Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 9,976 recruiting studies in this area right now.
By phase
- Not applicable7,959
- Phase 2483
- Phase 4479
- Phase 3447
- Phase 1361
- Phase 1/Phase 2161
- Phase 2/Phase 386
Top conditions
- Stroke841
- Heart Failure567
- Hypertension401
- Cardiovascular Diseases390
- Coronary Artery Disease372
- Multiple Myeloma334
- Atrial Fibrillation268
- Ischemic Stroke201
- Atrial Fibrillation (AF)140
- Acute Ischemic Stroke137
- Myocardial Infarction102
- Pulmonary Hypertension100
- Congenital Heart Disease85
- Stroke, Ischemic85
- Peripheral Arterial Disease83
- Acute Coronary Syndrome82
- Obesity80
- Aortic Valve Stenosis79
Leading sponsors
- Mayo Clinic94
- 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
- California460
- Alabama197
- Massachusetts183
- Arizona174
- New York161
- Florida145
- Maryland120
- Illinois119
- Minnesota119
- Texas118
Recruiting studies9,973 total
- NCT03532399Recruiting
Bivalirudin dosing study for children having heart procedures
This study looks at how the blood-thinner bivalirudin moves through the body in children during certain heart procedures. It may help doctors choose safer, more accurate dosing for pediatric anticoagulation.
Boston, MassachusettsAges Up to 17 years - NCT07751783Recruiting
Exercise program for cancer survivors
This trial helps people who have finished cancer treatment start a supervised exercise routine to improve their health. It tests whether a structured program with professional guidance is safe and helpful.
Kaohsiung, TaiwanAges 18–80 - NCT07753681Recruiting
Chronic disease care in Zambia
This study helps improve care for people with long-term illnesses like diabetes or high blood pressure in Zambia. It aims to make sure you get regular check-ups and support.
Lusaka, Lusaka ProvinceAges Any age - NCT05632380RecruitingPhase 1/Phase 2
Stem cell transplant with CAR-T therapy for high-risk myeloma
This study combines a stem cell transplant with a special immune therapy (CAR-T) to treat multiple myeloma that is very aggressive and has not responded well to initial treatments. The goal is to see if this combination can better control the cancer.
Tianjin, Tianjin MunicipalityAges 18–70 - NCT07316270Recruiting
Catheter ablation for atrial fibrillation after brain bleeding
This trial studies a procedure called catheter ablation to treat atrial fibrillation (an irregular heartbeat) in people who have had a brain hemorrhage. The procedure aims to reduce stroke risk and improve heart rhythm without increasing bleeding risk.
Hefei, AnhuiAges 18 years+ - NCT07752732Recruiting
Heart scans for amyloidosis in people with severe aortic valve stenosis
This study looks at how often cardiac amyloidosis occurs in people with severe aortic valve stenosis. It uses different heart scans to find out more. If you have both conditions, this research may help doctors understand your situation better.
TübingenAges 18 years+ - NCT07751445Recruiting
Weight training for blood pressure control
This study tests whether exercising one arm or leg at a time versus both together can lower blood pressure better in people with hypertension. It may help you manage your blood pressure through a safe, supervised workout program.
TunceliAges 40–75 - NCT06476795Recruiting
Grape pomace from chardonnay for heart and gut health in postmenopausal women
This study tests if consuming a powder made from chardonnay grape pomace (the leftover skins and seeds from winemaking) can improve gut and heart health in postmenopausal women. You may be a good fit if you are between 45-70, have gone through menopause, and have higher levels of blood fats called triglycerides.
Davis, CaliforniaAges 45–70 - NCT07704918Recruiting
Study: Lowering cholesterol during melanoma immunotherapy
This study tests whether giving aggressive cholesterol-lowering medication to people starting immunotherapy for melanoma can improve heart health. It may help reduce the risk of heart problems during cancer treatment.
Aurora, ColoradoAges 55 years+ - NCT04216927RecruitingPhase 3
Neonates on heart-lung bypass get NO to prevent kidney injury
This Phase 3 study tests whether not giving nitric oxide during heart-lung bypass in newborns helps reduce the risk of acute kidney injury. It focuses on newborns having heart surgery for congenital heart disease.
Cincinnati, OhioAges 1 day–1 month - NCT05724433Recruiting
Virtual care after heart failure hospitalization
This trial tests whether a home, virtual-care program after a recent heart failure hospital visit can improve recovery and outcomes. You may be invited if you recently left the hospital for heart failure and meet specific heart and lab test thresholds.
Hamilton, OnatrioAges 18 years+ - NCT07061145Recruiting
TKI treatment and erectile dysfunction in men with CML
This study looks at whether tyrosine kinase inhibitors (TKIs), a common treatment for chronic myeloid leukemia (CML), are linked to erectile dysfunction in men. It aims to help patients and doctors understand possible side effects.
Reggio Emilia, REAges 18–75 - NCT07393282RecruitingPhase 3
Comparing two treatments for high-risk smoldering multiple myeloma
This trial tests a new drug called linvoseltamab against an existing treatment, daratumumab, for people with a high-risk form of smoldering multiple myeloma. The goal is to see which one works better to delay or prevent the disease from becoming active multiple myeloma.
Atlanta, GeorgiaAges 18 years+ - NCT05554835Recruiting
Mitochondrial disease registry and history study
This study collects information about people who have a suspected or confirmed mitochondrial disease. It aims to better understand how the disease looks over time, which can help future treatments.
InnsbruckAges Any age - NCT06980480RecruitingPhase 3
Gammagard to prevent infections in multiple myeloma
This study tests if adding Gammagard (a type of antibody therapy) to your multiple myeloma treatment with Tecvayli can help prevent serious infections. You may qualify if you recently started Tecvayli and are still responding to it.
Mobile, AlabamaAges 18 years+ - NCT07135895Recruiting
Artix device for recent leg artery blockages
This study tests a device called Artix to remove blood clots from arteries in the leg that occurred within the last two weeks. It may help restore blood flow and avoid amputation.
San Francisco, CaliforniaAges 18 years+ - NCT07286578Recruiting
Using heart CT scans to guide treatment for blocked arteries
This trial is testing whether a special heart CT scan (coronary CT angiography) can help doctors better understand and treat calcium buildup in your heart arteries. If you have a type of heart disease that might need a stent or other procedure, this study could help decide the best approach.
Boston, MassachusettsAges 18–85 - NCT07381803RecruitingPhase 3
Fexofenadine for heart attack recovery
This trial tests if the allergy medicine fexofenadine can improve recovery after a heart attack. You may qualify if you had a specific type of heart attack (STEMI) within the last week.
Hangzhou, ZhejiangAges 18 years+ - NCT07749820Recruiting
Clot removal device for leg vein blood clots
This study tests a device that removes blood clots from the deep veins of your leg. It's designed to help people with recent or slightly older clots in the thigh or pelvic area, aiming to reduce symptoms and prevent complications.
ShanghaiAges 18 years+ - NCT04040452RecruitingPhase 4
Continuous versus intermittent ketorolac for kids’ heart surgery pain
This study compares two ways of giving ketorolac (a pain medicine) to young children after heart surgery—continuous drip versus doses at set times. It aims to find which approach controls pain better with fewer side effects.
Phoenix, ArizonaAges 3 months–4.9 years - NCT07409454RecruitingPhase 2
Post-transplant treatment for multiple myeloma with a bispecific antibody
This trial tests a drug that helps your immune system target and kill myeloma cells after a stem cell transplant. It is for people with newly diagnosed multiple myeloma who still have minimal residual disease (small amounts of cancer) after their first transplant.
TianjinAges 18 years+ - NCT07086131Recruiting
Inspiratory muscle training and cardiac rehab for heart failure
This study tests if adding inspiratory muscle training (exercises for breathing muscles) to standard cardiac rehab helps people with heart failure exercise better. It aims to improve how you feel and function.
Rochester, MinnesotaAges 18 years+ - NCT06776549Recruiting
Cooling or normal temperature after cardiac arrest with ECMO
This trial tests if cooling the body (hypothermia) or keeping normal body temperature (normothermia) after emergency heart-lung support (ECMO) improves survival in adults who had a cardiac arrest outside the hospital.
Kurume, FukuokaAges 18–75 - NCT07491952Recruiting
Continuous Dual Aspiration for Stroke With Zoom System
This trial tests a new way to remove blood clots from the brain using the Zoom System with a continuous double-suction technique (CDAT). It aims to see how well this approach works for people having a stroke caused by a large vessel blockage.
Huntsville, AlabamaAges 18 years+
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 9,976 recruiting cardiology studies from the U.S. registry right now, out of 15,179 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.