Cardiovascular disorder

This study tests a new treatment called AZD0120 for people with AL amyloidosis, a rare disease where abnormal proteins build up in organs. The therapy uses a patient's own immune cells, modified to target and destroy harmful cells. The study aims to see if it is safe and effectiv…

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 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 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 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 study compares a newer pacing method (Left Bundle Branch Area Pacing) with the standard cardiac resynchronization therapy for people with heart failure. About 850 adults with moderate to severe heart failure will take part. The goal is to see if the newer method reduces deat…

This study tests a program to help young adults with congenital heart disease transition from pediatric to adult care. The program includes a nurse check-in, a diagnosis summary, an education day, and a handover video call. Researchers will track whether this reduces hospital vis…

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 early study tests whether a second infusion of a patient's own modified immune cells (CAR-DC) is safe and can improve heart function in 5 adults with end-stage dilated cardiomyopathy. Participants had already received one dose but saw their heart function worsen again. The g…

This Phase 3 trial compares a low-dose combination of prednisone and methotrexate to standard high-dose prednisone for people with active cardiac sarcoidosis. Researchers hope the combo works just as well but causes fewer side effects and improves quality of life. The study plans…

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 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 early-stage trial tests a single intravenous dose of AFTX-201, a gene therapy designed to deliver a working copy of the BAG3 gene to heart cells. It enrolls 22 adults aged 18–55 with dilated cardiomyopathy and a BAG3 mutation. The study primarily checks safety and tolerabili…

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 tests whether a personalized blood transfusion approach, based on oxygen levels, is better than the standard method for people on a heart-lung machine (ECMO) due to severe heart failure. About 236 adults will be randomly assigned to one of two strategies to see which r…

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 study looks at people who have had a severe type of heart attack called STEMI. It compares a shorter course (about one month) of two blood thinners followed by just one drug (prasugrel) for a year, versus the standard one-year regimen of two blood thinners. The goal is to se…

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 phase 3 trial tests whether maridebart cafraglutide (MariTide) can reduce heart failure events like hospitalizations and urgent visits in people with obesity and a specific type of heart failure (preserved or mildly reduced ejection fraction). About 5,056 participants will r…

This study follows 30 people with Alagille syndrome who are taking odevixibat (Bylvay) in their daily lives. The goal is to see if the drug helps them avoid serious surgeries like liver transplant or bile duct repair over the long term. Researchers will also track weight, height,…

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 study looks at whether changing from standard heart failure medications to a newer drug (sacubitril-valsartan) can improve the health and daily life of people with heart failure in rural Tanzania. About 298 adults with heart failure will be switched to the new drug and follo…

This study looks at whether a hybrid care pathway that includes home telemonitoring helps people with heart failure spend more days at home and out of the hospital. Participants measure their weight, blood pressure, heart rate, and symptoms daily, sending the data to a medical ce…

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 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 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 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 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 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 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 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 tests whether a two-month hormone pretreatment (GnRH agonist plus letrozole) before standard frozen embryo transfer can improve live birth rates in women with adenomyosis. About 222 participants will be randomly assigned to either the new regimen or standard care. The …

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 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 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 study compares two methods for creating an arteriovenous fistula (AVF) in people with end-stage kidney disease who need dialysis. The newer endovascular method uses a needle through the skin, while the traditional surgical method requires an incision. Researchers will enroll…

This study tests whether a pacemaker plus a heart ablation procedure is better than standard medications for controlling heart rate in 600 people with both atrial fibrillation and heart failure. Participants will either get a pacemaker implant and ablation, or continue with optim…

This study tests a new mapping catheter and software to help doctors treat atrial fibrillation, a common heart rhythm problem. About 200 Chinese patients will receive a standard ablation procedure, but doctors will use the new tools to guide them. The goal is to see if the new de…

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 tests a medicine called Xolatryp in adults who have had a severe heart attack (STEMI) and are getting a procedure to open blocked arteries. Participants receive either a single 6-hour infusion of Xolatryp or a placebo, and their heart health is monitored for 30 days. T…

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 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 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 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 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 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 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 Phase 3 trial tests whether DYNE-101 can improve muscle function and daily life in 150 adults with myotonic dystrophy type 1 (DM1). Participants receive either the drug or a placebo by IV every few weeks for 48 weeks. The study measures how quickly people can stand from a ch…

This trial compares two treatments for white spot lesions—early cavities that appear as milky-white marks on front teeth after braces. One treatment uses a special paste (MI Paste Plus) combined with etching, while the other uses a resin infiltration technique (Icon). The study i…

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 tracks 500 Chinese patients with paroxysmal atrial fibrillation who are treated with the FARAPULSE pulsed field ablation system as part of their normal care. Researchers will monitor safety and effectiveness for up to three years. The goal is to see how well the device…

This study tests a new medicine called NNC0487-0111 in about 5,600 people who have both heart failure and obesity. Participants receive either the drug or a placebo as a weekly injection. The goal is to see if the drug reduces the risk of heart failure worsening, hospitalization,…

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 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 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 early-stage trial tests a one-time gene therapy called RP-A701 in 8 adults with dilated cardiomyopathy caused by a faulty BAG3 gene. The therapy uses a harmless virus to deliver a working copy of the gene, aiming to improve heart function. The main goal is to check safety, b…

This global trial compares two ablation strategies for people with persistent atrial fibrillation (AF) that hasn't responded to medication. One group gets standard ablation of the pulmonary veins and back wall of the left atrium. The other group gets ablation guided by a special …

This study tests new waveforms delivered by the FARAPULSE PFA system to treat atrial fibrillation, a common heart rhythm problem. About 200 adults with paroxysmal or persistent atrial fibrillation will receive the procedure. The goal is to see if these new waveforms are safe and …

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 trial compares standard versus extra pulsed field ablation applications during pulmonary vein isolation in people with atrial fibrillation. The goal is to see if more targeted ablations improve freedom from irregular heart rhythms for up to 18 months. Participants are adults…

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 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 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 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 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 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 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 is testing the FARAPULSE Pulsed Field Ablation system in 376 people with persistent atrial fibrillation (AFib) who have already had a prior ablation. The device uses electrical pulses to destroy the heart tissue causing the abnormal rhythm. The goal is to see if it is …

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 to replace the mitral valve in people with severe mitral regurgitation (a leaky heart valve) who cannot have standard surgery or a less invasive repair. About 1,056 participants will receive the device and be followed for safety and quality of life. …

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 device that automatically measures foot swelling in people with chronic heart failure. The device sends alerts to healthcare teams if swelling increases, which could signal worsening heart failure. About 1,500 participants will use the device at home for at lea…

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 injecting a person's own bone marrow stem cells into or near the eye can help treat various retinal and optic nerve diseases, including age-related macular degeneration, retinitis pigmentosa, and glaucoma. Participants receive stem cell injections via dif…

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 tests whether switching from tafamidis to acoramidis can raise blood levels of transthyretin (TTR) in adults with transthyretin amyloid cardiomyopathy (ATTR-CM). The drug acoramidis stabilizes TTR to prevent harmful amyloid clumps that stiffen the heart. Researchers wi…

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

This study tests a new device called FARAFLEX that uses electrical pulses to treat atrial fibrillation (AF), a condition where the heart beats irregularly. About 571 adults with AF that hasn't improved with medication will get this procedure. The goal is to see if it safely resto…

This study tests whether early referral to a cardio-oncology specialist can lower heart risks in prostate cancer patients receiving long-term hormone therapy (ARPI). About 80 men with high-risk or advanced prostate cancer and additional heart risk factors will be assigned to eith…

This study tests whether a small wireless sensor placed in the pulmonary artery can help doctors better manage medications for people with heart failure and a leaky mitral valve. The sensor constantly measures pressure inside the heart, giving doctors real-time data to adjust tre…

This study tests an oral drug called KT-621 in 264 adults with moderate to severe eosinophilic asthma that is not well controlled by current treatments. Participants will take either KT-621 or a placebo daily for several weeks. Researchers will measure changes in lung function an…

This study tests the long-term safety of finerenone, a medicine that may help the heart pump better by reducing inflammation and scarring. It is for children from birth to 18 years old with heart failure and a weak left ventricle. All participants will take finerenone along with …

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 whether a pacemaker programmed to each person's needs can improve symptoms and outcomes for people with a common type of heart failure (HFpEF). About 700 adults with heart failure but normal pumping strength will receive either personalized pacing or minimal/no p…

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 device called Barostim that is implanted in the body to stimulate blood pressure sensors, which may help the heart work better. It involves 58 adults with heart failure who are already on the best available medications. The goal is to see if the device improves…

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 trial tests a small sensor placed in the pulmonary artery (the blood vessel from the heart to the lungs) that wirelessly sends daily pressure readings to doctors. The goal is to help people with moderate heart failure (NYHA Class II or III) manage their condition at home and…

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 trial investigates whether sulforaphane, a nutrient found in broccoli, can reduce heart damage caused by the chemotherapy drug doxorubicin in breast cancer patients. About 70 participants will receive either sulforaphane or a placebo alongside their chemotherapy. The study m…

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 early-stage trial is testing a new drug called DNL952 in 32 adults with late-onset Pompe disease. The main goal is to check if the drug is safe and how the body processes it. Participants will receive the drug through an IV infusion at different doses.

This study is testing a new device called the FARAFLEX system, which uses targeted electrical pulses to treat atrial fibrillation, a common heart rhythm problem. About 250 adults with persistent or paroxysmal atrial fibrillation will take part. The goal is to see if the device is…

This trial tests whether a structured physical rehabilitation and exercise program can help older adults (age 60+) who have been hospitalized for heart failure with preserved ejection fraction (HFpEF). Participants will receive a progressive, multi-domain rehab intervention after…

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 study tests a program designed to help men with prostate cancer manage their heart health while undergoing hormone therapy (ADT). The program involves two counseling sessions with a nurse or physician assistant to educate about cardiovascular risks and how to reduce them. Re…

This study is tracking 10,000 people with atrial fibrillation who are having a heart ablation procedure. The goal is to see how well the procedure works and how safe it is in everyday medical practice. Researchers will measure how much AF burden patients have 6 months after the p…

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 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 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 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 2 trial tests whether dapagliflozin, a diabetes drug, is safe and can lower high urine protein levels in people with renal AL amyloidosis—a rare condition where abnormal proteins damage the kidneys. About 20 participants will take the drug daily for 6 months and be mon…

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 early-stage trial tests whether infusions of stem cells from donated newborn tissue are safe for young people aged 4 to 39 with dilated cardiomyopathy, a condition where the heart becomes enlarged and weak. Up to 36 participants will receive three intravenous doses over 30 d…

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 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 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 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 study tests a small implanted device that sends gentle electrical signals to strengthen heart contractions in people with heart failure whose hearts still pump fairly well (ejection fraction 40-70%). Researchers will compare the device to a sham (inactive) implant in 1,500 p…

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 Phase 3 trial is testing whether a combination of two drugs, balcinrenone and dapagliflozin, works better than dapagliflozin alone to prevent heart failure events and cardiovascular death. About 4,800 adults with heart failure and moderate-to-severe kidney impairment who rec…

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 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 tests whether personalized support from a sport and health professional after cardiac rehabilitation helps heart failure patients maintain their physical activity levels. 90 participants will be followed for 12 months, with activity measured by a step counter. The goal…

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 a drug called mavacamten in adults with a type of heart disease called obstructive hypertrophic cardiomyopathy (HOCM) in Japan. The goal is to see if mavacamten can improve heart function and symptoms when added to their current treatment. About 36 participa…

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 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 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 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 two ways to treat a slow heart rate caused by overactive nerves, without using a permanent pacemaker. One method uses freezing (cryoablation) and the other uses burning (radiofrequency) to calm the nerves. Sixty adults aged 18 to 60 with symptoms like fainting or…

This study compares a new drug, Zastaprazan, against standard proton pump inhibitors (PPIs) for preventing stomach bleeding in 5,000 adults who had a heart attack and are on blood thinners. The goal is to see if routine use of Zastaprazan reduces serious complications like death,…

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 is tracking 1000 people with atrial fibrillation who receive the WATCHMAN FLX Pro device, a small implant that closes off a part of the heart to prevent blood clots from causing strokes. The goal is to see how safe and effective the device is in everyday medical practi…

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 Phase 3 study tests whether adding vicadrostat to the standard drug empagliflozin helps adults with chronic heart failure and a weak heart pump (ejection fraction below 40%). About 4200 participants will take either vicadrostat or a placebo, plus empagliflozin, once daily fo…

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 trial investigates whether people with heart failure and a traditional right ventricular pacemaker feel better and have stronger hearts after switching to a more natural pacing method, such as His bundle or biventricular pacing. Participants will have their pacemaker upgrade…

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 compares a standard leg exercise program alone versus the same program combined with neuromuscular electrical stimulation (NMES) in heart failure patients who have a temporary heart pump (intra-aortic balloon pump) in their leg. The goal is to see if adding NMES helps …

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 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 whether a home monitoring program can reduce complications and deaths in infants who had heart surgery. Parents will measure their child's heart rate, oxygen levels, and weight at home and send the data daily via a secure app. The program includes alerts for worr…

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 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 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 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 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 tests a small sensor implanted in a large vein near the heart to help doctors monitor fluid buildup in people with heart failure. The sensor sends daily readings so treatment can be adjusted early. The trial will compare standard care plus sensor guidance to standard c…

This study tests an investigational drug called omecamtiv mecarbil in 1,800 adults with severe heart failure and a very weak heart pump. The goal is to see if it can lower the risk of heart failure worsening, hospitalization, need for a heart pump or transplant, or death. Partici…

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 tests an experimental drug called NNC6019-0001 in people with transthyretin amyloid cardiomyopathy (ATTR-CM), a condition where abnormal proteins build up in the heart. About 1,280 adults will receive either the drug or a placebo by IV, alongside their usual heart trea…

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 tests whether a 12-week low-calorie meal replacement diet can improve heart function and exercise ability in people with heart failure with preserved ejection fraction (HFpEF) who are also obese. 63 adults will be randomly assigned to either the diet or standard care. …

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 phase 3 trial tests an experimental drug called sepofarsen in 32 people with Leber congenital amaurosis (LCA), a rare genetic condition that causes severe vision loss from birth. The drug is injected into one eye, while the other eye gets a placebo, to see if it safely impro…

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 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 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 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 study follows 230 children with Alagille syndrome or progressive familial intrahepatic cholestasis (PFIC) who are taking Livmarli, a drug to reduce bile buildup and itching. Researchers will monitor side effects, liver function, and long-term outcomes like need for transplan…

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 a new two-step procedure for people with long-standing persistent atrial fibrillation (AFib), a type of irregular heartbeat. The procedure combines a minimally invasive surgery on the outside of the heart with a standard catheter ablation inside the heart. Resear…

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 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 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 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 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 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 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 an oral antiviral called ziresovir (AK0529) in adults at high risk for severe RSV infection, such as those with chronic lung or heart disease, weakened immune systems, or age 65 and older. Participants receive either the drug or a placebo, and researchers measure…

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 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…

This trial tests whether a special alert system called ICU Beacon can help doctors in intensive care units detect early signs of organ failure. The study includes about 1,962 adult ICU patients and compares units using the software plus standard care to those using standard care …

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 trial tests a new way to treat typical atrial flutter, a heart rhythm problem. Instead of the standard linear ablation, doctors use a special catheter with tiny sensors to map and target only the high-voltage areas causing the flutter. The goal is to see if this approach is …

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 looks at people with heart devices that detect short bursts of irregular heartbeats (atrial high-rate episodes lasting 6 minutes to 24 hours) but no diagnosed atrial fibrillation. It tests whether starting rhythm-control drugs early, along with managing heart risk fact…

This study is testing a small, leadless pacemaker placed in the heart's upper chamber (atrium) for people with sinus node dysfunction, a condition where the heart's natural pacemaker doesn't work properly. Participants receive the Aveir AR pacemaker and a loop recorder to track h…

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 looks at whether people with atrial fibrillation (AF) can safely stop taking blood thinners after a successful catheter ablation procedure. About 3,160 adults who have been free of AF for 6 to 12 months after ablation will be randomly assigned to either continue or sto…

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 adding advanced molecular tests (like PCR and DNA sequencing) to standard blood cultures helps doctors identify the cause of infective endocarditis—a serious heart valve infection—more quickly. The goal is to see if this leads to more patients receiving t…

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 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 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 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 study enrolls about 4,000 adults aged 60 and older with heart failure who are at high risk for ATTR amyloidosis, a rare disease that stiffens the heart. Doctors receive special training on how to spot and diagnose the condition using standard tests. The goal is to see if thi…

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 is testing a cloud-based AI platform called Willem that analyzes electrocardiogram (ECG) data to detect Transthyretin cardiac amyloidosis (ATTR-CA), a rare and serious heart condition. Researchers will compare ECGs from 2000 adults—some with confirmed ATTR-CA and some …

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 tests whether a device called FibroScan, which measures liver stiffness, can quickly diagnose acute heart failure in people who come to the emergency room with shortness of breath. Researchers will enroll 100 adults and compare the FibroScan results with standard tests…

This study tests whether a machine learning algorithm can better detect critical congenital heart disease (CCHD) in newborns by combining standard oxygen saturation measurements with perfusion index data. Researchers will enroll up to 320 infants, including those with suspected o…

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 study tests whether using a special clamp (EnCompass) to create a scar line in the heart and a clip (AtriClip) to close off a small pouch can prevent new atrial fibrillation after heart surgery. The trial will enroll 960 people aged 65 or older who are having planned heart s…

This phase 3 trial tests whether acoramidis can prevent or delay transthyretin amyloidosis (ATTR) in 587 adults who carry a faulty gene but have no symptoms yet. ATTR causes sticky plaques to build up in the heart and nerves, leading to heart failure and nerve damage. Acoramidis …

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 phase 3 study tests whether the drug olpasiran can prevent first major heart events (like heart attacks) in 11,000 people aged 50+ who have high levels of lipoprotein(a), a genetic risk factor. Participants receive either olpasiran or a placebo as a shot under the skin. The …

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 compares electrical cardioversion—a procedure that delivers a shock to restore normal heart rhythm—to a sham version where no shock is given. Researchers want to see if the real procedure truly improves quality of life in people with persistent atrial fibrillation, a c…

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 study looks at ways to improve the mental health and quality of life for people with a Left Ventricular Assist Device (LVAD) and their family caregivers. After leaving the hospital, both patients and caregivers often struggle with stress and lower well-being. Participants wi…

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 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 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 a 16-week behavioral therapy called Pivotal Response Treatment (PRT) works better when done at a center or at home for young children with autism who have language delays. Researchers will compare both groups to children receiving usual care. The goal is …

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 is testing whether eating a soft chew containing plant stanols every day can reduce asthma symptoms in people with allergic asthma. Plant stanols are known to lower cholesterol, but they may also shift the immune system away from the type of response that triggers asth…

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 looks at whether giving intravenous iron (Ferinject) to heart failure patients with low iron can improve their quality of life and walking ability. About 100 hospitalized adults with a specific type of heart failure (HFpEF) will receive either iron infusions plus diet …

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 12-week resistance training program can improve physical function, quality of life, and heart-related biomarkers in people with heart failure who are on the waiting list for a heart transplant. Participants will be randomly assigned to either the exerci…

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 whether joining a virtual support group can help reduce anxiety in people who have had Takotsubo syndrome, also known as 'broken heart syndrome.' Participants meet online every other week for group therapy and education. The goal is to see if this support lowers …

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 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 study aims to understand how and why eosinophils (a type of white blood cell) become active in conditions like allergies, asthma, and parasitic infections. Researchers will observe up to 800 people aged 1 to 100 with high eosinophil levels. No experimental treatments are giv…

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 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 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 tests a virtual reality program called SurviVRSE that teaches breast cancer survivors about heart health. Thirty women currently receiving certain cancer treatments will use the VR headset during one infusion session. Researchers will measure how much they learn, how e…

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 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 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 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 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 is testing whether a special type of imaging called FAPI can better predict how much heart function will improve after bypass surgery or stenting in people with ischemic heart failure. Researchers will follow 122 patients for 12 months, measuring changes in heart pumpi…

This study aims to learn how type 2 diabetes and obesity in young people affect heart and blood vessel health over time. About 930 participants aged 12 to 25, including those with diabetes, overweight but not diabetic, and healthy lean individuals, will be followed for up to 25 y…

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 watches people with blood cancers like CLL who take BTK inhibitors or venetoclax to see how these drugs affect heart rhythm. Researchers will use EKGs, stress tests, and heart monitors to track abnormal rhythms and sudden death risk. The goal is to better understand an…

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 tests whether ultrasound scans can detect leftover fluid in the lungs and veins of people hospitalized for heart failure. About 580 adults will get scans at several points during their stay, but doctors won't see the results. Researchers will then track who is readmitt…

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 collect blood and tissue samples from up to 10,000 people with rare genetic vascular or cardiovascular diseases, as well as their healthy relatives. Researchers will use these samples to identify genetic causes and understand how these diseases work. The goal i…

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 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 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 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 registry tracks 2,000 adults with congenital heart disease who are on the waiting list for a heart or heart-lung transplant. The goal is to understand why some patients get worse or die while waiting, while others improve enough to be removed from the list. By collecting dat…

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 follows 450 babies born with serious heart defects to find early signs of developmental delays by 6 months of age. Researchers want to understand why over half of these children face learning, thinking, or behavior challenges later in life. The goal is to identify risk…

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 follows up with people who survived a dangerous heart condition called electrical storm and were treated in the ICU. Researchers want to understand how the experience and treatments affect mental health and quality of life. Participants fill out questionnaires about PT…

This study will test how the heart drug empagliflozin is absorbed and processed in 10 children with Duchenne muscular dystrophy, ages 8 to 18. The goal is to find the best dose for protecting the heart in this rare disease. Participants will take the drug by mouth and have blood …

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 involves 100 adults with heart rhythm problems who are already scheduled for a standard heart mapping procedure. Researchers will test new software features on the mapping system to see how well they work. The goal is to gather feedback to improve future versions of th…

This early-stage study tests a new drug called CDR132L in 32 healthy adults. Researchers want to see how much of the drug gets into the blood when given as a shot under the skin compared to an IV drip. The goal is to find the best way to give this medicine to people with heart fa…

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 observes up to 350 patients who had a heart attack complicated by cardiogenic shock and received an Impella CP heart pump during artery-opening procedures. Researchers will track safety issues like major bleeding, limb problems, and kidney injury, as well as survival a…

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 looks at how your genes and your environment—like what you eat, breathe, and experience—work together to influence common diseases such as diabetes, heart disease, and asthma. Researchers are collecting health questionnaires, genetic data, and other information from 25…

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

This study tests whether a live video connection between paramedics and pediatric emergency doctors improves care for critically ill children. Paramedics will treat infant mannequins in simulated ambulance scenarios, with some getting video support and others only audio. The goal…

This study uses wearable EKG patches to track heart rhythms in 150 adults having elective open-heart surgery. The goal is to find out how often atrial fibrillation occurs after surgery and what factors increase the risk. Researchers hope this will lead to better prediction and pr…

This study looks at whether a person's genetic makeup can predict how well they respond to the heart failure drug metoprolol. Researchers will give the drug to 100 people with heart failure and track their heart function and drug levels. The goal is to see if a genetic score can …

This study aims to understand how heart problems develop in people with Duchenne and Becker muscular dystrophy, as well as in carriers. Researchers will collect cardiac MRI scans and clinical data from 1,000 participants to build a registry. Using advanced image analysis and deep…

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 registry is a large-scale effort to monitor the safety and performance of Boston Scientific cardiac devices, including pacemakers and ablation tools, in 12,500 patients. It collects data from routine procedures and follow-ups to see how well the devices work and if any compl…

This study will observe 1000 people who receive BIOTRONIK pacemakers for conditions like slow heartbeat or heart failure. The goal is to see how well the devices work in everyday medical practice, focusing on safety and performance over time. Researchers will track device-related…

This early-stage study will check if two different tablet forms of the drug HRS-1893 are processed the same way in the body. Thirty-six healthy adults will take both versions and have blood tests to measure drug levels. The goal is to see if the two formulations are equivalent, n…

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 tests whether an artificial intelligence algorithm can predict survival and complications in people who have had a cardiorespiratory arrest and been revived. Researchers will analyze hospital records from 300 to 500 patients treated in intensive care units in France be…

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 whether advanced MRI scans that map the brain's structural and functional connections can better predict neurological recovery in coma patients after cardiac arrest than standard methods. Researchers will scan 263 adults who remain unconscious at least 72 hours a…

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 early-stage study tests the safety and how the body processes a new drug called HRS-7156 in 66 healthy adults aged 18 to 55. The goal is to check for side effects and measure drug levels in the blood, not to treat heart failure. Participants must be healthy and not take any …

This study follows 260 adults undergoing heart surgery to see how developing atrial fibrillation afterward impacts their quality of life. Participants fill out surveys about their physical and mental health, as well as any treatments they receive. The goal is to better understand…

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 non-invasive device that uses sensors placed on the chest to monitor heart failure patients during their hospital stay and for 90 days after discharge. The goal is to see if the device's measurements can help predict which patients are at higher risk of be…

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 is looking for early signs of heart amyloidosis in Black adults who carry a specific gene change (V122I TTR) that raises their risk. Researchers will use heart MRI scans and blood tests to detect protein buildup before symptoms appear. The goal is to find ways to diagn…

This study is testing a skin patch called MyHeartSentinel that records heart electrical and mechanical signals in people with heart failure. Researchers want to see if the patch can detect early signs of a worsening episode (decompensation) while patients are in the hospital and …

This study tests a new PET scan technique to better track heart damage in people with a condition called ATTR-CM, a progressive heart muscle disease. Researchers will scan 140 participants to see if the imaging can show how well treatments are working. The goal is to improve moni…

This registry will follow 500 people with inappropriate sinus tachycardia (IST) or postural orthostatic tachycardia syndrome (POTS) who have had or will have a heart ablation procedure using AtriCure devices. The goal is to collect real-world data on how safe and effective the pr…

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 study observes 50 adult organ donors to measure oxygen levels in the blood when the heart stops during a Maastricht III donation procedure. Researchers take blood samples at key moments to understand how low oxygen gets. The goal is to gather knowledge, not to test a treatme…

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 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 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 watches for heart changes in 150 adults receiving chest radiation for lung, esophageal, breast, or thymus cancer. Researchers will check heart markers, electrical activity, and immune cells at the end of treatment and up to 3 months later. The goal is to find early sig…

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 looks at 110 patients aged 80 and older who are in the hospital for acute heart failure. Researchers will use ultrasound and blood tests to measure muscle loss (sarcopenia) and see how it affects their recovery over six months. The goal is to find better ways to predic…

This study tests whether pacing the heart to mimic the speed of a workout can improve heart function in people with heart failure. Fifty-two adults with a weak heart and an implanted defibrillator will receive either active pacing or a sham (fake) pacing for 6 weeks. Researchers …

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

This study is 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 will follow about 1,850 people with ATTR amyloidosis, a rare disease that affects the heart and nerves. Researchers will collect information on patients' health, treatments, and outcomes over time to better understand the disease and how current therapies work in every…

This study aims to find the best way to deliver preventive health screenings to people in underserved and rural areas. It will compare different methods, such as interactive health reports, mobile screening units, and even droid-assisted screenings, to see which improves health e…

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 tests whether a new drug called Fx-5A is safe in healthy adults. Researchers will give a single infusion of the drug and monitor participants for side effects. The goal is to see if Fx-5A can be used in future studies for heart disease and inflammation.

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 is tracking 1,500 people with cardiac sarcoidosis—a condition where inflammation affects the heart—to learn how doctors currently diagnose and treat it. Researchers will also test whether corticosteroid therapy improves outcomes. The goal is to create better guidelines…

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 looking at whether women with lower ovarian reserve (fewer eggs) have had more early miscarriages in the past. Researchers will measure ovarian reserve with a blood test (AMH) and an ultrasound (antral follicle count) in over 2,000 women seeking fertility care. This…

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 aims to understand why some people with epilepsy die suddenly (SUDEP). Researchers will measure how well patients sense carbon dioxide in their blood and how seizures affect breathing and heart function. 335 adults with epilepsy will be followed for up to 10 years. The…

This study aims to find how common the KIT D816V mutation is in people with suspected clonal mast cell disease. Researchers will collect blood samples from 450 participants and test them using two sensitive methods. The results may improve understanding and diagnosis of these rar…

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 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 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 looks at whether people with heart failure can reduce their intake of ultra-processed foods (like packaged snacks, sugary drinks, and fast food) and whether doing so improves their health. Participants will track their meals using a smartphone app and receive coaching …

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 collects data from wearable devices like Fitbit and Apple Watch to learn about daily habits and health in people with or at risk of heart failure. Researchers will combine this data with medical records to find patterns that might predict health problems. The goal is 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…