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
- NCT06262399Enrolling by invitation
Long-term safety check for NTLA-2002 recipients
This study follows people who previously got the experimental drug NTLA-2002 in an Intellia trial. It checks long-term safety and health effects, even if you already stopped treatment.
Campbelltown, New South WalesAges Any age - NCT06261333Enrolling by invitation
Quality of life study for HHT patients
This study looks at how hereditary hemorrhagic telangiectasia (HHT) affects your day-to-day life and well-being. By joining, you'll answer questions to help doctors better understand the impact of the condition.
Essen, North Rhine-WestphaliaAges 18 years+ - NCT06215105Enrolling by invitation
Collecting real-world data on treatments for brain aneurysms
This trial is gathering information from patients who are getting a standard treatment for a brain aneurysm using MicroVention devices. It helps doctors understand how well these treatments work in real life.
Hollywood, FloridaAges Any age - NCT06212050Enrolling by invitation
A new valve for severe aortic stenosis in bicuspid valves
This trial tests a special heart valve (ACURATE neo2) in people with severe aortic stenosis who also have a bicuspid aortic valve, a common birth difference. The goal is to see if the valve is safe and works well for these patients.
Bad NauheimAges 18 years+ - NCT06211413Enrolling by invitation
Tracking heart issues in CLL patients on BTK inhibitors
This study watches for high blood pressure and irregular heartbeats in people with CLL who are starting a type of targeted therapy called a BTK inhibitor (acalabrutinib or zanubrutinib). Researchers will use a smartwatch and blood pressure cuff to monitor your heart health at home.
Philadelphia, PennsylvaniaAges 22 years+ - NCT06194526Enrolling by invitation
Blood test to measure heart artery plaque
This study is testing whether a new blood test can detect the amount of plaque buildup in your heart arteries compared to what a CT scan shows. It may help people with known or suspected coronary artery disease get a simpler, faster way to check their heart health.
Ciudad Autónoma de Buenos Aire, Buenos Aires F.D.Ages 18–75 - NCT06191094Enrolling by invitationPhase 4
Vabysmo before eye surgery for bleeding in diabetes
This trial tests if an injection of Vabysmo (faricimab) given before surgery can help people with eye bleeding from diabetic retinopathy. It aims to reduce blood in the eye and improve surgery outcomes.
Aurora, ColoradoAges 18 years+ - NCT06171737Enrolling by invitation
Shared decision-making for severe aortic stenosis
This study tests a way to help people with severe aortic stenosis make informed choices about treatment. It may help you talk with your heart team about options like valve replacement.
San Francisco, CaliforniaAges 65–85 - NCT06136793Enrolling by invitation
Healthy home habits for Chinese-heritage adults
This study tests a program to help Chinese-heritage adults with heart or diabetes conditions adopt healthier eating and lifestyle habits at home. It includes online resources and support to make lasting changes.
New Brunswick, New JerseyAges 30–70 - NCT06113458Enrolling by invitation
Comparing remote blood pressure monitoring for hypertension
This trial compares two ways of checking blood pressure at home to see which works better for people with high blood pressure. It may help find a more convenient way to manage your health.
San Francisco, CaliforniaAges 18 years+ - NCT06112327Enrolling by invitation
Long-term follow-up for a gene editing heart therapy
This study follows people who already received an experimental gene editing treatment for cardiovascular disease in a prior Verve trial. The goal is to monitor their health and any long-term effects over time.
AucklandAges 18 years+ - NCT06108102Enrolling by invitation
Post-stroke epilepsy research database study
This trial is creating a global research database to learn more about seizures that happen after a stroke. By joining, you help doctors better understand who gets these seizures and how to treat them.
New Haven, ConnecticutAges 18 years+ - NCT06096831Enrolling by invitation
Living with stroke: studying healthcare use over time
This study looks at how stroke survivors use healthcare services over time. It hopes to find ways to improve long-term support and care after a stroke.
HaifaAges 18 years+ - NCT06086496Enrolling by invitation
Study of a new drug-releasing stent for heart arteries
This trial tests a new type of stent (a small mesh tube) that slowly releases a medicine called sirolimus to keep your heart artery open after angioplasty. It is designed for people with narrowing in their heart arteries who need a stent.
Seoul, SeoulAges 19 years+ - NCT06083155Enrolling by invitation
Dutch registry of coronary function tests
This study collects information from people who are already scheduled for a coronary function test, to learn more about heart vessel health. By joining, you help researchers understand patterns and improve care for others.
Nijmegen, GelderlandAges Any age - NCT06077422Enrolling by invitationPhase 2/Phase 3
Comparing two pain blocks for heart surgery recovery
This trial compares two types of pain blocks (Exparel vs. Marcaine) given during heart surgery to see which one provides better pain relief. If you are scheduled for a heart surgery through a small or full chest incision, you may be able to join.
New Brunswick, New JerseyAges 18 years+ - NCT06065761Enrolling by invitation
Better risk assessment for heart failure in the ER
This trial looks at ways to better understand how serious heart failure is for people who come to the emergency room. It could help doctors decide on the best treatment more quickly.
Antioch, CaliforniaAges 18 years+ - NCT06052072Enrolling by invitation
Heart failure trial testing nerve treatment for lung pressure
This trial tests a new treatment that uses a device to calm overactive nerves in the lung's blood vessels. It is for heart failure patients who also have high blood pressure in their lungs, to see if it can help them breathe easier and feel better.
Chicago, IllinoisAges 22–85 - NCT06041906Enrolling by invitation
International registry for congenital portosystemic shunt
This registry is gathering information from people who have a rare liver blood vessel problem they were born with (congenital portosystemic shunt). By joining, you help researchers learn more about this condition and improve future care.
New Haven, ConnecticutAges 1 day+ - NCT06041581Enrolling by invitation
Insomnia treatment study for heart health
This study tests whether treating insomnia can help lower your risk for heart disease. If you have trouble sleeping and certain heart risk factors, you may be able to join.
Indianapolis, IndianaAges 40 years+ - NCT06040255Enrolling by invitationPhase 4
Steroid treatment for focal brain artery inflammation in children
This trial tests whether short-term steroids improve recovery for children who recently had a stroke or mini-stroke caused by inflammation of a brain artery. If you qualify, you would receive steroids and follow-up imaging to see if it helps prevent further damage.
San Francisco, CaliforniaAges 1–18 - NCT06034392Enrolling by invitation
CHAMP app study for kids with complex heart conditions
This study tests whether using a mobile app to monitor children with complex health conditions at home can help their care team. Families will use the app to share health information instead of only in clinic visits.
Washington D.C., District of ColumbiaAges Up to 18 years - NCT06025305Enrolling by invitation
Using AI to find dangerous heart plaque on CT scans
This study uses artificial intelligence to look at CT scans of the heart to find which fatty deposits (plaque) in the arteries might be dangerous. It may help doctors better predict heart attacks.
Nanjing, JiangsuAges 18 years+ - NCT06002165Enrolling by invitation
Testing Ways to Improve Care for High Blood Pressure in Pregnancy
This study tests ways to help clinics follow a set of best practices for managing severe high blood pressure during and after pregnancy. It wants to see if the new approach helps clinics treat high blood pressure faster and more effectively.
Chapel Hill, North CarolinaAges birth–99 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.