Varicose disease

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

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

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

This study is creating a registry to track how well a procedure called hemorrhoid artery embolization works for people with chronic bleeding internal hemorrhoids. Researchers will follow 1,200 adults for up to 3 years after the procedure, collecting data on bleeding, symptoms, an…

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

This study compares two ways of placing a stent in the liver to prevent repeat bleeding from swollen veins in the throat or stomach in people with cirrhosis. The standard method fully expands the stent, while the new method uses a smaller balloon to keep it slightly narrower. The…

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

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

This study compares two standard treatments for bleeding internal hemorrhoids: hemorrhoidal artery embolization (HAE) and rubber band ligation (RBL). HAE uses a catheter to block blood flow to the hemorrhoid with tiny particles or coils, while RBL uses rubber bands to cut off cir…

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

This study tests whether adding a laser to standard foam treatment works better for varicose veins. About 102 adults with small-to-medium leg veins will get either foam alone or foam plus a laser. The main goal is to see if the vein closes up more often after 30 days, with fewer …

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

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

This study tests whether adding the blood thinner apixaban to the heart drug carvedilol can prevent complications like bleeding, fluid buildup, and confusion in people with cirrhosis and high blood pressure in the liver. About 220 adults with stable cirrhosis will take either api…

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

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

This study tests a newer, ultrasound-guided endoscopic technique to prevent repeat bleeding from enlarged veins in the stomach or esophagus of liver cancer patients. About 84 adults who recently had such bleeding controlled by standard endoscopy will be randomly assigned to recei…

This study compares two minimally invasive procedures for grade II/III hemorrhoids: radiofrequency ablation (using heat) and Doppler-guided artery ligation with mucopexy (tying off blood vessels). The goal is to see if the newer heat-based method is as good as the standard one at…

This study tests two different laser wavelengths (1470 nm and 1940 nm) for a procedure called laser crossectomy to treat varicose veins. The goal is to see which wavelength better prevents vein reflux from returning at the groin junction, while also checking for pain and side eff…

This study is testing a new way to treat moderate-to-severe hemorrhoids by combining a laser procedure with a stitch technique. About 100 adults will receive the treatment and be followed for a year. The goal is to see if it reduces pain, bleeding, and tissue prolapse better than…

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

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

This study looks at a two-part procedure to prevent repeat bleeding in people with cavernous transformation of the portal vein, a rare condition where the main vein to the liver is blocked. The procedure involves blocking the bleeding veins and partially blocking the splenic arte…

This study tests whether vonoprazan, a stomach acid blocker, can prevent ulcers that often form after endoscopic variceal band ligation (EVBL) in people with liver cirrhosis. About 154 adults will take either vonoprazan or a placebo daily for 14 days after the procedure. Research…

This study tests whether a minimally invasive procedure called Superior Rectal Artery Embolization (SRAE) works as well as rubber band ligation for controlling bleeding from hemorrhoids. SRAE blocks blood flow to the hemorrhoids using tiny particles, and is done under local anest…

This study tests a special stent called LIVERTY TIPS, placed in the liver to create a new pathway for blood flow in people with cirrhosis and high blood pressure in the liver. The goal is to see if it can keep the new channel open and reduce problems like bleeding or fluid buildu…

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

This study is testing a new, non-invasive way to detect high-risk varices (enlarged veins) in the esophagus and stomach of people with liver cirrhosis. Instead of using a camera down the throat (endoscopy), doctors will use a special ultrasound technique called SHAPE, along with …

This study is testing whether a new type of MRI (4D flow MRI) can detect dangerous veins in the stomach and esophagus of people with cirrhosis, which can cause fatal bleeding. Currently, doctors use a camera down the throat (endoscopy) to check, but that is invasive and often unn…

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

This study tests a new MRI contrast agent called ferumoxytol, made from iron nanoparticles, to see if it can safely and effectively image veins in people with vein diseases. Current dyes can be risky for patients with kidney problems, but ferumoxytol may be safer and last longer …

This study is testing whether a non-invasive ultrasound of the spleen can accurately detect dangerous vein swelling and high blood pressure in the liver. Researchers will enroll 450 adults with advanced chronic liver disease. If successful, this simple scan could replace the curr…

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

This study tests whether giving blood-thinning medicine after varicose vein surgery can prevent dangerous blood clots in the legs or lungs. About 1 in 50 people develop a clot after these procedures. The trial will enroll 3,175 adults and compare those who receive the medicine to…

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

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

This study tests a new surgical technique called SHAPE against the standard Milligan-Morgan surgery for people with severe (third- and fourth-degree) hemorrhoids. The goal is to see if SHAPE causes less pain after surgery and leads to fewer complications. About 68 adults will tak…

This study tests a specially designed nursing program for people recovering from varicose vein surgery. The program focuses on teaching patients how to manage their own recovery, including daily activities and medical care. Researchers will measure whether this approach improves …

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

This study compares two treatments for varicose veins: foam sclerotherapy (injecting a foam to close the vein) and mechanochemical ablation (using a device and medication). Both are done with local anesthesia and allow quick recovery. 50 patients will be randomly assigned to one …

This study tests whether giving ketamine during hemorrhoid surgery can reduce the amount of strong pain pills patients need afterward. About 100 adults with severe hemorrhoids will be randomly assigned to receive either ketamine or a placebo during their operation. Researchers wi…

This study tests two types of nerve blocks to control pain after hemorrhoid surgery. One group gets a pudendal block, the other a sacral ESP block, both using the same numbing medicine. Researchers will measure pain levels and how quickly patients recover. The goal is to find whi…

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

This study tests whether a procedure called ovarian and pelvic vein embolization can reduce chronic pelvic pain in women with pelvic varicose veins. Forty women with severe pain lasting over six months will be randomly assigned to either the embolization procedure or a diagnostic…

This study tests whether injecting botulinum toxin (Botox) into the anal muscle one week before hemorrhoid removal surgery can lower pain after the operation. About 292 adults with severe hemorrhoids will get either Botox or a placebo injection before surgery. Researchers will tr…

This study compares two laser wavelengths (1470 nm and 1940 nm) for treating varicose veins in the legs. About 280 participants will receive one of the two laser treatments and be followed for five years. The goal is to see if the newer 1940 nm wavelength works as well as the sta…

This study tests whether a long-acting numbing drug called liposomal bupivacaine can control pain for up to 72 hours after hemorrhoid surgery better than standard numbing medicine. About 156 adults having hemorrhoid surgery will receive either the long-acting drug or regular bupi…

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

This study tests a procedure called hemorrhoidal artery embolization (HAE) for people with internal hemorrhoids who have not had success with other treatments or cannot have surgery. The procedure blocks certain arteries to reduce blood flow to the hemorrhoid tissue, aiming to im…

This study looks at whether wrist-ankle acupuncture can reduce pain after perianal surgery. About 58 adults with moderate to severe pain will receive this acupuncture along with standard care. Researchers will measure pain relief and how often extra pain medicine is needed.

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

This observational study looks at whether a cream containing nifedipine 0.3% and lidocaine 1.5% can reduce symptoms like pain, bleeding, and prolapse in people with acute uncomplicated hemorrhoids. About 80 adults aged 18 to 75 who have already started this cream as part of their…

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

This study tests whether a new ultrasound-guided nerve block (sacral erector spinae plane block) can control pain after hemorrhoid removal as well as the standard saddle block. Fifty adults undergoing hemorrhoidectomy will be randomly assigned to one of the two methods. Researche…

This study tests a device that delivers oxygen to chronic leg ulcers caused by vein problems. About 212 adults will get either the real oxygen therapy or a sham treatment, along with standard compression bandages, for up to 16 weeks. The main goal is to see if the oxygen therapy …

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

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

This study compares two ointments—lignocaine and glyceryl trinitrate (GTN)—for pain relief after hemorrhoid removal. Sixty-four adults will apply one of the ointments three times daily after surgery. Researchers will measure pain scores, wound healing time, and patient satisfacti…

This pilot study tests a procedure called trans-radial superior rectal artery embolisation for treating hemorrhoids. Instead of surgery, doctors access an artery in the wrist to block blood flow to the hemorrhoid, which may reduce bleeding and pain. The study will enroll 20 adult…

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

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

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

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

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

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

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

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

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

This study looks at whether giving proton pump inhibitors (like omeprazole) to people with cirrhosis who have bleeding in the esophagus causes more complications in the hospital. Researchers will randomly assign 60 adults to receive either the drug or no drug after an endoscopic …

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

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

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

This study is observing 400 people aged 12 and older who have noncirrhotic portal hypertension (NCPH) or are at risk for it. NCPH is a liver condition that increases blood pressure in the liver's blood vessels without causing cirrhosis, and often has no early symptoms. Researcher…

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

This study looks at people with high blood pressure in the liver that causes swollen veins in the esophagus and stomach. Researchers will compare those who get an endoscopic procedure (using a camera down the throat) with those who receive other treatments like medicine or surger…

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

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

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

This study looks at whether people with hemorrhoids are more likely to have varicose veins in their legs. Researchers will use ultrasound to check the leg veins of 400 adults—200 with hemorrhoids and 200 without. No treatments or procedures are given; the goal is simply to see if…

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

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

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

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

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

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

This study tests whether a new EUS-guided pressure measurement (EUS-PPGM) can predict how well varices respond to endoscopic banding in people with cirrhosis. Researchers will measure portal pressure in 160 patients and follow them for one year to see if higher pressure at 3 mont…

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

This study looks at factors that help blood clots in the main liver vein dissolve in people with liver scarring (cirrhosis) and enlarged stomach veins. Researchers will follow 1,500 patients over time to see what influences clot recovery. The goal is to help doctors and patients …

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

This study aims to validate the Caprini score, a tool that estimates blood clot risk, in 3,000 people undergoing varicose vein surgery. Participants will be followed for four weeks after procedures like laser treatment or vein stripping to see if the score accurately predicts who…

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

This study is creating a large collection of medical data and biological samples from 1000 people with portal hypertension, a condition that can cause dangerous bleeding in the esophagus or stomach. The goal is to use advanced technologies like genetics and imaging to better unde…

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

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

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

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

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

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

This observational study looks at the best time to take infrared images of varicose veins after a person stands up from lying down. Researchers will take pictures every 5 seconds for 3 minutes in 20 patients with varicose veins. The goal is to improve imaging techniques for bette…

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

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

This study looks at how two common endoscopic treatments—band ligation and sclerotherapy—change blood pressure in the liver's portal vein over 3 to 6 months. Researchers will use a special ultrasound-guided technique to measure these pressure changes in 70 adults with cirrhosis a…

This study looks at a rare liver condition called Porto-Sinusoidal Vascular Disease (PSVD), which causes high blood pressure in the liver's veins. Researchers want to see if a procedure called TIPS works as well for PSVD patients as it does for those with cirrhosis. They will com…

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

This study follows 10,000 people with advanced chronic liver disease at Vienna General Hospital. Researchers will track their health over time, collect blood, urine, and tissue samples, and record complications like bleeding or liver failure. The goal is to better understand how …

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

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