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
- NCT06442592Recruiting
Understanding development in kids with heart defects
This study looks at how children with complex congenital heart defects develop, especially their brain and learning skills. It will help doctors provide better support for these children.
Brest, Brittany RegionAges 3–11 - NCT06443008Recruiting
Biofeedback training for arm function after stroke
This study tests whether a special feedback device that detects muscle signals can help improve arm and hand movement after a stroke. It is designed for people aged 65 and older.
Yiwu, ZhejiangAges 65–80 - NCT06443151Recruiting
Blood Vessel Health After Spinal Cord Injury
This study looks at how blood vessel health is affected in people with long-term spinal cord injury (over 1 year). It tests whether blood vessel function plays a role in heart and circulatory risk.
Englewood, ColoradoAges 18–89 - NCT06443268Recruiting
Stroke and quality of life study with caregivers
This study looks at quality of life for people who have had a recent stroke or mini-stroke, and their caregivers. You and a close relative or friend both take part in interviews and surveys over time.
Zurich, Canton of ZurichAges 18 years+ - NCT06443645Recruiting
Protecting the heart during breast cancer treatment
This trial tests whether a diabetes medicine (SGLT2 inhibitor) can prevent heart damage caused by a common chemotherapy drug (anthracycline) in people with early-stage breast cancer. If you are newly diagnosed and about to start chemotherapy or have surgery, this study may be for you.
StrasbourgAges 18 years+ - NCT06443580Recruiting
A mind-body program for pulmonary hypertension
This trial tests a program that helps you notice and manage body signals (like breathlessness) to improve how you feel day-to-day. It is designed for people with any type of pulmonary hypertension.
Glasgow, ClydebankAges 18 years+ - NCT06444321Recruiting
Integrated care for frail patients with heart failure
This trial tests a special care program for people with both frailty (being weak or vulnerable) and heart failure (when the heart doesn't pump well). The program brings together different types of support to help you manage your health better after a hospital stay.
Drammen, AkershusAges 18 years+ - NCT06444308Recruiting
Managing high blood pressure with community health worker help
This study tests whether a community health worker can help people with high blood pressure manage it better. If you have high blood pressure or take medication for it, this program may provide extra support.
San Lucas TolimánAges 18 years+ - NCT06445231Recruiting
Heart ultrasound study for nursing home residents
This study uses a simple heart ultrasound (echocardiography) to check the heart health of nursing home residents. It may help doctors understand common heart changes in older adults and plan better care.
Nantes, Loire-AtlantiqueAges 65 years+ - NCT06445439Recruiting
Finding the Best Pacemaker Rate for Heart Failure
This study tests whether adjusting the pacing rate on a special pacemaker (CRT or conduction system pacing) can improve heart function and daily symptoms in people with atrial fibrillation and heart failure.
Washington D.C., District of ColumbiaAges 18–90 - NCT06445608Recruiting
Study of a heart pump for high-risk angioplasty
This trial tests a temporary heart pump (called the KARDION Cory P4) used during a high-risk angioplasty (stenting) procedure. The pump helps keep blood flowing in patients whose heart is weak or who have complex blockages, aiming to make the procedure safer.
Chandler, ArizonaAges 18–90 - NCT06446271Recruiting
Biomarkers in Scottish Cardiomyopathy Registry
This study looks for signs of heart muscle disease (cardiomyopathy) in people who have certain genetic changes. It aims to find better ways to monitor and treat the condition.
GlasgowAges 10 years+ - NCT06446531RecruitingPhase 1
Preventing diabetes progression in Hispanic adults
This trial tests if a medication can prevent or slow the progression from prediabetes to type 2 diabetes and reduce heart risk. It is for Hispanic adults who are overweight and have prediabetes.
San Antonio, TexasAges 18 years+ - NCT06446778Recruiting
Pipeline device for brain aneurysms
This trial tests a treatment called Pipeline Embolization (a thin tube placed in the artery) to fix brain aneurysms that haven't ruptured. It might help stop the aneurysm from growing or bursting.
Guangzhou, GuangdongAges 22–75 - NCT06446960RecruitingPhase 3
Nerve blocks for stroke-related central pain
This study tests whether numbing the nerves in your painful arm or leg (with a nerve block) can help reduce central pain after a stroke. It aims to find out how the nerves outside your brain and spinal cord may be involved.
Boulogne-BillancourtAges 18 years+ - NCT06448390Recruiting
Exercise study for leg pain from blocked arteries
This trial tests if a supervised exercise program can improve walking ability in people with leg pain caused by blocked arteries (claudication). You may qualify if you have calf pain after walking short distances that goes away with rest.
ÅlesundAges 18 years+ - NCT06449274Recruiting
Imaging study for heart artery blockages after stenting
This trial uses special imaging (OCT or IVUS) to look at other blockages in your heart arteries that weren't treated during your stent procedure. It helps doctors decide if those blockages might need treatment later.
Harbin, HeilongjiangAges 18–80 - NCT06449638Recruiting
Testing new wound treatments for hard-to-heal diabetic foot ulcers
This trial compares several advanced wound treatments (called CAMPs) plus standard care versus standard care alone for diabetic foot ulcers that are slow to heal. The goal is to see if adding these treatments helps ulcers close faster.
Omaha, NebraskaAges 18 years+ - NCT06450327Recruiting
Resistant Hypertension: A Complex Condition Study
This study looks at why some people with hard-to-control high blood pressure (resistant hypertension) may also have other health problems. It aims to better understand the condition and how to help patients like you.
Votuporanga, São PauloAges 18–85 - NCT06451003Recruiting
Preventing blood clots after cancer surgery: a program trial
This trial tests a program to help people who had cancer surgery get medicine to prevent dangerous blood clots. If you had belly or pelvic cancer surgery and are not on blood thinners, you may be able to join.
Charleston, South CarolinaAges 18 years+ - NCT06451146Recruiting
Orbital atherectomy for calcified heart blockages
This trial studies a procedure called orbital atherectomy to treat hardened calcium deposits in heart arteries. It aims to help people with moderately to severely calcified blockages.
Legnica, Lower Silesian VoivodeshipAges 18 years+ - NCT06451198RecruitingPhase 4
Indobufen vs aspirin after stent in older heart patients
This trial tests whether a blood thinner called indobufen works as well as aspirin for older people (65+) who have had a heart attack or unstable angina, received a drug-eluting stent, and are already taking two blood thinners. The goal is to find a safer or better option for long-term prevention.
Shanghai, Shanghai MunicipalityAges 65 years+ - NCT06451575Recruiting
Blood Clots and Behçet's Disease Study
This study looks at how Behçet's disease affects blood clotting. If you have Behçet's disease and are between 18–70, you may help doctors understand why some people with Behçet's develop dangerous blood clots.
Erzurum, Üniversite MahallesiAges 18–70 - NCT06451887Recruiting
Predicting brain swelling after stroke treatment
This study looks at how to predict dangerous brain swelling after endovascular treatment for large artery stroke. It uses CT scans to identify patients at risk, which could help doctors monitor and treat them more closely.
Hangzhou, ZhejiangAges 18–80
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
- 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.