Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 9,626 recruiting studies in this area right now.
By phase
- Not applicable7,647
- Phase 4471
- Phase 2470
- Phase 3439
- Phase 1350
- Phase 1/Phase 2161
- Phase 2/Phase 388
Top conditions
- Stroke798
- Heart Failure538
- Hypertension390
- Cardiovascular Diseases374
- Coronary Artery Disease361
- Multiple Myeloma328
- Atrial Fibrillation258
- Ischemic Stroke190
- Atrial Fibrillation (AF)154
- Acute Ischemic Stroke138
- Pulmonary Hypertension105
- Myocardial Infarction96
- Congenital Heart Disease83
- Peripheral Arterial Disease80
- Stroke, Ischemic77
- Aortic Valve Stenosis76
- Acute Coronary Syndrome74
- Obesity74
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 Medicine57
- Beijing Tiantan Hospital53
- Insel Gruppe AG, University Hospital Bern49
- Massachusetts General Hospital49
- Yonsei University48
- Johns Hopkins University45
Where studies are running
- California449
- Alabama195
- Arizona183
- Massachusetts174
- New York165
- Florida141
- Texas122
- Maryland119
- Minnesota118
- Illinois111
Recruiting studies9,626 total
- NCT06928649Recruiting
Studying cell damage in critically ill ICU patients
This trial looks at specific cell damage processes (called ferroptosis and pyroptosis) in very sick ICU patients. The goal is to learn more about these processes so doctors can better treat life-threatening organ failure caused by conditions like sepsis, trauma, or severe bleeding.
EdegemAges 18 years+ - NCT06927271Recruiting
Phone or video support to help with blood pressure medicine
This trial tests if regular phone calls or video chats can help people with high blood pressure take their medicine as prescribed. It aims to see if these check-ins improve blood pressure control.
Efiduase, KoforiduaAges 18–65 - NCT06928675Recruiting
Cell-free DNA in acute stroke
This study looks at how a substance called cell-free DNA in the blood changes in people with a large blood clot causing a stroke. It aims to improve understanding of this condition and might help with future treatments.
BaselAges 18 years+ - NCT07203625RecruitingPhase 4
Tenecteplase before transfer for basilar artery stroke
This trial tests if a clot-busting drug called Tenecteplase helps people with a severe type of stroke in the back of the brain (basilar artery occlusion) when given 4.5 to 24 hours after symptoms start. Patients will then be moved to a hospital that can remove the clot. The goal is to see if the drug improves recovery.
BeijingAges 18 years+ - NCT07208331Recruiting
Remote nurse care for heart health
This study tests a digital care program where nurses check on your heart health remotely, from your home. It aims to help lower your risk of heart problems by making regular monitoring easier.
Amsterdam, North HollandAges 18 years+ - NCT07204756Recruiting
Remote blood pressure monitoring after pregnancy
This trial tests how long new mothers should monitor their blood pressure at home after delivery to find the best approach for their health. It is for people who have already joined the HOPE-BP program and are not taking blood pressure medication two weeks after birth.
Minneapolis, MinnesotaAges 18 years+ - NCT07211529Recruiting
Nerve block during chest surgery to reduce complications
This trial tests whether a numbing injection near the spine (paravertebral block) given during keyhole chest surgery can lower the risk of problems after surgery. It might help patients recover more comfortably.
Wuhan, HubeiAges 18–80 - NCT07208097Recruiting
Brain bleed clot dissolving with tNK for stroke recovery
This trial tests a clot-busting drug called tenecteplase given directly into the brain bleed through a thin tube. It may help reduce damage and improve recovery for people with a certain type of brain hemorrhage.
Suzhou, AnhuiAges 18–80 - NCT07209410RecruitingPhase 4
Eye drops to reduce redness from glaucoma treatment
This trial tests if adding brimonidine eye drops can reduce eye redness caused by the glaucoma drops you are currently taking. It may help if you have been using netarsudil/latanoprost drops and have noticed redness.
Kansas City, MissouriAges 18–65 - NCT07205523Recruiting
High-altitude blood study for stem cell transplant patients
This study observes how blood and stem cell transplants work for patients with blood diseases at high altitude. It aims to learn more to help future patients.
Xining, QinghaiAges Any age - NCT07208019Recruiting
Electroacupuncture for memory and thinking after stroke
This study tests whether electroacupuncture (using tiny electric pulses through thin needles) can help improve memory, focus, and thinking after a stroke. If you have mild to moderate thinking problems after a stroke, this treatment may help support your recovery.
Hangzhou, ZhejiangAges 35–80 - NCT07210671Recruiting
Study on treating vein clots in cancer patients
This study looks at how to best treat blood clots in veins near the skin in people who also have active cancer. It will compare different treatment options to find what works best and is safest for you.
AmiensAges 18 years+ - NCT07207603Enrolling by invitation
Cardiovascular risk study in Milano-Bicocca area
This study looks at heart disease risk factors in people living near the University of Milano-Bicocca. It helps researchers understand how common these risks are in the local community.
MilanAges 25 years+ - NCT07205757RecruitingPhase 4
Lidocaine added to Custodiol for heart bypass surgery
This study tests whether adding lidocaine to the standard heart preservation solution (Custodiol) helps protect the heart during coronary artery bypass surgery. If you are scheduled for elective bypass surgery, this trial might be relevant to you.
Al Fayyum, Faiyum GovernorateAges 18 years+ - NCT07205393Recruiting
Heart rehab after valve replacement surgery
This trial tests a phase one cardiac rehabilitation program for people who have had their mitral or aortic heart valve replaced. It aims to see if the rehab helps recovery. You might qualify if you had planned (not emergency) valve surgery and are stable enough for light exercise.
QinaAges 40–55 - NCT07206212Recruiting
Lifestyle program for heart health in OCD
This study tests whether a lifestyle program—focused on increasing physical activity—can help reduce the risk of heart disease and diabetes in people with OCD. If you have OCD and are not very active, this program might offer extra health benefits.
Huddinge, Stockholm CountyAges 18 years+ - NCT07208669Recruiting
Treating high blood pressure in the hospital
This trial tests if treating high blood pressure in hospital patients can improve outcomes. If you are on a general medical unit and have very high blood pressure, this study may help understand the best approach.
Cleveland, OhioAges 18 years+ - NCT07205068Recruiting
Shockwave treatment for TAVR access site
This trial tests if using Shockwave IVL to break up calcium in the groin artery before a TAVR procedure can improve outcomes. It may help patients with significant calcium buildup at the access site.
Knoxville, TennesseeAges 18 years+ - NCT07208006Recruiting
Early cholesterol-lowering drug after heart attack
This trial tests whether giving a powerful cholesterol-lowering drug (PCSK9 inhibitor) very early after a heart attack can help prevent further heart problems. It is for people who have had a recent heart attack and have blockages in more than one heart artery.
Shanghai, Shanghai MunicipalityAges 18–100 - NCT07205263Recruiting
AI-guided minimally invasive surgery for brain bleeding
This trial tests a minimally invasive surgery guided by artificial intelligence to treat spontaneous brain bleeding. It aims to improve recovery by precisely removing the clot with less damage to healthy brain tissue.
Hangzhou, ZhejiangAges 18 years+ - NCT07209254Recruiting
Two smartphone plans to manage high blood pressure after childbirth
This study tests whether two different mobile-health tools can help new mothers keep their blood pressure under control in the first weeks after giving birth. It is designed for women who were diagnosed with a blood pressure condition during pregnancy and need medication after delivery.
New York, New YorkAges 18 years+ - NCT07211347RecruitingPhase 4
Nerve block for electrical storm
This trial tests whether injecting numbing medicine around neck nerves (stellate ganglion block) can calm dangerous heart rhythms called electrical storm. It's for people with heart disease whose abnormal rhythms keep happening despite usual medications.
São Paulo, São PauloAges 18 years+ - NCT07211282Recruiting
Activity tracking for late-stage cardiac rehab
This trial uses a smartphone app to monitor and guide your physical activity during the final phase of cardiac rehab. It aims to help you safely stay active and improve your recovery.
Edegem, AntwerpAges 18 years+ - NCT07209488Recruiting
Reading help after stroke
This study is for people who have trouble reading after a left-brain stroke. It tests a new way to help improve reading skills through practice and therapy.
Tallahassee, FloridaAges 18–85
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 9,626 recruiting cardiology studies from the U.S. registry right now, out of 14,734 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.