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
- NCT06591299RecruitingPhase 3
Aspirin plus cilostazol or clopidogrel for minor stroke or TIA
This trial is testing whether combining aspirin with either cilostazol or clopidogrel is more effective at preventing another stroke after a minor stroke or TIA. It is for people who had their first mild stroke or TIA and started a blood thinner within 24 hours.
Kafr ash ShaykhAges 18–75 - NCT06591260Recruiting
Heart biopsy and treatment for kids with heart inflammation
This study looks at using heart biopsies to find the cause of heart inflammation (myocarditis) in children and then tailoring treatment to that cause. It aims to improve care for children with or without irregular heartbeats.
Milan, MilanoAges birth–17 years - NCT06591338RecruitingPhase 3
Aspirin plus ticagrelor or clopidogrel for minor stroke
This trial tests whether adding aspirin to either ticagrelor or clopidogrel (two antiplatelet medicines) can help prevent another stroke in people who recently had a minor stroke or TIA affecting a large brain artery. It is for people who started antiplatelet treatment within 24 hours of their symptoms.
Kafr ash ShaykhAges 18–75 - NCT06591312RecruitingPhase 3
Aspirin plus another drug after minor stroke or TIA
This trial tests whether combining aspirin with a second antiplatelet drug (ticagrelor or clopidogrel) helps prevent another stroke after a mild stroke or TIA. It might lower your risk of having another event.
Kafr ash ShaykhAges 18–75 - NCT06591351RecruitingPhase 3
Aspirin plus cilostazol or clopidogrel for minor stroke or TIA
This trial tests whether adding cilostazol or clopidogrel to aspirin is safe and effective for people who recently had a mild stroke or a transient ischemic attack (TIA) caused by a large artery blockage. It aims to prevent another stroke during the first 90 days.
Kafr ash ShaykhAges 18–75 - NCT06591390RecruitingPhase 3
Aspirin plus another drug for minor stroke or TIA
This trial tests whether taking aspirin along with either ticagrelor or cilostazol helps prevent another stroke in people who have had a mild stroke or transient ischemic attack (mini-stroke). You must start treatment within 24 hours of your first symptoms.
Kafr ash ShaykhAges 18–75 - NCT06591377RecruitingPhase 3
Aspirin plus a second drug for minor stroke or TIA
This trial tests whether adding ticagrelor or cilostazol to aspirin is better than aspirin alone for preventing another stroke. It is for patients who recently had a minor stroke or a transient ischemic attack (TIA) caused by a blockage in a large artery.
CairoAges 18–75 - NCT06593223Recruiting
Noninvasive heart sound test for heart failure congestion
This trial tests a new, noninvasive device that uses low-frequency heart sounds to check for fluid buildup (congestion) in people with heart failure. It may help doctors monitor your condition without needles or surgery.
Shenzhen, GuangdongAges 18 years+ - NCT06593327Recruiting
Heart failure screening trial for diabetes patients
This trial helps primary care providers screen and prevent heart failure in people with Type 2 diabetes. It uses a simple blood test to find early signs of heart problems.
Dallas, TexasAges Any age - NCT06593184Recruiting
Magnetic stimulation for mobility after stroke
This trial tests a non-invasive treatment called trans-spinal magnetic stimulation to help improve walking and movement in people who have had a stroke. It is for those with trouble walking and are at least 6 months past their stroke.
João Pessoa, ParaíbaAges 18–75 - NCT06593314Recruiting
Using heart ultrasound to find and treat heart failure risk in diabetes
This trial tests a special software (Ultromics EchoGo) that looks at your heart ultrasound to find people with type 2 diabetes who are at high risk for heart failure. If you're at risk, the software helps your doctor decide on treatments to prevent heart failure.
Dallas, TexasAges Any age - NCT06593496Recruiting
Heart health study for mobile clinic patients
This study looks at how to improve heart and metabolic health in people with early signs of high blood pressure. Participants receive text messages and are followed over time through their medical records.
Detroit, MichiganAges 18 years+ - NCT06595147Recruiting
Exercise for heart health in breast cancer survivors
This study tests if a 12-week exercise program improves heart health in women over 60 who have finished treatment for early-stage breast cancer. You will be placed in either an aerobic exercise group or a stretching group to see which helps your heart more.
Edmonton, AlbertaAges 60 years+ - NCT06595355RecruitingPhase 2/Phase 3
Study of eye injections with or without curcumin for diabetic eye swelling
This trial tests whether adding oral curcumin (a natural supplement) to standard eye injections (bevacizumab) improves treatment for diabetic macular edema, a swelling in the back of the eye that can affect vision.
Isfahan, Isfahan University of Medical SciencesAges 40 years+ - NCT06595407Recruiting
Loss of Y Chromosome in Aortic Stenosis Study
This study looks at how losing the Y chromosome in blood cells may be linked to aortic stenosis, a narrowing of the heart's aortic valve. It aims to understand why this condition may be more severe in men.
Charlottesville, VirginiaAges 40 years+ - NCT06595784Recruiting
COPD and heart disease study
This study looks at people who have both COPD (a long-term lung condition) and a heart problem. The goal is to learn more about how these two conditions affect each other and to help doctors provide better care.
AlexandroupoliAges 35–99 - NCT06595992Recruiting
Observing moderate aortic valve disease over time
This study follows people with moderate aortic valve disease to learn how their condition changes. It does not test a new treatment but will help doctors better understand the disease.
Hangzhou, ZhejiangAges 18 years+ - NCT06596265Recruiting
Fit2Lead Study: Community park programs for teen health
This study looks at how community park programs can help improve health among teens. It uses data from teenagers who were already part of a larger program called Fit2Lead in Miami-Dade County.
Miami, FloridaAges 12–17 - NCT06596369RecruitingPhase 2/Phase 3
Spinal cord stimulation for arm function after injury or stroke
This trial tests whether a mild electrical stimulation applied to the skin over your spine can improve arm and hand function after a spinal cord injury or stroke. It is for people with some preserved movement in their upper body.
Edmonton, AlbertaAges 18–75 - NCT06596460Recruiting
Imaging study after TAVI valve replacement
This study collects extra imaging data from 40 people who are already scheduled for a routine TAVI procedure to replace a narrowed aortic heart valve. The goal is to better understand the valve's structure and function using scans.
London, EnglandAges 18 years+ - NCT06596551Recruiting
Coaching for well-being after first stroke
This study explores a personalized coaching program to help you and your main caregiver improve your overall well-being after your first stroke. You will work with a coach to set goals for your recovery and learn mind-body skills that can boost your health and happiness.
SingaporeAges 21 years+ - NCT06596902Recruiting
Physical activity program for Latino families near the U.S.-Mexico border
This trial tests a program to help Latino families become more active and fit. It takes place at community centers near the border and includes both parents and children.
San Diego, CaliforniaAges 6 years+ - NCT06597019RecruitingPhase 3
Study of inclisiran for children with high cholesterol
This trial tests a medicine called inclisiran to lower high cholesterol in children ages 6 to 12 with a genetic condition called heterozygous familial hypercholesterolemia (HeFH). It may help children who still have high cholesterol despite taking other treatments.
San Francisco, CaliforniaAges 6–11 - NCT06597331Recruiting
Heart function study for COPD flare-ups
This study looks at how a COPD flare-up might affect the heart in people who haven't had a heart attack or known heart muscle damage before. It uses a simple heart ultrasound to check for stress-related changes.
Gothenburg, Region Västra GötalandAges 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
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- Digestive system
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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.