Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 10,073 recruiting studies in this area right now.
By phase
- Not applicable8,041
- Phase 2490
- Phase 4483
- Phase 3452
- Phase 1359
- Phase 1/Phase 2162
- Phase 2/Phase 386
Top conditions
- Stroke855
- Heart Failure565
- Hypertension403
- Cardiovascular Diseases389
- Coronary Artery Disease375
- Multiple Myeloma330
- Atrial Fibrillation273
- Ischemic Stroke200
- Atrial Fibrillation (AF)146
- Acute Ischemic Stroke141
- Pulmonary Hypertension104
- Myocardial Infarction98
- Congenital Heart Disease87
- Peripheral Arterial Disease85
- Stroke, Ischemic84
- Acute Coronary Syndrome82
- Obesity80
- Aortic Valve Stenosis78
Leading sponsors
- Mayo Clinic94
- Assistance Publique - Hôpitaux de Paris92
- National Taiwan University Hospital74
- China National Center for Cardiovascular Diseases59
- Beijing Tiantan Hospital54
- 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
- California467
- Alabama198
- Massachusetts181
- Arizona176
- New York166
- Florida146
- Maryland120
- Texas120
- Illinois119
- Minnesota119
Recruiting studies10,070 total
- NCT07166965Enrolling by invitation
Supplement for Heart Failure: Ketones and Hawthorn
This trial tests whether adding a supplement containing ketones and hawthorn extract can help people with heart failure feel better and improve their heart function. You will take the supplement daily and have imaging scans and exercise tests to monitor your progress.
Philadelphia, PennsylvaniaAges 18 years+ - NCT07159698Enrolling by invitation
Study of patients after heart attack or stroke
This study looks at the health records of people who have had a heart attack or stroke. It helps doctors understand the typical patient's health profile and needs over time.
MinskAges 18 years+ - NCT07159399Enrolling by invitation
Pharmacist-led education to help patients take blood thinners
This trial tests if talking with a pharmacist helps people with atrial fibrillation remember to take their blood thinner medicine correctly. It may improve stroke prevention.
TaipeiAges 18 years+ - NCT07159256Enrolling by invitation
Processing speed after stroke and its effect on movement and quality of life
This study looks at how fast your brain processes information after a stroke and how that affects your movement, balance, walking, and daily life. It may help find better ways to help people recover.
Istanbul, KüçükçekmeceAges 40–75 - NCT07159178Enrolling by invitation
Shoulder problems and balance in stroke survivors
This study looks at how shoulder problems after a stroke affect balance. Understanding this link could help improve therapy for better stability and fall prevention.
Istanbul, KÜÇÜKÇEKMECEAges 40–80 - NCT07158450Enrolling by invitation
Heart health check for cancer patients
This trial tests a new device that monitors heart health during cancer treatment. It uses a simple on-body sensor alongside your regular echocardiogram to see if it can detect heart changes early.
Golden, ColoradoAges 18 years+ - NCT07158307Enrolling by invitation
Studying a new balloon treatment for small heart arteries
This trial tests a special balloon coated with medicine to treat blocked small arteries in the heart. It may help people who have new blockages and are getting a procedure to open those arteries.
UlsanAges 19 years+ - NCT07154303Enrolling by invitation
Testing smartphones to detect irregular heart rhythm
This trial tests if smartphones and their accessories can detect a specific type of irregular heart rhythm called atrial fibrillation. If you have a form of atrial fibrillation or a normal heart rhythm, you may help see how well these devices work.
Hong KongAges 22 years+ - NCT07149129Enrolling by invitation
Biofeedback therapy after stroke
This trial tests if a therapy called biofeedback can help people with arm stiffness after a stroke. It may help you gain better control and movement in your affected arm.
Curitiba, ParanáAges 20–60 - NCT07134621Enrolling by invitation
Blood vessel damage in repaired aortic narrowing with exercise-related high blood pressure
This study checks if people with repaired coarctation of the aorta who develop high blood pressure only during exercise have any damage to their blood vessels or organs. It aims to understand how exercise affects long-term health after aortic repair.
LjubljanaAges 18 years+ - NCT07132255Enrolling by invitation
Study of remote robot-assisted heart stent placement
This trial tests whether a doctor can use a robot to place a heart stent while being in a different location. It is designed for people who need a stent to open a blocked heart artery.
Jimsar, Xinjiang Uygur Autonomous RegionAges 18–80 - NCT07131410Enrolling by invitation
Hyaluronic acid cream to prevent foot ulcers in diabetes
This trial tests a cream made with hyaluronic acid, a natural substance that helps keep skin moist, to see if it can prevent foot sores in people with type 2 diabetes and nerve damage in their feet. If you have diabetes-related nerve issues and want to protect your feet, this study may be for you.
MálagaAges 18 years+ - NCT07130968Enrolling by invitation
Heart and lung function study with exercise test and five-year follow-up
This study looks at how your heart and lungs work during exercise by using a special test called a cardiopulmonary exercise test (CPET). Researchers will follow you for up to five years to see how your health changes. It may help you understand your heart condition better and get more personalized care.
Guangzhou, GuangdongAges 18–80 - NCT07130955Enrolling by invitation
Ablation for hard-to-control high blood pressure with kidney disease
This study tests a new device that uses energy to calm kidney nerves, which may help lower blood pressure in people with chronic kidney disease whose blood pressure stays high despite taking multiple medications.
Beijing, Beijing MunicipalityAges 18–65 - NCT07128771Enrolling by invitation
Heart effects of gender-affirming hormone therapy
This study looks at how gender-affirming hormone therapy affects the heart and blood vessels. It aims to understand any changes in heart health for transgender individuals starting or continuing this treatment.
Oslo, OsloAges 16 years+ - NCT07127952Enrolling by invitation
Nail fold test for stomach blood vessel condition
This study looks at whether a simple nail fold test can detect changes in small blood vessels that match changes seen in the stomach. It may help people with a stomach condition called GAVE, especially if they also have a connective tissue disease.
Jacksonville, FloridaAges 18–95 - NCT07126197Enrolling by invitation
Lymphovenous bypass for diabetic nerve pain
This study tests if a surgery called lymphovenous bypass can reduce nerve pain caused by diabetes. It may help people with diabetic peripheral neuropathy, even if they have foot ulcers.
TaipeiAges 20–80 - NCT07117500Enrolling by invitation
Exercise rehab program for aortic dissection patients
This trial tests a personalized exercise program for people who had a serious tear in the aorta (aortic dissection) and were treated with a stent or graft. The goal is to help you recover safely and improve your strength and well-being.
Nanchang, JiangxiAges 18 years+ - NCT07110389Enrolling by invitation
Heart health app program for coronary disease
This study tests a home-based cardiac rehabilitation program delivered through a smartphone app for people with coronary heart disease. If you join, you'll use the app to track your health and get support, which may help you recover and stay heart-healthy.
Taoyuan, Guishan Dist.Ages 20 years+ - NCT07108803Enrolling by invitation
Surgery for heart infection study
This study looks at people who have heart surgery to treat a serious heart infection called infective endocarditis. It helps doctors learn more about how these surgeries work and what affects recovery.
Trieste, TRIESTEAges 18 years+ - NCT07100483Enrolling by invitation
Comparing surgery methods for atrial fibrillation
This trial studies different surgical techniques for treating atrial fibrillation during heart surgery. It may help people with a history of AFib who are already scheduled for open-heart surgery.
Grand Rapids, MichiganAges 18–85 - NCT07095634Enrolling by invitation
Heart risk study for Crohn's and colitis patients
This study looks at heart health in people with Crohn's disease or ulcerative colitis. It aims to understand the risk of heart problems over 2 years.
San Donato Milanese, MilanAges 16 years+ - NCT07093151Enrolling by invitation
Comparing blood pressure goals after brain tumor surgery
This study looks at two different blood pressure targets after surgery to remove a brain tumor. The goal is to see which target helps patients recover better and have fewer complications.
Nashville, TennesseeAges 18 years+ - NCT07090382Enrolling by invitation
Predicting shock risk in heart attack patients
This study uses an AI tool to predict which patients with a heart attack might develop cardiogenic shock, a serious complication where the heart can't pump enough blood. It aims to help doctors identify high-risk patients early.
BratislavaAges 18 years+
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 10,073 recruiting cardiology studies from the U.S. registry right now, out of 15,588 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
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- Genetic & congenital
- Bones, joints & muscles
- Pain
- Injuries & trauma
- Mouth & dental
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- 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.