Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 10,008 recruiting studies in this area right now.
By phase
- Not applicable7,984
- Phase 2484
- Phase 4481
- Phase 3449
- Phase 1360
- Phase 1/Phase 2163
- Phase 2/Phase 387
Top conditions
- Stroke846
- Heart Failure563
- Hypertension400
- Cardiovascular Diseases389
- Coronary Artery Disease371
- Multiple Myeloma331
- Atrial Fibrillation271
- Ischemic Stroke200
- Atrial Fibrillation (AF)143
- Acute Ischemic Stroke141
- Pulmonary Hypertension101
- Myocardial Infarction99
- Congenital Heart Disease86
- Stroke, Ischemic84
- 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 Hospital53
- 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
- California467
- Alabama197
- Massachusetts182
- Arizona174
- New York163
- Florida143
- Minnesota121
- Maryland120
- Illinois119
- Texas118
Recruiting studies10,005 total
- NCT06694012Recruiting
Ohtori Study Part 2 heart health
This study looks at heart and metabolic health in the general population. It helps researchers understand how to prevent conditions like diabetes and heart disease.
Sakai, OsakaAges 20 years+ - NCT06694727RecruitingPhase 3
Nutritional supplements for heart failure
This trial tests whether nutritional supplements can improve outcomes for people with heart failure. It aims to find an easy-to-follow, practical way to help manage the condition.
HellerupAges 18 years+ - NCT06695221Recruiting
Kefir trial for better health in Edmonton adults
This study tests if drinking kefir, a fermented dairy drink, can improve health in adults who are overweight or have high blood sugar or type 2 diabetes. It looks at how kefir might help with weight, blood sugar, and overall wellness.
Edmonton, AlbertaAges 24–70 - NCT06695247Recruiting
Walking recovery after serious lung blood clot
This study follows people who had a serious blood clot in their lungs that also affected their heart's right side. It tests how their ability to walk and move changes over 6 months, helping doctors understand recovery better.
Rochester, MinnesotaAges 18–80 - NCT06696027Recruiting
Loss of Y chromosome in autoimmune and lung disease
This study looks at how the loss of the Y chromosome in blood cells may be linked to autoimmune and lung diseases in older men. By joining, you help researchers understand this connection better.
Bonn, North Rhine-WestphaliaAges 50 years+ - NCT06696079Recruiting
Early vs later blood thinner restart after brain bleed surgery in atrial fibrillation
This trial compares restarting a blood thinner early (within a few days) versus later (after about a week) in people who have a chronic subdural hematoma drained and also have atrial fibrillation. The goal is to find out which timing helps prevent both new bleeding and blood clots.
Oulu, North OstrobothniaAges 18 years+ - NCT06696170Recruiting
New catheter for atrial fibrillation using nanosecond pulses
This trial tests a new catheter that uses very short electrical pulses to treat atrial fibrillation (a type of irregular heartbeat). It may help people whose AF symptoms continue despite medication.
HasseltAges 18–75 - NCT06696235RecruitingPhase 4
Comparing fast vs standard kidney therapy for heart shock patients on ECMO
This trial tests whether starting kidney replacement therapy faster or at the usual time improves outcomes for people with severe heart failure (cardiogenic shock) who are on a heart-lung machine (ECMO) and develop sudden kidney injury.
SeoulAges 19 years+ - NCT06696469Recruiting
Virtual reality for arm recovery after stroke
This trial tests if a virtual reality system called BeCure can help people who had a stroke recover arm movement. It's for people who are still in the early to later stages of recovery (not the very first days) and have some movement and sitting balance.
AnkaraAges 18–80 - NCT06696703Recruiting
Human urinary kallidinogenase for acute ischemic stroke
This trial tests whether a medicine called human urinary kallidinogenase can reduce inflammation after a stroke. It may help people who have had a first or recent stroke and have certain levels of disability.
Harbin, HeilongjiangAges 18 years+ - NCT06697093Recruiting
Polish registry for cardiogenic shock patients
This trial is a registry that collects information on diagnosis, treatment, and outcomes for people with cardiogenic shock (when the heart can't pump enough blood to the body). It may help doctors learn more about this condition and how to treat it better.
Wroclaw, Lower Silesian VoivodeshipAges 18 years+ - NCT06697314Recruiting
Clot removal for acute pulmonary embolism with heart strain
This study tests a new device (AlphaVac) that removes blood clots from the lungs using a thin tube inserted through a vein. It may be an option for people with acute pulmonary embolism who have signs of heart strain or low blood pressure.
PoznanAges 18 years+ - NCT06697483Recruiting
Personalized maintenance therapy for multiple myeloma after stem cell transplant
This trial tests a personalized approach to maintenance therapy for people with multiple myeloma who have already had a stem cell transplant. Your treatment plan may be adjusted based on how well your cancer responds and on certain risk factors, with the goal of keeping you in remission longer.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06697925Recruiting
Venous leg ulcer closure durability study
This trial checks how long the closure of a venous leg ulcer lasts after healing. It is only for people who already took part in an earlier study (THOR trial) and had their ulcer fully close within 12 weeks.
Monroeville, PennsylvaniaAges 18 years+ - NCT06698159Recruiting
Wider pulmonary vein isolation in AFib ablation with single-shot cryoablation
This study tests a new approach to a common procedure for atrial fibrillation (AFib) called pulmonary vein isolation. It uses a single-shot cryoablation technique to treat people with paroxysmal or persistent AFib.
Pozzilli, IserniaAges 18 years+ - NCT06698341Recruiting
Studying heart attacks in young adults to understand new genes
This trial looks for new genetic causes of heart attacks in young adults. If you had a heart attack at a young age and are of Chinese, Malay, or Indian descent, this study may help find answers.
SingaporeAges 21–60 - NCT06698380Recruiting
Mirror therapy for arm recovery after stroke
This trial tests whether using a mirror to create the illusion of movement can help improve arm function in people who had a stroke more than six months ago. It may be a good option if you have limited arm movement and can follow simple instructions.
Riyadh, Riyadh RegionAges 45–65 - NCT06698536Recruiting
Testing a cuffless blood pressure monitor
This study tests a new wrist-worn device that measures blood pressure without a cuff. You'll wear the device and have your blood pressure taken with a standard cuff to see how well the new method works.
LausanneAges 21–85 - NCT06698614Recruiting
Magnetic resonance imaging to study kidney disease
This study uses a special MRI scan to look at the kidneys in people with different kinds of kidney disease, including acute kidney injury, chronic kidney disease, vasculitis, and after a kidney transplant. The goal is to better understand these conditions.
EdinburghAges 18 years+ - NCT06698887Recruiting
Long-term safety study of idecabtagene vicleucel for multiple myeloma in Korea
This study follows up on Korean adults with multiple myeloma who received the CAR T-cell therapy idecabtagene vicleucel (also called Ide-cel) in a previous trial (KarMMa-9) and did not have an optimal response after a stem cell transplant. The goal is to monitor long-term safety.
Hwasun, JeonranamdoAges 18 years+ - NCT06699056Recruiting
AI heart monitor study for ejection fraction
This study uses an AI-powered wearable monitor to check how well your heart pumps blood (ejection fraction) from a simple EKG recording. It may help doctors quickly assess heart function without extra tests.
Orange, CaliforniaAges 18 years+ - NCT06699342Recruiting
Pacing and heart ablation for atrial fibrillation
This trial tests a combination of heart pacing and a specialized ablation procedure in older adults with permanent atrial fibrillation that hasn't improved with other treatments. It aims to improve symptoms and reduce hospital stays related to heart failure.
Seoul, Jongno-guAges 65 years+ - NCT06699381Recruiting
Stroke rehab: spine, balance, and energy study
This study looks at how stroke affects your spine, posture, balance, walking, and energy use. Researchers want to help design better rehab programs for recovery.
KirikkaleAges 18–75 - NCT06699420RecruitingPhase 4
Qishenyiqi pill for small vessel heart disease
This trial tests if a Chinese herbal pill called Qishenyiqi can help people with chest pain caused by tiny heart blood vessels that are too tight. It may be an option if standard tests show your heart vessels are mostly clear but your blood flow is reduced.
Jinan, ShandongAges 40–75
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 10,008 recruiting cardiology studies from the U.S. registry right now, out of 15,355 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
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- 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.