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
- NCT06985199Enrolling by invitation
Hypertension care via mobile app
This trial tests a mobile health program adapted to your culture to help manage high blood pressure. It may be a good fit if you have hypertension and want to try a new way to support your treatment.
Accra, GhanaAges 30–80 - NCT06977646Enrolling by invitation
Heart surgery for apical hypertrophic cardiomyopathy without valve pressure
This study looks at people who have had surgery to reshape the left side of the heart for a specific type of thickened heart muscle (apical hypertrophic cardiomyopathy). It helps doctors understand how well this surgery works in patients without a large pressure difference across the heart valve.
Moscow, MoscowAges 15 years+ - NCT06976502Enrolling by invitation
Health eHeart Biobank
This trial collects blood and tissue samples from people with and without heart disease to study heart health. If you are 18 or older and either a UCSF patient, a family member of a heart patient, or have no heart disease, you may be able to help.
San Francisco, CaliforniaAges 18 years+ - NCT06973018Enrolling by invitation
Online cognitive rehab for mild memory problems
This trial tests an online program to help people with mild to moderate cognitive problems after a brain injury or nervous system disease improve their thinking skills. It is for Swedish speakers with internet access.
Stockholm, Stockholm CountyAges 18 years+ - NCT06970210Enrolling by invitation
Stroke recovery support program for El Paso residents
This program helps people who have had a stroke at least 6 months ago. It includes group education and physical therapy visits at UTEP. You need to be able to get to the sessions, and your health should be stable.
El Paso, TexasAges 18 years+ - NCT06968533Enrolling by invitation
AI ECG for detecting low heart pumping in older adults
This trial uses an AI tool to analyze your ECG (heart tracing) to detect low pumping function. It may help find hidden heart issues early, especially if you haven't had a recent heart ultrasound.
TaipeiAges 60–85 - NCT06966687Enrolling by invitation
Ulinastatin and thymosin for immune support after aortic dissection surgery
This trial tests whether two anti-inflammatory drugs, ulinastatin and thymosin α1, can help protect your immune system and organs after emergency surgery for a torn aorta (aortic dissection). If you qualify and take part, you may receive these medications in addition to standard care.
Beijing, Beijing MunicipalityAges 18–80 - NCT06964152Enrolling by invitation
AI-Guided Mapping for Ventricular Tachycardia Ablation
This trial uses artificial intelligence to analyze heart images and guide doctors during a procedure to stop dangerous fast heart rhythms called ventricular tachycardia.
La Jolla, CaliforniaAges 21–90 - NCT06961487Enrolling by invitation
Stroke treatment trial for large area brain damage
This trial tests if a procedure to remove a large blood clot from the brain (called a thrombectomy) can help people with severe strokes who have a large damaged area. It is for people who can be treated within 24 hours of their stroke starting.
Palo Alto, CaliforniaAges 18–90 - NCT06959784Enrolling by invitationPhase 4
A study on new diabetes drugs for heart health and remission
This trial tests if newer diabetes medications can reduce heart risk and help achieve diabetes remission in people newly diagnosed with type 2 diabetes. It may be an option if you have not taken diabetes drugs before or stopped them over three months ago, and your blood sugar and weight are in certain ranges.
BeijingAges 30–70 - NCT06958640Enrolling by invitation
Da Qing offspring health study
This study looks at the health of children, grandchildren, and great-grandchildren of people who took part in a diabetes prevention study in Daqing, China. It aims to understand how their family history affects their health over time.
Beijing, Beijing MunicipalityAges Any age - NCT06957548Enrolling by invitation
Heart and diabetes risk in Cameroon adults
This study looks at risk factors for heart disease and diabetes in adults living in or from Cameroon. It involves a simple screening to better understand your health.
Douala, Littoral RegionAges 18 years+ - NCT06954792Enrolling by invitation
Studying heart changes after tricuspid valve replacement
This study looks at how the heart adjusts after a procedure to replace the tricuspid valve (the valve between the right upper and lower heart chambers). It focuses on patients who need medication to support their blood pressure within 24 hours after the procedure, to better understand and manage this unstable period.
New York, New YorkAges 18 years+ - NCT06951451Enrolling by invitation
Smartphone app to improve heart medication use in Oman
This study tests whether a smartphone app called MED-AD helps people in Oman with heart conditions take their medications more regularly. If you join, you'll use the app and the researchers will compare your medication habits to those who don't use it.
MuscatAges 18 years+ - NCT06943014Enrolling by invitation
Wearable device study for activity after stroke
This study uses a small device worn on your arm to measure how much you move and sit during daily life. It aims to help understand physical activity patterns in people recovering from a stroke with some walking difficulty.
BrusselsAges 18 years+ - NCT06938542Enrolling by invitation
Palliative care needs for kids with rare diseases
This study asks children with rare diseases and their families about what kind of palliative care (comfort and support) they need. It aims to understand how to better help families through their child's illness.
Washington D.C., District of ColumbiaAges 1–99 - NCT06937320Enrolling by invitationPhase 2
Testing ketone supplements for heart failure with preserved ejection fraction (HFpEF)
This study tests whether a special dietary supplement (ketone esters) can improve exercise ability and heart function in people with a type of heart failure where the heart pumps well but is stiff (HFpEF). You might join if you have stable symptoms, an ejection fraction of 50% or higher, and signs of fluid buildup in the heart.
Durham, North CarolinaAges 18 years+ - NCT06935526Enrolling by invitation
Mobile app and phone calls for ICD patients
This trial tests if a mobile app and regular phone check-ins can help reduce anxiety and improve confidence for people with an implantable cardioverter-defibrillator (ICD). It may be a good fit if you have an ICD, feel some anxiety, and use an Android smartphone.
Antalya, KonyaaltıAges 18 years+ - NCT06933992Enrolling by invitation
Chocolate balloon for blocked leg arteries
This trial tests a special balloon called the Chocolate Balloon Catheter to open blocked leg arteries. It may help people with peripheral artery disease avoid more invasive surgery.
HangzhouAges 18–80 - NCT06931886Enrolling by invitation
Breathing training for pulmonary hypertension
This trial tests if special breathing exercises can help people with pulmonary hypertension. You may join if your condition is stable and you haven't smoked in the last 10 years.
Tucson, ArizonaAges 18 years+ - NCT06927726Enrolling by invitation
Numbing medicine study for people with high blood pressure needing a tooth pulled
This study tests two different numbing medicines in people with high blood pressure who need a single upper tooth pulled. The goal is to see which one works better and keeps heart activity stable during the procedure.
Tanta, TantaAges Up to 70 years - NCT06927440Enrolling by invitation
Registry for children with severe heart failure in China
This study is creating a registry to learn more about children with advanced heart failure. It will help doctors understand who can benefit from treatments like medicine, devices, or transplants.
Shanghai, Shanghai MunicipalityAges Up to 18 years - NCT06923735Enrolling by invitation
Nutrition app pilot for employee health checks
This pilot study tests a nutrition app to help employees manage conditions like high cholesterol, high blood pressure, weight issues, or type 2 diabetes. It is part of your regular occupational health check or dietitian visit.
KuopioAges 18–75 - NCT06911463Enrolling by invitation
Pain relief for TAVI valve procedure
This study tests two numbing injections for people having a new aortic valve placed through a leg artery (TAVI). One injection is near the hip bone, the other in the groin area. The goal is to see which one provides better pain control while keeping you awake and comfortable.
CairoAges 20 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
- Cancer
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- Mental health
- Digestive system
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- 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.