Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 10,049 recruiting studies in this area right now.
By phase
- Not applicable8,023
- Phase 2486
- Phase 4480
- Phase 3451
- Phase 1361
- Phase 1/Phase 2161
- Phase 2/Phase 387
Top conditions
- Stroke854
- Heart Failure568
- Hypertension401
- Cardiovascular Diseases390
- Coronary Artery Disease372
- Multiple Myeloma330
- Atrial Fibrillation272
- Ischemic Stroke199
- Atrial Fibrillation (AF)145
- Acute Ischemic Stroke141
- Pulmonary Hypertension103
- Myocardial Infarction99
- Congenital Heart Disease86
- Peripheral Arterial Disease85
- Stroke, Ischemic84
- Acute Coronary Syndrome82
- Obesity80
- Aortic Valve Stenosis79
Leading sponsors
- Mayo Clinic95
- Assistance Publique - Hôpitaux de Paris92
- National Taiwan University Hospital74
- China National Center for Cardiovascular Diseases59
- Beijing Tiantan Hospital53
- Massachusetts General Hospital51
- Riphah International University51
- Second Affiliated Hospital, School of Medicine, Zhejiang University51
- Insel Gruppe AG, University Hospital Bern50
- Johns Hopkins University47
Where studies are running
- California468
- Alabama199
- Massachusetts182
- Arizona176
- New York165
- Florida145
- Maryland120
- Minnesota120
- Illinois119
- Texas119
Recruiting studies10,046 total
- NCT07189897RecruitingPhase 4
Apixaban vs. Enoxaparin for Blood Clot Prevention After Head and Neck Cancer Surgery
This study compares two blood-thinning medicines (apixaban pills vs. enoxaparin injections) to see which works better at preventing blood clots after head and neck cancer surgery. It may help you avoid dangerous clots without increasing bleeding risk.
Syracuse, New YorkAges 18–89 - NCT07191730Recruiting
Heart risk prediction for cancer patients on certain chemotherapies
This trial uses a special scoring system (ML Score) to predict if you might develop heart problems while receiving anthracycline chemotherapy or HER2-targeted therapies. It helps doctors decide on the best heart monitoring plan before starting treatment.
CaenAges 18 years+ - NCT07191899RecruitingPhase 1
KN060 for treating high blood pressure
This trial tests a new medication called KN060 for people with high blood pressure (essential hypertension). It is for those who are not on medication or are on a stable single medication, and whose blood pressure is moderately high but not extremely high.
Shanghai, Shanghai MunicipalityAges 18–65 - NCT07192029Recruiting
Balloon catheter for stroke clot removal in the carotid artery
This trial tests whether using a special balloon-guided catheter during clot removal (mechanical thrombectomy) improves outcomes for people with a severe stroke caused by a blockage in the internal carotid artery. The study aims to see if this tool helps remove the clot more safely and effectively.
Fuzhou, FujianAges 18 years+ - NCT07192211RecruitingPhase 2
Study of ADR-002K for Heart Failure Patients Having Bypass Surgery
This study tests an experimental drug (ADR-002K) for people with heart failure caused by blocked arteries who are about to have bypass surgery. The goal is to see if it helps the heart recover better after surgery.
Osaka, SuitaAges 18–80 - NCT07192341Recruiting
Heart failure drug for people with artificial heart valves
This trial tests a drug called sacubitril/valsartan to see if it helps people who have both a prosthetic heart valve and heart failure with a weak heart pump. The goal is to improve heart function and symptoms.
Kafr ash Shaykh, KafrelsheikhAges 18 years+ - NCT07192783Recruiting
Lavender inhalation for anxiety, sleep, and blood pressure
This study tests whether inhaling lavender aroma can help lower anxiety, improve sleep, and reduce blood pressure in people with high blood pressure. It is a simple, non-drug approach that you can try at home.
Ardahan, ArdahanAges Any age - NCT07192952RecruitingPhase 3
Long-term safety of finerenone in children and young adults with heart failure
This study tests the long-term safety of the drug finerenone when taken alongside standard heart failure treatments in children and young adults with weakened heart pumping function (left ventricular systolic dysfunction). It includes both children already in a related study and new infants under 6 months old.
Aurora, ColoradoAges Up to 18 years - NCT07192965Recruiting
Heart scan without ECG for chest pain with high troponin
This trial tests if a coronary CT scan (without needing an ECG) can safely guide care for people who come to the emergency room with chest pain and a high troponin level. It aims to see if this approach works as well as standard tests.
JetteAges 30 years+ - NCT07193693Recruiting
Study on why doctors don't use heart imaging during stent placement
This study looks at reasons doctors may or may not use a special camera inside the heart arteries (called OCT or IVUS) during a procedure to open blocked arteries. It may help understand how to improve care for people with complex blockages.
BergamoAges 18 years+ - NCT07193719RecruitingPhase 1/Phase 2
Personalized breathing support for kids after heart surgery
This study tests a personalized breathing technique to improve lung function and heart performance in children who have had heart surgery or are on ECMO. The goal is to find the best way to open up the lungs safely.
BerlinAges birth–18 years - NCT07193888Recruiting
Navitor valve study for aortic stenosis
This study is testing the Navitor valve, a device to replace a narrowed aortic heart valve without open-heart surgery. It will track how well the valve works in people who are already good candidates for this procedure.
FukuokaAges 18–100 - NCT07194733Recruiting
Food as medicine for veterans with kidney disease
This trial tests whether providing healthy food can improve the health of veterans with moderate to severe chronic kidney disease (stages 3b and 4) who are not getting enough nutritious food. If you are a VA patient in the Food Bank of the Rockies area, this study may help you manage your kidney disease.
Aurora, ColoradoAges 18 years+ - NCT07195903Recruiting
Stand-up study for dizziness when standing
This study tests a new approach to help people who feel dizzy or faint when standing up, especially if standard treatments haven't worked. It aims to improve daily life and reduce risks from low blood pressure.
Roslyn, New YorkAges 18 years+ - NCT07196020Recruiting
Predicting blood clots during chemotherapy for certain cancers
This study looks at whether doctors can predict blood clots in people with certain cancers who are receiving chemotherapy. If you have ovarian, lung, stomach, or pancreatic cancer and are starting chemotherapy, you may be able to join and help improve clot prevention.
Cork, IrelandAges 18 years+ - NCT07196176Recruiting
Heart rhythm test registry at University Hospital Düsseldorf
This registry collects information from people who have had or are scheduled to have a heart rhythm test or a procedure to restore a normal heartbeat at University Hospital Düsseldorf. It helps doctors understand more about heart rhythm problems and treatments over time.
DüsseldorfAges 18 years+ - NCT07196397Recruiting
Polish Registry of Heart Nerve Procedures
This registry tracks people who have had or plan to have a procedure that changes the nerves controlling heart rate, such as cardioneuroablation. It aims to better understand and treat conditions like inappropriate tachycardia, POTS, and fainting spells.
RzeszówAges 18 years+ - NCT07196930Recruiting
Valvular heart disease in women registry
This study is a registry that collects data on women with valvular heart disease (heart valve problems). It aims to better understand how these conditions affect women and improve their care. You may join if you have a heart valve condition and are treated at a participating center.
AswānAges 18 years+ - NCT07197736Recruiting
Improving heart ultrasound use at Columbia
This study involves cardiologists who read heart ultrasounds in Columbia's echo lab. It aims to improve how these tests are used to help patients.
New York, New YorkAges 18 years+ - NCT07197918Recruiting
Finding brain injury with a portable MRI after cardiac arrest
This study uses a portable MRI machine to look for brain injury in people who remain unconscious after their heartbeat is restored (ROSC) from a cardiac arrest. If you are having a standard MRI and being treated with temperature control, you may be eligible.
New Haven, ConnecticutAges 18 years+ - NCT07197996Recruiting
Stroke recovery trial testing an electrical nerve device
This trial is testing a small nerve stimulator device worn on the leg to see if it helps people recover walking ability after a stroke. It is for patients who cannot stand or walk on their own soon after a stroke caused by a blood clot.
Chester, CheshireAges 18 years+ - NCT07198061Recruiting
Cold Plasma for Diabetic Foot Ulcers After Leg Artery Treatment
This study tests whether adding cold atmospheric plasma treatment to standard care helps heal foot ulcers in people with diabetes who have recently had a procedure to open blocked leg arteries. The goal is to see if this approach is safe and more effective than current care alone.
Anshan, LiaoningAges 18–80 - NCT07198529Recruiting
Short blood thinners after stenting for stable angina
This trial is testing a way to shorten the time you need to take blood thinners after getting a specific type of heart stent. It uses a special camera (OCT) inside the artery to help decide if stents are placed well enough to allow less time on dual antiplatelet therapy.
Seoul, Gurodong-ro, Guro-guAges 19 years+ - NCT07199088Recruiting
Comparing two medicines for fluid buildup in heart failure
This study tests whether adding acetazolamide or metolazone to standard treatment helps remove extra fluid better in people hospitalized for heart failure. It aims to find a safer and more effective option for managing fluid overload.
Chak Four Hundred Fifty-four, Punjab ProvinceAges 18 years+
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 10,049 recruiting cardiology studies from the U.S. registry right now, out of 15,440 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.