Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 10,001 recruiting studies in this area right now.
By phase
- Not applicable7,980
- Phase 2482
- Phase 4481
- Phase 3447
- Phase 1360
- Phase 1/Phase 2163
- Phase 2/Phase 388
Top conditions
- Stroke846
- Heart Failure564
- Hypertension400
- Cardiovascular Diseases389
- Coronary Artery Disease370
- Multiple Myeloma332
- Atrial Fibrillation268
- Ischemic Stroke200
- Atrial Fibrillation (AF)142
- Acute Ischemic Stroke139
- Pulmonary Hypertension101
- Myocardial Infarction99
- Congenital Heart Disease86
- Stroke, Ischemic85
- Peripheral Arterial Disease83
- Acute Coronary Syndrome82
- Obesity80
- Aortic Valve Stenosis79
Leading sponsors
- Mayo Clinic95
- Assistance Publique - Hôpitaux de Paris91
- National Taiwan University Hospital74
- China National Center for Cardiovascular Diseases59
- Beijing Tiantan Hospital52
- Riphah International University51
- Second Affiliated Hospital, School of Medicine, Zhejiang University51
- Massachusetts General Hospital50
- Insel Gruppe AG, University Hospital Bern49
- Johns Hopkins University47
Where studies are running
- California466
- Alabama197
- Massachusetts182
- Arizona173
- New York162
- Florida144
- Minnesota121
- Illinois120
- Maryland120
- Texas118
Recruiting studies9,998 total
- NCT06527794Recruiting
Remote blood pressure management for Black patients
This study tests a remote program to help Black patients manage high blood pressure from home. You would use a blood pressure monitor and have phone or video visits with your care team.
Winston-Salem, North CarolinaAges 21–85 - NCT06528262RecruitingPhase 4
Study of enavogliflozin to prevent atrial fibrillation return after heart ablation
This trial tests if enavogliflozin, a diabetes drug, can help prevent atrial fibrillation (an irregular heartbeat) from coming back after a catheter ablation procedure in people with heart failure. If you've recently had or are planning this procedure, this study may offer a new way to keep your heart rhythm steady.
SeoulAges 19–84 - NCT06528418Recruiting
Breath test to find lung diseases
This study uses a simple breath test to detect different lung diseases. By analyzing the chemicals in your breath, researchers hope to find a faster, non-invasive way to diagnose lung conditions. It may be an option if you have a known lung disease and have a recent CT scan.
Guangzhou, GuangdongAges 18–100 - NCT06528717Recruiting
Keeping blood flow to the face during carotid artery surgery
This study tests whether a special technique to keep blood flowing through a small branch of the carotid artery during surgery helps people recover better after having the main blockage removed. It may be a good option if you have a significant narrowing in your carotid artery and are planning to have surgery to fix it.
BelgradeAges 50–90 - NCT06528704Recruiting
Real-time ventilation feedback during cardiac arrest
This trial tests if giving real-time feedback to rescuers during CPR can improve how they deliver breaths (rate and volume) to a person whose heart has stopped. It may help make ventilation more consistent and effective.
Knokke, West-VlaanderenAges 18 years+ - NCT06528873RecruitingPhase 4
COMS light therapy for chronic leg ulcers
This study tests a special light therapy called COMS to help heal chronic leg ulcers. It is for people with venous leg ulcers or mixed ulcers also involving artery disease, and aims to see if the treatment improves wound closure.
GrazAges 18 years+ - NCT06529744Recruiting
Using blood tests to better diagnose early dementia
This study is testing whether simple blood tests can help doctors better understand the type and progression of memory or thinking problems in people with early dementia. It aims to improve confidence in the diagnosis and future outlook.
North York, OntarioAges 30–95 - NCT06529848Recruiting
Exercise for heart symptoms with clear arteries
This trial tests if exercise training can help people who have chest pain or shortness of breath even though their main heart arteries are not blocked. It focuses on those with small vessel disease in the heart, also known as INOCA.
CopenhagenAges 50 years+ - NCT06530134Recruiting
Driving awareness program for recent stroke patients
This trial tests a program to help stroke survivors become aware of their driving abilities. It may help you understand if you are ready to drive again after a stroke.
Ploemeur, Brittany RegionAges 18–85 - NCT06530433Recruiting
Community first responder app trial in Singapore
This trial tests a new way to send trained community first responders to medical emergencies using the myResponder® app. It aims to see if faster help from nearby volunteers can improve outcomes for people in need.
Singapore, SigaporeAges 21 years+ - NCT06530537RecruitingPhase 3
Cilostazol vs. Aspirin for recent stroke with brain microbleeds
This trial compares two medications—cilostazol and aspirin—to see which is better at preventing another stroke in people who have had a recent clot-caused stroke and also have tiny spots of bleeding in the brain (microbleeds). It aims to find a safer and more effective treatment for this specific group.
Hangzhou, ZhejiangAges 35 years+ - NCT06530641RecruitingPhase 4
Comparing heart protection solutions during major heart surgery
This trial compares two types of cardioplegia (a solution that stops your heart during surgery) to see which one leads to better outcomes. It is for adults undergoing major heart surgery with a heart-lung machine.
Madrid, MadridAges 18 years+ - NCT06530693Recruiting
Improving emergency stroke care in the ambulance
This study looks at how emergency medical teams can better help people with stroke or mini-stroke symptoms. It aims to improve the way stroke care is started in the ambulance.
Camden, New JerseyAges 18 years+ - NCT06530927Recruiting
Blood clots and stroke risk study
This study looks at tiny blood clots and immune cell activity in people with or without a recent stroke. It aims to find markers that could predict stroke risk or help improve treatment.
Zurich, Canton of ZurichAges 18 years+ - NCT06531122RecruitingPhase 3
Comparing two blood thinners for cerebral venous thrombosis
This trial compares two blood thinners, Rivaroxaban and Apixaban, to see which works better for people with a blood clot in a brain vein. It may help find the safest and most effective treatment for this condition.
Kafr ash ShaykhAges 18–75 - NCT06532825Recruiting
Nerve function test in advanced heart failure
This study looks at how the nervous system controls the heart in people with advanced heart failure. It may help doctors understand which patients are unlikely to recover, so they can plan the best care.
FrederiksbergAges 18 years+ - NCT06533176Recruiting
Personalized brain stimulation after stroke
This study tests a new way to apply brain stimulation called TMS while watching your brain activity in real time, tailored to your personal brain state. It is for people who still have arm or hand weakness at least 6 months after a stroke.
Iowa City, IowaAges 18 years+ - NCT06533358RecruitingPhase 2
Testing MT1002 for heart attack patients getting a stent
This study tests an investigational medicine called MT1002 in people who have had a heart attack and are about to get a stent (PCI). The goal is to see if MT1002 helps prevent further heart problems.
Beijing, Beijing MunicipalityAges 18–85 - NCT06535503Recruiting
Heart attack with shock: Study of patient outcomes in Abu Dhabi
This study looks at the medical records of people who had a severe heart attack (STEMI) that caused cardiogenic shock. Researchers want to understand how these patients did during their hospital stay to improve care in the future.
Abu Dhabi, Abu Dhabi EmirateAges 18 years+ - NCT06535568Recruiting
Comparing one vs two blood thinners after heart artery balloon treatment
This trial tests whether taking just one blood thinner (clopidogrel) is as safe and effective as taking two (clopidogrel plus aspirin) for older adults or people at high bleeding risk who have had a drug-coated balloon procedure to open blocked heart arteries.
Milan, MIAges Any age - NCT06535659Recruiting
VitaFlow Liberty Valve Study for Severe Aortic Stenosis
This trial tests a new valve replacement device (VitaFlow Liberty) that is inserted through a tube in an artery, avoiding open-heart surgery. It is for people with severe aortic stenosis who are at high risk for traditional surgery.
GalwayAges 18 years+ - NCT06535854Recruiting
Prevail Stent Study for Heart Disease
This study tests a new type of stent for people with narrowed heart arteries causing chest pain or a recent mild heart attack. It aims to see if the stent is safe and effective in improving blood flow without serious side effects.
Birmingham, AlabamaAges 18 years+ - NCT06536413RecruitingPhase 1/Phase 2
ATRA and Carfilzomib for multiple myeloma
This trial tests if combining the drug ATRA with carfilzomib can help people with multiple myeloma whose cancer has come back or stopped responding to at least three prior treatments, including carfilzomib. The goal is to see if this new combination works better than carfilzomib alone.
Houston, TexasAges 18 years+ - NCT06536621Recruiting
Survey about neurosonology practice in Belgium
This study is a survey that asks neurologists in Belgian hospitals about their practice of neurosonology (ultrasound techniques for the nervous system). It helps understand how this tool is used in daily care.
BrusselsAges 18 years+
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 10,001 recruiting cardiology studies from the U.S. registry right now, out of 15,328 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.