Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 10,008 recruiting studies in this area right now.
By phase
- Not applicable7,984
- Phase 2484
- Phase 4481
- Phase 3449
- Phase 1360
- Phase 1/Phase 2163
- Phase 2/Phase 387
Top conditions
- Stroke846
- Heart Failure563
- Hypertension400
- Cardiovascular Diseases389
- Coronary Artery Disease371
- Multiple Myeloma331
- Atrial Fibrillation271
- Ischemic Stroke200
- Atrial Fibrillation (AF)143
- Acute Ischemic Stroke141
- Pulmonary Hypertension101
- Myocardial Infarction99
- Congenital Heart Disease86
- Stroke, Ischemic84
- 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 Hospital53
- 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
- California467
- Alabama197
- Massachusetts182
- Arizona174
- New York163
- Florida143
- Minnesota121
- Maryland120
- Illinois119
- Texas118
Recruiting studies10,005 total
- NCT06726434Recruiting
Comparing freezing vs. surgery for foot spasticity after stroke
This trial compares a freezing procedure (cryoneurotomy) with standard surgery to treat foot stiffness after a stroke. It aims to see which method better corrects the foot turning inward and downward, helping you walk more easily.
GarchesAges 18 years+ - NCT06726460Recruiting
New rapid electrolyte test accuracy trial
This trial is testing a new, quick bedside test to measure electrolytes (like sodium and potassium) in emergency patients. It aims to see if the new test is as accurate as standard lab tests, which could help doctors make faster decisions.
Guangzhou, GuangdongAges 4 weeks+ - NCT06726590Recruiting
Gene testing for better medication outcomes
This study collects blood, urine, and cheek swabs, along with health information, to see how your genes affect your response to medications. You may be eligible if you take many medications or are on blood pressure or depression medication.
Bryan, TexasAges 18 years+ - NCT06726941Recruiting
Exercise and gene changes in stroke recovery
This study looks at how exercise affects certain genes and chemical changes in the body for people who have had a stroke. It may help find new ways to improve recovery after a stroke.
AfyonkarahisarAges 25–70 - NCT06727006Recruiting
Rescue stenting and clot-dissolving medicine for severe stroke
This trial tests whether using a stent plus a clot-dissolving drug can improve outcomes for people with a large-vessel stroke who are having a procedure to remove the clot. It is designed for patients who can receive treatment within 24 hours of their first symptoms.
Bergamo, ItalyAges 18 years+ - NCT06727669Recruiting
Long-term study of blood clotting and bleeding disorders
This study observes patients with blood clotting or bleeding disorders over time to collect health information and improve care.
Beijing, Beijing MunicipalityAges Any age - NCT06728592Recruiting
Emergency stroke unit for ischemic stroke within 6 hours
This trial tests a dedicated emergency stroke unit for people with ischemic stroke who can get treatment within 6 hours of symptoms starting. It aims to see if this special care area improves outcomes.
Hong KongAges 18–100 - NCT06729021Recruiting
Predicting leg blood clots after heart or lung surgery
This study tests whether a simple score (Modified Caprini) and a blood test (D-dimer) can help predict and prevent blood clots in the legs after heart or lung surgery. If you are having cardiothoracic surgery and will be in the hospital for a few days, you may be able to join.
BaghdadAges 18 years+ - NCT06730113Recruiting
Young adults with type 2 diabetes and heart health study
This study looks at how type 2 diabetes starting in youth affects the heart over time. It also includes teens and young adults who are overweight or lean, and their biological parents, to compare heart health across these groups.
Washington D.C., District of ColumbiaAges 12–25 - NCT06730230Recruiting
Remote monitoring and health coaching for Latinx patients with high blood pressure
This study tests if using a home blood pressure monitor plus support from a community health worker can help Latinx patients better manage their high blood pressure. You may be able to join if you have trouble keeping your blood pressure under control.
New York, New YorkAges 18 years+ - NCT06730256RecruitingEarly Phase 1
Cell therapy for hard-to-treat multiple myeloma and plasma cell leukemia
This study tests a new cell therapy called CT0596 for people with multiple myeloma or plasma cell leukemia that is not responding to standard treatments or has come back. The therapy uses your own immune cells that are modified to fight the cancer.
Suzhou, JiangsuAges 18 years+ - NCT06730464Recruiting
Predicting dangerous heart rhythms in non-ischemic heart disease
This study uses heart MRI scans to predict who might develop dangerous heart rhythms. It's for people with certain types of non-ischemic heart disease who have already had an MRI with contrast.
Milan, ItalyAges 18 years+ - NCT06730711Recruiting
Blood pressure and stroke-related thinking changes
This study looks at how blood pressure after a stroke might affect your thinking and memory. It uses information from your hospital stay and follow-up visits to see if there is a link.
Chongqing, Chongqing MunicipalityAges 18–90 - NCT06730607Recruiting
Predicting heart rhythm problems after myocarditis
This study uses heart MRI scans to predict who might develop dangerous heart rhythms after recovering from myocarditis. It aims to find better ways to monitor patients and prevent emergencies.
Rozzano, MilanAges 18 years+ - NCT06730828RecruitingPhase 1/Phase 2
Amiodarone patch to prevent new irregular heartbeat after heart surgery
This trial tests a patch that releases amiodarone, a medicine that helps prevent a common irregular heartbeat after open-heart surgery. The patch is placed on the heart during surgery to stop new atrial fibrillation from starting.
Louisville, KentuckyAges 20–85 - NCT06731244Recruiting
Deciding about blood thinners after a first clot
This study helps you and your doctor decide together whether to continue blood thinners after a first unexpected blood clot. You join after 3 to 6 months of treatment to discuss your options.
Brest, FranceAges 18 years+ - NCT06731673Recruiting
HSP47 protein study in blood clots
This study looks at a protein called HSP47 in people with blood clots, heart attacks, or strokes caused by atrial fibrillation, compared to healthy volunteers. It aims to learn more about how blood clots form and may lead to better treatments.
Aarhus, Central RegionAges 18 years+ - NCT06732102Recruiting
Philly Heart Health Study: DECIDE+
This study tests a program to help Philadelphians with conditions like high blood pressure, diabetes, or weight concerns and unmet social needs (like food or housing) get better health support. You'll work with a community health worker to learn ways to improve your health.
Philadelphia, PennsylvaniaAges 35–75 - NCT06732232RecruitingEarly Phase 1
CAR-T therapy for multiple myeloma that returned or didn't respond
This early trial tests a new CAR-T cell treatment targeting three proteins (CD19, CD22, and BCMA) on myeloma cells. It's for people whose myeloma came back or didn't respond to at least three prior treatments.
ShanghaiAges 18–75 - NCT06733012Recruiting
Nerve block trial for heart failure patients
This trial tests a nerve block procedure to improve heart function in people with heart failure and reduced pumping ability. It aims to see if blocking certain nerves can help you feel better and be more active.
Durham, North CarolinaAges 18 years+ - NCT06733025Recruiting
Comparing surgery and Botox for arm spasticity
This trial compares two treatments—Botox injections or surgery—for arm and hand spasticity after a stroke, brain injury, or spinal cord injury. It may help you decide which option works best for you.
MölndalAges 18 years+ - NCT06733129RecruitingPhase 3
Which sleeping medicine is best for emergency intubation?
This trial compares different sleeping medicines (ketamine, propofol, and similar drugs) to see which is safest for people who need a breathing tube placed quickly in the operating room. It focuses on those at risk of stomach contents going into the lungs.
AngersAges 18–80 - NCT06733246Recruiting
Ceretrieve Device for acute ischemic stroke treatment
This study tests a new device called Ceretrieve that is designed to remove blood clots from large arteries in the brain for people having a severe ischemic stroke. If you are eligible, you will receive the device treatment (a mechanical thrombectomy) within 24 hours of your first symptoms.
HeidelbergAges 18 years+ - NCT06733714Recruiting
Brain stimulation plus memory training for older adults
This study tests whether a gentle, non-invasive electrical current applied to the scalp (tACS) combined with computer-based brain exercises can improve memory and thinking in older adults who have concerns about their cognitive health.
Rio de Janeiro, Rio de JaneiroAges 50 years+
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 10,008 recruiting cardiology studies from the U.S. registry right now, out of 15,355 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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- Mental health
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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.