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
- NCT06894095Recruiting
Heart and blood vessel imaging study for adults with coronary CT
This study collects heart and blood vessel images from people who have already had a coronary CT scan. It aims to learn more about heart health and may help future patients.
Nanjing, JiangsuAges 18 years+ - NCT06894433Recruiting
Surgery for large brain bleeds
This trial tests a type of keyhole surgery called neuroendoscopic surgery to remove large blood clots in the brain. It may help people who have had a serious brain bleed and need urgent surgery.
Chongqing, Chongqing MunicipalityAges 18–80 - NCT06894602Recruiting
Can Ultrasound Predict Relapse in Giant Cell Arteritis?
This study uses an ultrasound of the temporal artery (a vessel in your temple) to see if certain findings can predict whether giant cell arteritis will come back. It may help doctors know who needs closer monitoring.
BrestAges 18 years+ - NCT06894875Recruiting
Lentil protein's effect on blood pressure and exercise
This trial tests a lentil protein supplement to see if it helps control blood pressure, improve blood vessel function, and boost exercise performance. You may be able to join if you're a healthy, active adult aged 18-45.
Melbourne, VictoriaAges 18–45 - NCT06895070Recruiting
Heart transplant study using a special preservation machine
This trial tests a special machine that preserves donor hearts for longer periods before transplant. It may help people waiting for a heart transplant who need a heart from a donor that may be older or has some heart risks.
La Jolla, CaliforniaAges 18 years+ - NCT06895291Recruiting
Whole body MRI for cancer patients
This study uses whole-body MRI scans to see if they help monitor or diagnose cancer better. It may be an option if your doctor has already recommended this type of scan.
Bologna, BOAges 18 years+ - NCT06895980Recruiting
Gum treatment for better blood sugar in diabetes
This trial tests whether treating gum disease can help improve blood sugar control in people with type 2 diabetes. If you have poorly controlled diabetes and gum disease, you may be able to join this study.
Santiago, ProvidenciaAges 18 years+ - NCT06896227Recruiting
TAVR positioning and its effect on valve and heart blood flow
This study looks at how the placement of a new aortic valve (TAVR) affects blood flow through the valve and into the heart arteries. It may help doctors understand best practices for people who already had a TAVR procedure.
DüsseldorfAges Any age - NCT06896266Recruiting
Genetic study of arrhythmia-induced heart muscle weakness
This study looks at the genes of people whose heart muscle becomes weak due to a fast or irregular heartbeat (atrial fibrillation or flutter). The goal is to better understand why this happens in some people and not others.
Ciudad Real, Castille-La ManchaAges 18 years+ - NCT06896916RecruitingPhase 1
Study of etentamig and a CELMoD drug for relapsed multiple myeloma
This trial tests a new combination of two drugs—etentamig given through a vein and a CELMoD pill—for people whose multiple myeloma has come back or stopped responding to treatment. The goal is to see if this combination is safe and helps control the disease.
Beverly Hills, CaliforniaAges 18 years+ - NCT06897176RecruitingPhase 4
Cerebrolysin for speech recovery after stroke
This study tests whether a medicine called Cerebrolysin can help improve speech in people who have trouble speaking after a stroke. It is for Korean speakers who had their first stroke within the last month.
SeoulAges 19–90 - NCT06897410Recruiting
Support program after hospital discharge for heart or lung issues
This program offers extra support—like social and home care help—after you leave the hospital for a heart or lung problem. It's designed for people 65 and older who live in the Sant Jaume de Calella Hospital area.
Calella, BarcelonaAges 65 years+ - NCT06897631Recruiting
Tai chi with a robot for arm recovery after stroke
This study combines a robotic arm device with tai chi exercises to help people who have had a stroke regain movement and strength in their affected arm. The goal is to make rehabilitation more engaging and effective.
Fuzhou, FujianAges 40–80 - NCT06898021Recruiting
3D stent study for heart artery blockages
This trial tests a new way of placing stents in heart arteries using a special ultrasound guidance. It may be a good option if you have a heart condition needing a stent and the area to be stented is not too long.
AalstAges 18 years+ - NCT06898307Recruiting
Genetic test study for inherited heart rhythm conditions
This study uses genetic testing to better diagnose, predict, and manage inherited heart rhythm diseases. It is designed for patients at the University of Ferrara's Cardiogenetic Center who have a confirmed genetic heart condition.
FerraraAges Any age - NCT06899113Recruiting
Comparing a new imaging device to standard blood flow tests
This trial tests a new camera that uses light to check blood flow in your legs. It compares the camera's results to standard tests like ABI and Doppler ultrasound to see if it works as well.
Lake Success, New YorkAges 18 years+ - NCT06899399Recruiting
Stent study for asymptomatic carotid artery blockage
This trial tests a stent procedure to open a severely blocked carotid artery in people who have not had a stroke or mini-stroke from that blockage recently. It aims to see if the procedure is safe and effective for preventing future strokes.
BeijingAges 40–80 - NCT06899711Recruiting
A helmet after skull surgery to prevent sunken flap
This study tests whether wearing a custom-made external helmet after a large skull removal surgery can prevent the skin from sinking in. If you've had this surgery in the last two weeks and are being treated at a Johns Hopkins hospital, you may be eligible.
Baltimore, MarylandAges 18 years+ - NCT06899815RecruitingPhase 1
Early safety study of F230 tablets in healthy volunteers
This trial tests a new medicine, F230, in healthy people for the first time. The goal is to check how safe it is and how the body handles it. You might consider this if you are a healthy adult looking to help advance medical research.
Hubei, WuhanAges 18–45 - NCT06899750Recruiting
E3 Hypertension: A team program for blood pressure control
This study tests a team-based program to help African American and Latinx people with uncontrolled high blood pressure. You'll use a smartphone app and get extra support from a doctor team to manage your blood pressure better.
Chicago, IllinoisAges 18 years+ - NCT06900270Recruiting
Comparing blood markers in coronary artery disease
This study looks at blood proteins and other molecules in people with different types of coronary artery disease. The goal is to see how these markers differ between those with blocked arteries, those with narrowed arteries, and those with no artery disease. This may help doctors better understand the disease and improve treatment.
São Paulo, São PauloAges 50–80 - NCT06901466RecruitingPhase 4
Blood thinner study after heart valve repair
This study tests different ways to use blood thinners after a minimally invasive heart valve repair procedure. It may help patients who need long-term blood thinning to prevent clots or stroke.
Beijing, Beijing MunicipalityAges Any age - NCT06902415Recruiting
Using a computer analysis platform for brain blood vessel disease
This study uses a special computer platform to analyze DSA scan images from people with brain blood vessel diseases. It aims to better understand their condition and guide treatment decisions.
Beijing, Beijing MunicipalityAges 1–80 - NCT06902740RecruitingPhase 4
PCSK9 inhibitor with statin for asymptomatic brain artery narrowing
This trial tests whether adding a PCSK9 inhibitor to standard statin therapy can help people with narrowing in brain arteries that hasn't caused symptoms yet. The goal is to see if this combination lowers plaque and prevents future strokes.
Beijing, Beijing MunicipalityAges 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
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- Hormones & metabolism
- 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.