Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 9,613 recruiting studies in this area right now.
By phase
- Not applicable7,634
- Phase 2471
- Phase 4471
- Phase 3438
- Phase 1350
- Phase 1/Phase 2161
- Phase 2/Phase 388
Top conditions
- Stroke796
- Heart Failure535
- Hypertension389
- Cardiovascular Diseases374
- Coronary Artery Disease362
- Multiple Myeloma328
- Atrial Fibrillation259
- Ischemic Stroke190
- Atrial Fibrillation (AF)154
- Acute Ischemic Stroke139
- Pulmonary Hypertension104
- Myocardial Infarction96
- Congenital Heart Disease83
- Peripheral Arterial Disease80
- Stroke, Ischemic77
- Aortic Valve Stenosis76
- Obesity74
- Acute Coronary Syndrome73
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 Medicine58
- Beijing Tiantan Hospital53
- Insel Gruppe AG, University Hospital Bern49
- Massachusetts General Hospital49
- Yonsei University48
- Johns Hopkins University45
Where studies are running
- California449
- Alabama195
- Arizona182
- Massachusetts174
- New York166
- Florida141
- Texas122
- Maryland118
- Minnesota118
- Illinois111
Recruiting studies9,613 total
- NCT07588230Recruiting
Nerve Block for Minimally Invasive Heart Valve Surgery Pain
This study tests a targeted nerve block (pain-numbing injection) to help manage pain after minimally invasive heart valve surgery. Researchers want to see if this technique reduces pain and the need for opioid medications during recovery.
Diyarbakır, Outside of the USAges 18–75 - NCT07594041Recruiting
Videos for heart care education in children
This study tests whether short educational videos help caregivers of children with heart conditions understand their child's diagnosis and care plan better than standard spoken information alone.
San Antonio, TexasAges Up to 18 years - NCT07587294Recruiting
Ultrasound Treatment to Prevent Heart Rhythm Problems After Heart Attack
This trial tests whether a special ultrasound procedure on the side of your neck can help prevent dangerous irregular heartbeats in patients who recently had a heart attack treated with a stent. The goal is to see if this treatment is safe and effective.
Huangshi, HubeiAges 18–80 - NCT07588997Recruiting
Brain Training After Aneurysm Bleeding to Improve Thinking and Movement
This study tests whether combining thinking exercises with physical movements can help people recover better after a brain aneurysm ruptures and bleeds. You'd start the training early in your recovery (2-7 days after treatment) to see if it helps your memory, attention, and ability to move.
TaipeiAges 18 years+ - NCT07591272Recruiting
Dance therapy to help people recover from stroke
This study tests whether adaptive dance activities can help people in early stroke recovery regain movement and function. You would participate in dance-based exercises during your hospital stay as part of your stroke care.
Hong KongAges 18–80 - NCT07591987Recruiting
Breathing Techniques to Reduce Shortness of Breath After Heart Surgery
This study tests whether special breathing exercises can help reduce shortness of breath and improve heart and lung function in patients recovering from open-heart surgery. You would learn and practice these breathing techniques before and after your surgery.
Baghdad, Baghdad GovernorateAges 18–75 - NCT07587437Enrolling by invitation
Magnetic Camera Exam Before Weight-Loss Surgery
This study tests a swallowable magnetic camera to examine your stomach and small intestine before bariatric (weight-loss) surgery. The camera may help doctors plan your surgery and catch any issues beforehand.
Cleveland, OhioAges 18 years+ - NCT07588295Recruiting
How immune cells respond in heart and leg blood vessel disease
This study examines how immune cells (macrophages) behave differently in patients with blocked arteries in the heart or legs. Understanding this may help doctors develop better treatments for these conditions.
Cotignola, RavennaAges 18 years+ - NCT07594808Enrolling by invitationPhase 2
Stress Management App for African American Men with High Blood Pressure
This study tests a mobile stress-management app to help African American men lower their blood pressure. If you have high blood pressure and a smartphone, you may be able to take part from home.
Washington D.C., District of ColumbiaAges 18 years+ - NCT07594301RecruitingPhase 2/Phase 3
Minocycline after successful stroke clot removal in the back brain
This study tests whether an antibiotic called minocycline can reduce brain damage after doctors successfully remove a blood clot from the back of the brain (posterior circulation stroke) using a catheter procedure. The drug may help protect brain tissue and improve recovery.
Wuhan, HubeiAges 18 years+ - NCT07591337Recruiting
Study of Aging Blood Vessels and a Protein Called SNRK
This research study examines how blood vessels age over time and how a protein called SNRK may be involved in that process. Researchers want to understand vascular aging (how blood vessels become less flexible as we get older) to potentially help prevent heart and stroke problems.
Tianjin, Tianjin MunicipalityAges 18 years+ - NCT07592962Recruiting
Long-term Health Study of Lishui City Residents
This study follows healthy adults in Lishui City over time to understand how people stay healthy and live longer. Researchers will collect health information and track your wellbeing to identify factors that contribute to a long, healthy life.
Lishui, ZhejiangAges 30–80 - NCT07590635Recruiting
Heart Recovery Program Using Online Health Tools
This study tests a new heart rehabilitation program that combines online tools with personalized support for people who've had heart procedures. It aims to help you recover safely and manage your heart health from home.
BergenAges 18 years+ - NCT07588503RecruitingPhase 1
FES Cycling With Blood Flow Restriction for Spinal Cord Injury
This study tests a new exercise method combining electrical stimulation (FES) and controlled blood flow restriction while you cycle. It's designed to improve heart health, blood sugar control, and fitness in people with spinal cord injuries.
Toronto, OntarioAges 18–75 - NCT07588256Recruiting
AI Digital Health Platform for High Blood Pressure and Related Conditions
This study uses artificial intelligence and a digital health app to help manage high blood pressure, high cholesterol, diabetes, kidney disease, and heart disease. It aims to help people track their health at home and receive better care recommendations through technology.
New Taipei CityAges Any age - NCT06233682Recruiting
Enriched environment for stroke recovery
This study tests whether an enriched environment in a hospital ward can help people recover after a stroke. It looks at whether adding more activities and social interaction to your daily routine can improve your recovery.
PadovaAges 18 years+ - NCT06207383Recruiting
Comparing heart treatments for atrial fibrillation and heart failure
This study compares two treatments for people with atrial fibrillation and heart failure: one is a procedure to fix the irregular heartbeat (AF ablation), and the other involves a different type of pacing for the heart. It aims to find which approach helps you feel better and stay out of the hospital.
GrazAges 60 years+ - NCT06516562Recruiting
Heart failure study in Vietnam: following patients' health over time
This study follows people with heart failure in Vietnam to understand their health and treatment over time. It does not test a new drug—just collects information to improve care.
Ho Chi Minh CityAges 18 years+ - NCT06473272Recruiting
Ultrasound to study neck artery plaques and predict risk
This study uses different ultrasound techniques to look at plaques in the neck artery and predict future heart or stroke events. It may help doctors understand which plaques are more dangerous.
Shanghai, Shanghai MunicipalityAges 40–100 - NCT06645691RecruitingPhase 2
Heart and metabolic imaging study using a special MRI scan
This study tests a new MRI method that uses a safe, natural substance (pyruvate) to take detailed pictures of the heart and metabolism. It may help doctors better understand heart disease, diabetes, and related conditions.
SingaporeAges 21–99 - NCT06719830Recruiting
Finding the exact spot of a heart extra wire
This study looks at a new way to figure out exactly where a tiny extra electrical wire in your heart (called a septal accessory pathway) is located, to help guide the procedure that fixes it. It might help make the treatment more precise and safe.
Asyut, Asyut GovernorateAges Any age - NCT04466852Recruiting
Telemedicine program after hospital discharge for heart failure
This trial checks whether follow-up by telemedicine after a hospital stay for heart failure can help patients after discharge. It may help you stay connected to care without frequent in-person visits.
Rio de JaneiroAges 18 years+ - NCT03160131Recruiting
Rehab program to improve vision after brain injury
This study looks at rehabilitation to improve vision after a brain injury. It may help people with significant vision problems regain everyday visual function.
Copenhagen, HellerupAges 14 years+ - NCT05620186Recruiting
Training program for endovascular simulation skills
This is a study that tests a step-by-step training approach for surgical trainees using a simulator. It may help improve how trainees build knowledge and technical skills before working on real procedures.
GhentAges 18 years+
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 9,613 recruiting cardiology studies from the U.S. registry right now, out of 14,690 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.