Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 10,049 recruiting studies in this area right now.
By phase
- Not applicable8,023
- Phase 2486
- Phase 4480
- Phase 3451
- Phase 1361
- Phase 1/Phase 2161
- Phase 2/Phase 387
Top conditions
- Stroke854
- Heart Failure568
- Hypertension401
- Cardiovascular Diseases390
- Coronary Artery Disease372
- Multiple Myeloma330
- Atrial Fibrillation272
- Ischemic Stroke199
- Atrial Fibrillation (AF)145
- Acute Ischemic Stroke141
- Pulmonary Hypertension103
- Myocardial Infarction99
- Congenital Heart Disease86
- Peripheral Arterial Disease85
- Stroke, Ischemic84
- Acute Coronary Syndrome82
- Obesity80
- Aortic Valve Stenosis79
Leading sponsors
- Mayo Clinic95
- Assistance Publique - Hôpitaux de Paris92
- National Taiwan University Hospital74
- China National Center for Cardiovascular Diseases59
- Beijing Tiantan Hospital53
- Massachusetts General Hospital51
- Riphah International University51
- Second Affiliated Hospital, School of Medicine, Zhejiang University51
- Insel Gruppe AG, University Hospital Bern50
- Johns Hopkins University47
Where studies are running
- California468
- Alabama199
- Massachusetts182
- Arizona176
- New York165
- Florida145
- Maryland120
- Minnesota120
- Illinois119
- Texas119
Recruiting studies10,046 total
- NCT07122947Recruiting
Apple Watch to detect AFib after heart surgery
This study tests if an Apple Watch can help detect when atrial fibrillation (an irregular heartbeat) comes back after heart surgery. You'll wear an Apple Watch and a small skin patch (Zio Patch) to track your heart rhythm.
St Louis, MissouriAges 22 years+ - NCT07123181Recruiting
Oregano and basil for unstable angina
This trial tests if eating oregano and basil leaves can help people with unstable angina, a type of chest pain from heart disease. It looks for improvements in heart health without using strong medications.
Tehran, Tehran ProvinceAges 30–75 - NCT07123519RecruitingPhase 1
YTS109 cell therapy for hard-to-treat autoimmune diseases
This trial tests a new cell therapy called YTS109 for people with certain severe autoimmune diseases that have not responded to standard treatments, such as lupus, Sjögren's syndrome, systemic sclerosis, inflammatory myopathy, vasculitis, and antiphospholipid syndrome. The goal is to see if it can safely reduce disease activity.
TianjinAges 18–65 - NCT07124949Recruiting
Chinese migrant health study for older adults
This long-term study follows adults aged 60 and older who live in Harbin or Hainan to track their health over five years. It aims to understand health changes in this migrant population and does not involve any new treatments or drugs.
Harbin, HeilongjiangAges 60–120 - NCT07125170Recruiting
Virtual reality for thinking skills after stroke
This trial tests whether immersive virtual reality can help improve thinking and memory problems after a recent stroke. It is designed for people who have mild to moderate cognitive issues and are already scheduled for occupational therapy.
Independencia, Santiago MetropolitanAges 18 years+ - NCT07125313Recruiting
Yoga for heart and mind health in hypertension
This trial tests whether yoga can improve heart and mental health in people with high blood pressure. It is for adults who have their blood pressure under control with up to three medications and have not exercised in the last six months.
Florianópolis, Santa CatarinaAges 18 years+ - NCT07125469Recruiting
Comparing CT scan measurements to surgery findings for aortic valve replacement
This study checks if measurements taken from a CT scan before surgery match the actual size of the valve measured during surgery. It may help doctors choose the best valve size for people with severe aortic stenosis who need valve replacement.
Cotignola, RavennaAges 18 years+ - NCT07126587Recruiting
Healthy Living in Anson County Study
This study offers healthy meals and group classes to help people in Anson County manage or prevent chronic diseases like diabetes and high blood pressure. You'll learn about and try a Mediterranean diet, which is known to be good for heart health.
Chapel Hill, North CarolinaAges 18–99 - NCT07126821Recruiting
Brain disease diagnosis study using vision and language
This trial tests a new computer model that combines brain MRI scans and clinical data to help diagnose brain diseases. It may help doctors make more accurate diagnoses.
Changsha, HunanAges Any age - NCT07127159Recruiting
Music listening for stroke recovery
This study tests whether listening to music at home can help with mood and thinking after a stroke. You'll be asked to listen to music or audio stories for 30 minutes a day, and we'll use MRI scans to see how your brain responds.
New York, New YorkAges 50–90 - NCT07127172Recruiting
Brain implant study for controlling devices with your mind
This study tests a brain implant that lets you control external devices like a computer or tablet just by thinking. It is for people with paralysis or severe weakness in both arms due to conditions like spinal cord injury, ALS, or stroke.
London, Greater LondonAges 18 years+ - NCT07127536Recruiting
A therapy to improve daily tasks after stroke
This study tests a therapy called CO-OP to help people who have had a stroke improve their ability to do everyday tasks and thinking skills. If you have had a first stroke in the last 3 months to 2 years and are in rehab, this might be for you.
AnkaraAges 40–65 - NCT07128979RecruitingPhase 4
Studying butcher’s broom for moderate hemorrhoids
This study tests a plant-based medication made from butcher’s broom (Ruscus aculeatus) to see if it safely helps people with moderate hemorrhoids. If you have stage II or III hemorrhoids and are between 18 and 45, you may be able to join.
IstanbulAges 18–45 - NCT07129564Recruiting
Stepwise treatment for persistent atrial fibrillation
This study tests a stepwise treatment plan for people with persistent atrial fibrillation (a long-lasting irregular heartbeat) who also have an enlarged left atrium. It aims to see if a medication called amiodarone plus a cardioversion procedure can help restore normal rhythm.
ChongqingAges 18–70 - NCT07129811Recruiting
Nerve block for chronic pain syndrome
This trial tests a nerve block injection (stellate ganglion block) to treat complex regional pain syndrome, a chronic pain condition. It may help if your pain is severe and other treatments haven't worked.
Ankara, ÇankayaAges 18–75 - NCT07130526Recruiting
Distrupt Stiffness: studying a new treatment for hardened leg arteries
This trial tests a new approach to treat severe, hardened blockages in the leg arteries. It may help people with painful leg symptoms or wounds that won't heal.
Essen, North Rhine-WestphaliaAges 18–85 - NCT07130773Recruiting
Comparing two catheter types for atrial fibrillation ablation
This trial compares two types of special catheters (thin tubes) used during a procedure called ablation to treat atrial fibrillation (irregular heartbeat). It aims to see which catheter works better during the procedure, and may help improve future treatments for people with heart rhythm problems.
Lugano, Canton TicinoAges 18 years+ - NCT07130929Recruiting
Electrical stimulation for muscle weakness after severe stroke
This trial tests if a gentle electrical stimulation technique, called functional electrical stimulation, can help patients recover muscle strength after a severe stroke that left them weak in the arms and legs. It may offer a new way to aid rehabilitation in the early months after stroke.
Florence, FIAges 18–80 - NCT07131241Recruiting
A study to predict risk in pulmonary hypertension
This study aims to better predict the future risk for people with pulmonary hypertension (high blood pressure in the lungs) by combining different types of health information collected over time. If you join, researchers will track your health data to build a tool that personalizes care and improves outcomes.
Fuzhou, FujianAges 18 years+ - NCT07131631Recruiting
MitraClip for leaky heart valve in heart failure patients
This trial tests if the MitraClip device helps people with heart failure and a leaky mitral valve. It uses a special MRI to check how the heart responds to treatment.
Minneapolis, MinnesotaAges 18 years+ - NCT07131748Recruiting
Water vs. land exercise for older adults with high blood pressure
This study compares the effects of exercising in heated water versus exercising on land for older adults with high blood pressure. It looks at how each type of exercise affects blood pressure, physical fitness, and quality of life.
Bauru, São PauloAges 60 years+ - NCT07132021Recruiting
Ear nerve stimulation for arm recovery after stroke
This trial tests a gentle, non-invasive ear stimulation device to help improve arm movement after a stroke. It is for people who had a stroke in the last 5 years and still have arm weakness.
Recife, PernambucoAges 18–75 - NCT07133516Recruiting
AI heart ultrasound study for adults ages 18-80
This study uses artificial intelligence to help evaluate heart ultrasounds. It is testing whether AI can accurately measure heart function in adults with various heart conditions, such as coronary disease, valve problems, high blood pressure, atrial fibrillation, heart failure, or cardiomyopathy.
Huainan, AnhuiAges 18–80 - NCT07133438RecruitingPhase 4
Vitamin B12 with eye injections for blocked retinal vein
This trial tests if adding mecobalamin (a form of vitamin B12) to standard anti-VEGF eye injections helps people with vision loss caused by a blocked vein in the retina. You must have swelling in the back of the eye and have had no prior treatments for this condition.
ChongqingAges 18–80
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 10,049 recruiting cardiology studies from the U.S. registry right now, out of 15,440 we cover in this area in total.
- What does “Heart & circulation” cover here?
- Heart disease, blood pressure, and disorders of the blood vessels and circulation. We group each study into heart & circulation based on the conditions it studies, so you can scan the whole therapeutic area at once and drill into a specific condition.
- How do I find a heart & circulation trial near me?
- Use the search to filter heart & circulation studies by location and eligibility. Every Clin2 trial page explains the criteria in plain English and offers a short, optional pre-screen for a fit read — the study team makes the final decision.
Other specialties
- Cancer
- Brain & nervous system
- Hormones & metabolism
- Mental health
- Digestive system
- Lungs & breathing
- Immune system & allergy
- Women’s health & pregnancy
- Skin
- Blood & lymphatic
- Kidney & urinary
- Infections
- Genetic & congenital
- Bones, joints & muscles
- Pain
- Injuries & trauma
- Mouth & dental
- Eyes & vision
- Ear, nose & throat
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov; specialty groupings are derived from each study’s conditions. Talk with your doctor about whether a specific trial is right for you.