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
- NCT07489612Enrolling by invitationPhase 2
Testing QLS1410 for people with hard-to-control high blood pressure
This trial is testing an experimental drug, QLS1410, to see if it can lower blood pressure in people whose blood pressure is still high even after taking two or more medications.
JinanAges 18 years+ - NCT07487363RecruitingPhase 1/Phase 2
TB-500 for heart health in stable artery disease
This study tests if TB-500 can improve blood markers of cardiovascular health in people with stable artery disease. It is an early-phase trial to see if the drug is safe and shows promise.
Shenzhen, GuangdongAges 40–75 - NCT04956185Recruiting
Collecting hospital data from people with stroke
This study collects information from people admitted to the stroke care team or neurology during their hospital stay. It may help improve stroke care by understanding patient conditions and hospital experiences.
Ghent, FlandersAges Any age - NCT07483502Recruiting
Pre-surgery gut health supplement study for heart patients
This trial tests whether taking a gut health supplement (WellBiome) for six weeks before heart surgery can improve recovery and save the NHS money. It compares the supplement to a placebo (a pill with no active medicine).
Hull, East Riding Of YorkshireAges 50–80 - 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+ - NCT07484009Recruiting
ReDS-guided fluid removal for heart failure patients
This trial tests if using a wearable monitor (ReDS) to guide fluid removal helps people hospitalized for heart failure. The goal is to find the right amount of fluid to remove so patients feel better and stay out of the hospital.
Madrid, MadridAges 18 years+ - NCT07485647RecruitingPhase 2
Finding the best dose of daratumumab for multiple myeloma patients after transplant
This trial tests different dosing schedules of daratumumab to find a more cost-effective option for patients with multiple myeloma who have already had a stem cell transplant and achieved at least a partial response. It aims to see if a lower dose can work just as well.
Nashville, TennesseeAges 18–70 - NCT07486791Recruiting
Baduanjin exercise for heart health after heart attack
This study tests whether a gentle exercise called 'Lying-Sitting-Standing' Baduanjin can improve heart and lung function and quality of life in people who have had a heart attack and also have heart failure.
Taiyuan, ShanxiAges Up to 85 years - NCT07487961Recruiting
Checking abdominal aorta size in women
This study measures the diameter of the abdominal aorta in women aged 50 and older using an ultrasound. It aims to understand normal sizes and identify any enlargements that may need monitoring.
MilanAges 50 years+ - NCT07480915Recruiting
Heart failure risk after bypass surgery
This study looks at how to predict major heart problems in people with heart failure who are scheduled for bypass surgery (CABG). It aims to improve risk assessment before the procedure.
Tomsk, Tomsk OblastAges Any age - NCT07489352Enrolling by invitation
Heart failure medication adjustment study
This study tests a personalized approach to safely increase the dose of your heart failure medication (beta-blocker). It aims to improve your symptoms and overall heart function by tailoring the dose to your specific needs.
New York, New YorkAges 50 years+ - NCT07489547RecruitingPhase 2/Phase 3
Can stable heart failure patients stop some medications?
This trial is testing whether people whose heart failure has improved (with better pumping strength) can safely stop taking some of their heart medications. It is for stable patients who have had significant improvement in their heart function from a low point.
Porto Alegre, Rio Grande do SulAges 18 years+ - NCT07485738Recruiting
Blood flow during bypass surgery and graft recovery
This study looks at how blood flow readings during coronary artery bypass surgery relate to whether the new grafts stay open and how well patients recover. It aims to help improve long-term results for people needing bypass surgery.
New York, New YorkAges 18 years+ - NCT07482137Recruiting
Electroacupuncture for diabetic foot wounds
This trial tests whether electroacupuncture at a specific point (ST-36) can help heal diabetic foot ulcers. It may be an option for people with diabetic foot sores that have not healed well.
Nanjing, JiangsuAges 18–75 - NCT07489417Recruiting
Sleep and blood pressure study
This study looks at how a short night of sleep affects your blood pressure when you are under stress. It compares people with a healthy weight to those with obesity to see if sleep loss has different effects.
Columbia, MissouriAges 18–45 - NCT07489105Recruiting
Yoga for better thinking with heart failure
This trial tests if a yoga program can help improve memory and thinking in people with heart failure. It's designed for adults 55 and older who are not already doing yoga and are able to take part in gentle physical activity.
Auburn, AlabamaAges 55 years+ - NCT07482579Recruiting
Stroke Recovery Prediction Using a Digital Twin
This study uses digital twin technology to predict how well people will recover after a stroke. It looks at your walking ability and other factors to create a personalized recovery plan.
Gyeonggi-do, Gyeonggi-doAges 20 years+ - NCT07488052Recruiting
Home ECG test to check heart health
This trial tests whether a simple home electrocardiogram (ECG) can be used to check your heart function. It may help find people who have a weak heart pump without needing a full heart ultrasound right away.
TaipeiAges 20–90 - NCT07485088Recruiting
Video to reduce anxiety before heart stent procedure
This trial tests if watching a video before a planned heart stent procedure can lower anxiety. If you are scheduled for this procedure and speak English, you may be eligible.
SingaporeAges 21 years+ - NCT07484477Recruiting
Sitting less to improve heart and lung function after heart surgery
This study tests whether helping people sit less and move more after heart surgery can improve their breathing, heart function, and quality of life. If you're between 50 and 80 and have had heart surgery, this may help you recover better.
Peshawar, KPKAges 50–80 - NCT07481851Recruiting
Can skin sensor predict blood pressure drop during spinal anesthesia?
This study tests whether a simple skin sensor can predict a dangerous drop in blood pressure during spinal anesthesia for older adults having urologic cancer surgery. If it works, doctors could take steps to prevent dizziness or fainting.
Ankara, YenimahalleAges 65 years+ - NCT07483177RecruitingPhase 1/Phase 2
Heart study for enlarged aorta
This trial tests a treatment to help people with a mildly enlarged ascending aorta. It aims to slow down growth and prevent future heart problems.
Rochester, MinnesotaAges 18 years+ - NCT07486271Recruiting
AI in Aortic Regurgitation trial
This trial uses artificial intelligence to help measure aortic regurgitation, a heart valve problem. It aims to improve how doctors assess and treat this condition.
Hong Kong, New TerritoriesAges 18 years+ - NCT07481578Recruiting
Exercise and gut health study for active men
This study looks at how your training load affects your gut bacteria and how that relates to exercise performance and muscle health. It may help understand overreaching in healthy men.
Leuven, Vlaams BrabantAges 18–45
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.
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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.