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
- NCT07497308Recruiting
GDF-15 levels and early outcomes after LVAD surgery
This trial looks at a blood marker called GDF-15 in people getting a heart pump (LVAD) to see if it can help predict early recovery or complications. It may help doctors better understand how patients will do after surgery.
Antalya, Please Select:Ages 18 years+ - NCT07497464Recruiting
Handedness test for stroke recovery
This trial tests if a simple, free task can recognize handedness in people who have had a stroke. It aims to help tailor rehabilitation after a stroke.
Madrid, MadridAges 18 years+ - NCT07495774Recruiting
Pediatric pulmonary hypertension registry study
This study collects information from children with pulmonary hypertension (high blood pressure in the lungs) to better understand the condition and improve care. If your child has been diagnosed with PH, joining this registry will help doctors track their health over time.
Guangzhou, GuangdongAges Up to 18 years - NCT07491237Recruiting
Heart rhythm and function study
This study looks at how heart rhythm problems affect heart function. It may help doctors better understand and treat these conditions.
RomaAges 18 years+ - NCT07494643Recruiting
Fluid response in children on low-tidal-volume ventilation
This study checks if giving fluids helps children on a ventilator with circulation problems. Doctors will use ultrasound to see how the heart responds to a small fluid boost.
AmiensAges birth–15 years - NCT07490054RecruitingPhase 1
Fecal transplant for chronic heart failure
This trial tests whether transferring healthy gut bacteria (fecal microbiota transplant) can help people with chronic heart failure feel better and improve their heart function.
New York, New YorkAges 18 years+ - NCT07495410Recruiting
Exercise program for people with Fabry disease
This study tests a structured exercise program designed to improve fitness in people with Fabry disease. It aims to see whether regular exercise is a safe and helpful way to support your health.
PragueAges 18 years+ - NCT07491315Recruiting
Do ME/CFS patients react differently to exercise?
This study looks at whether people with ME/CFS have a different reaction to exercise compared to people with heart conditions who also feel tired. It involves filling out online questionnaires and may help doctors better understand ME/CFS.
MarseilleAges 18 years+ - NCT07491718Recruiting
MRI with manganese for takotsubo cardiomyopathy
This study uses a special MRI with a contrast agent called manganese to look at how the heart works in people with takotsubo cardiomyopathy (broken heart syndrome). It may help doctors understand why this condition happens and how to treat it better.
EdinburghAges 18 years+ - NCT07497165Recruiting
Epunamin plus DECP for returning or resistant multiple myeloma
This trial tests a combination of the study drug Epunamin with four chemotherapy drugs (dexamethasone, cisplatin, etoposide, and cyclophosphamide) for people whose multiple myeloma has come back or stopped responding to earlier treatments.
Taiyuan, ShanxiAges 18–75 - NCT07492979Recruiting
Pacemaker placement study for heart failure
This trial compares two types of pacemaker placement to improve heart function in people with heart failure. One method paces the heart's natural conduction system, while the other paces the lower chambers of the heart. The goal is to find which approach works better for heart resynchronization therapy.
AarhusAges 18–99 - NCT07495241Recruiting
How common is a carotid web in young people?
This study checks how often a small flap of tissue (called a carotid web) appears in the neck arteries of young people. It uses a simple ultrasound to look for this condition, which may help doctors understand stroke risk in younger adults.
Ostrava, Moravian-Silesian RegionAges 15–25 - NCT07494890Recruiting
Walking test study for stroke survivors with slow walking
This study looks at how we measure the effort of walking in people who have had a stroke and still walk slowly. It may help understand your walking and guide better treatments.
Cincinnati, OhioAges 30–80 - NCT07493096Recruiting
Intensive therapy program for children with brain-based conditions
This trial tests an intensive therapy program designed to help children with brain-based conditions like cerebral palsy or autism improve their skills in movement, thinking, and daily activities. The program runs for 2 weeks with daily sessions, and researchers will check for changes in your child's abilities.
The Woodlands, TexasAges 4–12 - NCT07491913Recruiting
Stopping biologic therapy for Takayasu arteritis in stable patients
This study looks at whether it is safe for people with Takayasu arteritis to stop taking their biologic medication (like TNF inhibitors or tocilizumab) if they have been in remission—meaning their disease has been quiet—for a long time. You might join this trial if your condition has been stable for years and you haven't needed steroids lately.
IstanbulAges 18 years+ - NCT07493603RecruitingPhase 1/Phase 2
Herbal medicine study for chest pain after stent placement
This trial tests a traditional Chinese herbal formula, Yiyang Huoluo Decoction, for people who still have chest discomfort after getting a stent for coronary heart disease. It aims to see if the herbal treatment can improve symptoms.
Huzhou, ZhejiangAges 50–75 - NCT07498231Recruiting
Small heart vessel study for chest pain
This study looks at the tiny blood vessels in your heart (the microcirculation) that can cause chest pain even when the main arteries are open. It aims to better understand and treat this type of chest pain, called chronic coronary syndrome.
BialystokAges 18–75 - NCT07497633Enrolling by invitation
SCAD study at Mayo Clinic
This study is for people who have a scheduled appointment at Mayo Clinic for SCAD (a tear in a heart artery). It looks at how SCAD affects people over time, and why it happens.
Rochester, MinnesotaAges 18–99 - NCT07498517RecruitingPhase 2
Single dose of gruticibart to prevent blood clot complications
This trial tests if a single dose of a drug called gruticibart can help prevent blood clots caused by a central line (a special IV tube) inserted for cancer treatment. It may be an option for adults starting therapy that requires this type of IV access.
Portland, OregonAges 18 years+ - NCT07497932Recruiting
Nutritional effects in heart surgery
This trial looks at whether adding a probiotic supplement before cardiovascular surgery can improve recovery. It studies the link between nutrition, gut health, and surgical outcomes.
New Taipei CityAges 50–80 - NCT07492498Recruiting
Village doctor telehealth to prevent heart failure in af
This study tests whether regular support from village doctors using telehealth (remote check-ins) can help prevent heart failure in people with atrial fibrillation, a common heart rhythm problem. The goal is to catch early signs and keep your heart healthier.
Yancheng, DongtaiAges 65–80 - NCT07492524Recruiting
Village doctor telehealth program for heart failure with atrial fibrillation
This trial tests a program where village doctors use telehealth to support patients who have both atrial fibrillation (an irregular heartbeat) and heart failure (when the heart doesn't pump well). It aims to improve their health and quality of life.
Yancheng, DongtaiAges 65–80 - NCT07497360Recruiting
Telehealth vs. in-person sit-stand test for PAD patients
This study compares doing a 30-second sit-stand test at home via video call versus in a clinic. The goal is to see if remote testing works as well as in-person for people with peripheral artery disease (PAD). This could help you avoid extra trips to the clinic.
Izmir, BalçovaAges 18–65 - NCT07497867Recruiting
Long-term study of Korean CADASIL patients
This study follows people with CADASIL over time to learn more about the condition. It may help researchers understand how CADASIL progresses and improve care for patients.
Jeju City, Jeju-doAges 19 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.
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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.