries, which is a sign of heart risk. Researchers will compare 206 adults aged 40-69—half with advanced gum disease and half with healthy gums—using a simple test that measures artery stiffness…

This study aims to uncover the biological basis of fibromuscular dysplasia (FMD) and related artery conditions like spontaneous coronary artery dissection (SCAD) and cervical artery dissection (CvAD). Researchers will analyze genetic and molecular data from 600 participants, incl…

This study follows 300 adults aged 30–60 with genetically confirmed familial hypercholesterolemia, a condition causing very high cholesterol. Researchers use CT scans to see how coronary artery plaques change over 5 years. The goal is to better understand disease progression and …

This study follows 3,450 patients with aortic valve narrowing (aortic stenosis) to better understand their long-term outlook. Researchers will look at ultrasound measurements and other factors to find what predicts how the disease progresses. The goal is to improve how doctors as…

This study is collecting blood, urine, and fecal samples from 100 people with ANCA-associated vasculitis, a rare autoimmune disease. Researchers will follow participants for up to 5 years, tracking relapses and complications. The goal is to identify factors that predict disease f…

This study is translating and testing a French version of the Trunk Impairment Scale (TIS), a tool that measures trunk control and balance while sitting. Researchers will enroll 67 stroke patients to check if the scale is accurate and reliable. The goal is to give French-speaking…

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 large observational study in Mali is following up to 15,000 pregnant women and children to understand why some get malaria and others don't. Researchers are looking at immune responses, parasite features, and other factors that influence infection and disease severity. The g…

This study is a registry that collects information from all suspected heart attack cases in Tomsk, Russia. It aims to track how many people die within 28 days and one year after a heart attack. No new treatments or drugs are being tested—just observation and data gathering.

This study looks at how ANCA-associated vasculitis affects the eyes. Researchers will use a special imaging test called OCT angiography to examine blood vessels in the eyes of 70 participants. The goal is to better understand and detect eye involvement early, which could help pre…

This study is a long-term registry that collects health information from people with Fabry disease, a rare genetic disorder. It does not test any new treatments; instead, it follows up to 9,000 patients worldwide to better understand how the disease progresses and how current tre…

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 observing 20,000 people undergoing routine heart or blood vessel procedures through the wrist (radial or ulnar artery). Researchers will track complications like artery blockage, spasm, and bleeding. The goal is to gather real-world data to improve safety and succes…

This study looks at whether a special imaging technique called Quantitative Flow Reserve (QFR) can help predict how well a blood vessel graft will work after coronary artery bypass surgery. Researchers will follow 110 patients for one year after surgery to check if the grafts sta…

This study looks at whether detailed heart scans (echocardiograms and MRIs) can improve how doctors predict short-term risks in people with a type of high blood pressure in the lungs (pulmonary arterial hypertension). Researchers will follow 50 adults for 6 months to see if addin…

This observational study collects data from UK preterm babies with retinopathy of prematurity (ROP) who are treated with the drug aflibercept (Eylea) using a paediatric dosing device. The main goal is to count how many babies receive this treatment and decide if there are enough …

This natural history study aims to collect data from 1,200 people with lymphatic anomalies—rare conditions affecting the body's lymph system—over many years. Researchers will track symptoms, perform genetic testing, and gather biospecimens to better understand why these condition…

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 tracking 2000 patients with moderate to severe pulmonary embolism (blood clots in the lungs) who undergo a procedure called computer-aided vacuum thrombectomy, where a special tube sucks out the clot. Researchers want to see how well the procedure works and what com…

This study collects tissue and blood samples from adults with HIV, other immune disorders, or cancers thought to be caused by viruses. Researchers will compare genes in cancer tissue to normal tissue to find genetic changes that drive these cancers. The goal is to better understa…

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 tracking 500 people who receive the INSPIRIS RESILIA aortic valve during surgery. Researchers will measure how well the valve works by checking blood flow and leakage over time. The goal is to see how the valve performs in everyday medical practice.

This study is looking at whether a simple exercise test and other health factors can predict how well people recover after a procedure called TAVI, which replaces a narrowed heart valve. Researchers will follow 161 patients with severe aortic stenosis to see which factors before …

This observational study will follow 5000 people with pulmonary hypertension to understand a severe complication called pulmonary hypertension crisis. Researchers will collect medical data and samples to build a risk prediction tool. The goal is to identify who is at risk and imp…

This study will analyze health records from 2009 to 2024 to find out how many people in Germany have three serious eye conditions: wet age-related macular degeneration, diabetic macular edema, and retinal vein occlusion. Researchers will look at data from two large German health …

This study looks at whether a special CT scan (CT-FFR) can help doctors predict heart attacks and other serious events in people with chronic coronary syndrome. About 3,000 participants in China will be followed for up to 5 years. The goal is to see if abnormal CT-FFR results are…

This study compares how a 60-minute treadmill walk changes blood clotting in people who have had a blood clot (venous thromboembolism) and those who haven't. Researchers will measure clotting markers before and after exercise in 94 participants. The goal is to better understand h…

This study follows 50 adults who have had pulmonary endarterectomy surgery for chronic blood clots in the lungs. Researchers will measure walking ability, muscle strength, lung function, and frailty before and after surgery. The goal is to understand how recovery progresses and w…

This study looks at how physical activity, sleep, and light exposure relate to mood in people with bipolar disorder, major depression, or no mood disorder. Over two years, participants wear activity monitors and complete smartphone diaries for up to 20 days at a time. The goal is…

This study aims to discover new genes that may cause certain cancers to run in families. Researchers will collect blood samples and health information from 1,500 people in families where multiple members have had cancer, especially childhood cancers. The goal is to build a regist…

This study investigates the specific cognitive strengths and weaknesses of children and adults with Sturge-Weber Syndrome (SWS), a rare condition affecting blood vessels in the brain, skin, and eyes. Participants complete a series of tests measuring memory, attention, language, a…

This study at Mayo Clinic compares 50 people who have had SCAD (a tear in a heart artery) with healthy volunteers. Researchers measure artery stiffness, thickness, and how the 'fight or flight' nervous system responds to stress. The goal is to understand what might cause SCAD, no…

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 tracks how a touch signal on the finger travels through the nervous system to the brain. Researchers will apply different force levels to the finger and measure when people first feel it, along with brain activity using fMRI. The study includes 60 people: young adults,…

This study at Mayo Clinic looks at how changes in the blood vessels of the lungs affect people with heart valve disease. Researchers will use echocardiograms during routine heart catheterization to measure these changes in 600 adults scheduled for valve procedures. The goal is to…

This study looks at whether people with migraine have different shoulder muscle activity and arm performance compared to those without migraine. Researchers will measure muscle signals and shoulder movement in 50 adults aged 18-55. The goal is to understand how migraine might aff…

This study uses a special eye scan (OCT angiography) to take detailed pictures of blood vessels in the back of the eye. Researchers will follow about 1,050 people with retinal diseases like diabetic retinopathy and healthy volunteers to see how these images can help detect early …

This study uses fMRI and EEG to understand how brain areas that plan movement interact with those that process sound during speech. Researchers will compare healthy adults and people who have had a cerebellar stroke. The goal is to learn how the brain adjusts hearing during speak…

This study explores whether exercising the unaffected leg at home can trigger beneficial brain and spinal changes in people with severe stroke. Participants perform strength and coordination tasks with their stronger leg using a tablet-based system, while researchers measure brai…

This study is a registry that collects information on the safety and effectiveness of Medtronic medical devices already on the market. It will include up to 100,000 people who have or will receive a Medtronic product for conditions like heart, nerve, or digestive disorders. The g…

This study looks at how to reduce the long and frustrating journey to a diagnosis for people with developmental abnormalities. Researchers will review past cases, collect new blood or skin samples, and use advanced genetic testing. The goal is to understand why some people remain…

This study looks at how obesity and body fat affect heart disease risk in 2,000 healthy African American men and women. Researchers will measure body fat, blood fats, and insulin function to see if risk factors differ by sex. The goal is to understand why heart disease rates are …

This study aims to find a blood marker that can tell how healthy the blood vessels in the eye are for people with diabetic retinopathy. Researchers will collect blood samples from 192 participants with type 2 diabetes and analyze special cells in the blood. The goal is to discove…

This study is a registry that will follow 1500 adults treated for acute ischemic stroke with Medtronic devices. Researchers will track safety, how well the devices restore blood flow, and whether patients regain independence after 90 days. The goal is to see how these devices wor…

This study looks at how taking a nap helps the brain remember new motor skills, like typing a sequence. Researchers will use brain scans to see what happens during rest and sleep. The study includes adults who have had a stroke and healthy volunteers of different ages. The goal i…

This study follows up to 4,000 people with vasculitis (a group of diseases that cause blood vessel inflammation) and healthy volunteers over many years. Researchers collect blood, urine, imaging, and genetic samples to learn how the disease develops and changes. The goal is to fi…

This study is testing whether a new 3D ultrasound system can help people with blood vessel disease better understand their condition. Researchers will give 270 patients a 3D image of their blocked or narrowed vessels instead of the usual hand-drawn sketch. They want to see if thi…

This study uses a brain imaging technique called fNIRS to watch how the brain changes during robot-assisted hand therapy in stroke survivors. Researchers will compare two types of robotic devices (end-effector and exoskeleton) to see which one better promotes brain reorganization…

This registry is following 5,000 adults with coronary artery disease who received a drug-coated balloon during a procedure to open blocked heart arteries. Researchers are tracking how often the treated artery fails, heart attacks, repeat procedures, and bleeding over the long ter…

This study tracks eye pressure in 100 people receiving a larger-volume injection of Aflibercept (0.07mL) for macular diseases like age-related macular degeneration. Researchers measure pressure right after the injection and at several time points, then check for any nerve damage …

This study is testing a new questionnaire called PETRA that uses pictures to help people with suspected thoracic outlet syndrome describe which daily tasks they avoid because of their symptoms. The questionnaire also asks how often they face those tasks, giving doctors a clearer …

This study is testing whether a quick ultrasound measurement of blood flow in the foot (called systolic rise time) can predict major limb events like amputation or severe ischemia in people with critical limb ischemia. Researchers will follow 134 patients for 6 months after surge…

This study is collecting blood and urine samples from 150 cancer patients who have had blood clots. The goal is to learn more about why clots happen in cancer and how to prevent them. Participants will be followed over time to track clot recurrence and bleeding risks.

This observational study is looking at whether people with primary aldosteronism (a cause of high blood pressure) have hormone levels that vary in cycles or differ between day and night. Researchers will collect urine samples over 24 hours from 100 participants to see if this met…

This study looks at whether giving extra oxygen through a mask (normobaric oxygen therapy) can help people with critical limb ischemia, a severe lack of blood flow to the legs that can lead to amputation. Researchers will compare the health and treatments of 200 patients who do o…

This study is observing 400 adults with moderate or severe tricuspid regurgitation, a condition where a heart valve does not close properly. Researchers will track participants over time to learn how the disease progresses and what factors affect survival. No new treatments are b…

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 investigates whether blood sugar patterns, measured continuously with a wearable sensor, can predict serious heart problems in the year following a heart attack. Researchers will enroll 850 people hospitalized with acute coronary syndrome and track their glucose levels…

This study aims to better understand pre-eclampsia and intrauterine growth restriction (IUGR), serious pregnancy complications affecting about 9% of pregnancies. Researchers will collect placenta, blood, and urine samples from 500 pregnant women—both with and without these condit…