Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 9,626 recruiting studies in this area right now.
By phase
- Not applicable7,647
- Phase 4471
- Phase 2470
- Phase 3439
- Phase 1350
- Phase 1/Phase 2161
- Phase 2/Phase 388
Top conditions
- Stroke798
- Heart Failure538
- Hypertension390
- Cardiovascular Diseases374
- Coronary Artery Disease361
- Multiple Myeloma328
- Atrial Fibrillation258
- Ischemic Stroke190
- Atrial Fibrillation (AF)154
- Acute Ischemic Stroke138
- Pulmonary Hypertension105
- Myocardial Infarction96
- Congenital Heart Disease83
- Peripheral Arterial Disease80
- Stroke, Ischemic77
- Aortic Valve Stenosis76
- Acute Coronary Syndrome74
- Obesity74
Leading sponsors
- Mayo Clinic93
- Assistance Publique - Hôpitaux de Paris88
- National Taiwan University Hospital67
- China National Center for Cardiovascular Diseases60
- Second Affiliated Hospital, Zhejiang University, School of Medicine57
- Beijing Tiantan Hospital53
- Insel Gruppe AG, University Hospital Bern49
- Massachusetts General Hospital49
- Yonsei University48
- Johns Hopkins University45
Where studies are running
- California449
- Alabama195
- Arizona183
- Massachusetts174
- New York165
- Florida141
- Texas122
- Maryland119
- Minnesota118
- Illinois111
Recruiting studies9,626 total
- NCT06914570Recruiting
Heart device effect on tricuspid valve and right heart
This study looks at how a new pacemaker or defibrillator (CIED) might affect the tricuspid valve and the right side of the heart. It aims to understand these changes over time.
Milan, MIAges 18 years+ - NCT05406635Recruiting
Imaging vs blood tests to guide heart-safe HER2 treatment
This trial compares whether special heart imaging or blood tests better helps monitor heart safety while you receive HER2-targeted therapy (like trastuzumab, with or without pertuzumab) plus chemotherapy. It may help doctors catch early heart stress and choose the safest treatment plan for you.
AalborgAges 18–90 - NCT05852704RecruitingPhase 3
Dapagliflozin to prevent irregular heart rhythm after bypass surgery
This trial looks at whether dapagliflozin (a diabetes medicine that helps the kidneys and heart) can lower the chance of atrial fibrillation, an irregular heart rhythm, after coronary artery bypass (CABG) surgery. If you’re scheduled for planned bypass surgery, this study may help reduce post-operative rhythm problems.
BrnoAges 18 years+ - NCT05206838Recruiting
Treating gluteus medius tendon weakness after hip replacement
This trial looks at treating a specific hip muscle-tendon problem (gluteus medius insufficiency) after total hip replacement. It may help people who have had ongoing limping despite surgery by using an Achilles tendon–based approach.
MölndalAges 40–80 - NCT05583773RecruitingPhase 4
Herbal medicine for heart failure with lower pumping strength
This trial tests SHengXIaN-QuYu decoction (an herbal treatment) in people with symptomatic heart failure and reduced pumping function. It looks to see whether the herbal formula is safe and helpful for heart failure symptoms and heart function.
Beijing, Beijing MunicipalityAges 18 years+ - NCT05846880RecruitingEarly Phase 1
Vitamin D3 supplement for people with multiple myeloma
This early-phase study tests whether taking a Vitamin D3 supplement can be safe and helpful for people with symptomatic multiple myeloma. It may help researchers understand how Vitamin D affects the disease and how patients tolerate treatment.
Augusta, GeorgiaAges 18 years+ - NCT07214324Recruiting
Predicting blood cancer progression with genetic analysis
This study uses advanced genetic testing to see if they can predict how monoclonal gammopathies (early blood conditions that may turn into cancer) will change over time. It may help doctors understand your risk better.
BolognaAges 18 years+ - NCT05566002Recruiting
AI review of test results for pulmonary hypertension
This trial uses an artificial intelligence tool to look at results from tests used to evaluate pulmonary hypertension. It may help doctors make sense of your past test results, especially heart and lung evaluation results.
Beijing, Beijing MunicipalityAges 18 years+ - NCT05904301Recruiting
Registry for autoimmune and autoinflammatory disease patients
This study builds a nationwide list (registry) of people with certain autoimmune or inflammation-related illnesses. It helps researchers understand these diseases better over time, which can guide future care.
YerevanAges Any age - NCT06145893RecruitingPhase 3
Hemay005 for Behçet's disease mouth sores
This study tests a new pill called Hemay005 for adults with Behçet's disease who have at least two mouth sores that need treatment beyond creams or rinses. It aims to see if the drug safely reduces mouth ulcers.
Beijing, Beijing MunicipalityAges 18–75 - NCT06246760Recruiting
Exercise and fitness in healthy adults
This study looks at how breathing, body composition, and heart-lung fitness vary between people who exercise regularly and those who don't. You may qualify if you are generally healthy and can do a treadmill or bike test until you are too tired to continue.
Madrid, Comunity of MadridAges Any age - NCT06397833Recruiting
Monitoring heart pressure after heart failure hospitalization
This study is testing a new wearable device (Acorai ICPM) that measures pressure inside your heart. The goal is to see if it can help predict how well you will do after being discharged from the hospital for heart failure.
Uxbridge, MiddlesexAges 18 years+ - NCT07215715Recruiting
Heart ultrasound study for older adults with heart failure
This study uses a special ultrasound to measure heart stiffness in people 60 and older who have heart failure with preserved or mildly reduced pumping function, with or without a condition called ATTR amyloidosis (a protein buildup in the heart). It also includes healthy controls.
Boston, MassachusettsAges 60 years+ - NCT07220538RecruitingPhase 4
Ginkgo biloba for memory problems after a mild stroke
This trial tests whether adding ginkgo biloba extract tablets to standard stroke care helps improve memory and thinking in people who had a mild stroke. You may join if you are 55 or older, had a mild stroke in the last 1 to 2 weeks, and now have some cognitive difficulties.
AnyangAges 55 years+ - NCT07217392Recruiting
Study on pacing the left bundle branch area of the heart
This study tests a new way to place a pacemaker lead in the left bundle branch area of the heart. It may help people who need a pacemaker to see if this approach is safe and works well.
Rio de Janeiro, Rio de JaneiroAges 18 years+ - NCT07215923RecruitingPhase 1
Study of ATI-1013 in healthy smokers who want to quit
This trial tests a new drug called ATI-1013 in healthy smokers. It aims to see how safe the drug is and how it works in the body. If you smoke at least 10 cigarettes a day and are in good health, you might be able to join.
Overland Park, KansasAges 23–59 - NCT07217067RecruitingPhase 2
Study of PKN605 for people with atrial fibrillation
This trial tests a new medicine called PKN605 for people with atrial fibrillation (irregular heartbeat). The goal is to see if it can safely help control heart rhythm. You will need to have had at least two AF episodes recently and meet other heart health criteria.
Tupelo, MississippiAges 18 years+ - NCT07219758Recruiting
Recana device study for leg vein blockages
This trial tests a new device called the Recana Thrombectomy Catheter to clear blockages in the large veins of the legs or pelvis. It might help people with chronic leg swelling, pain, or open sores caused by poor blood flow out of the leg.
LondonAges 18 years+ - NCT07213778RecruitingPhase 3
Comparing a new drug to aspirin for blood clot prevention after knee replacement
This trial tests a new medicine called REGN7508 against aspirin to prevent blood clots after total knee replacement surgery. It may help if you are having a planned knee replacement and are in good health.
La Mesa, CaliforniaAges 18 years+ - NCT07219693Recruiting
QuantaFlo HD Blood Flow Study
This study tests a device called QuantaFlo HD that measures blood flow in your legs and arms. It may help detect circulation problems in people with heart disease, diabetes, or high blood pressure.
Tucson, ArizonaAges 22 years+ - NCT07219511RecruitingPhase 1
Safety study of VS-041 for heart failure with preserved pumping strength
This trial tests an investigational drug called VS-041 to see if it's safe and helps people with a type of heart failure where the heart pumps well but doesn't relax properly (HFpEF). It may be an option if you are 50 or older and have stable heart failure symptoms.
Little Rock, ArkansasAges 50 years+ - NCT07216573Recruiting
The continuity study: blood pressure monitoring during surgery
This trial tests a device that monitors blood pressure continuously during surgery using a finger cuff, instead of the standard arm cuff that gives readings every few minutes. You may be able to join if you are having surgery and are at higher risk of complications during anesthesia.
Rochester, New YorkAges 18 years+ - NCT07218627RecruitingPhase 1
Study of an investigational medicine for heart failure
This study tests an experimental medicine called NNC0537-1482 for people with heart failure. It aims to see if the medicine helps improve symptoms and heart function.
LondonAges 40–75 - NCT07218887RecruitingPhase 1/Phase 2
Gene therapy for BAG3-related heart failure
This study tests an experimental gene therapy called ALXN2350 for people with dilated cardiomyopathy caused by a specific genetic change in the BAG3 gene. It aims to see if the therapy can improve heart function and slow disease progression.
Birmingham, AlabamaAges 18–70
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 9,626 recruiting cardiology studies from the U.S. registry right now, out of 14,734 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.