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
- NCT06879379RecruitingPhase 2/Phase 3
KPD Consolidation After Stem Cell Transplant for Newly Diagnosed Myeloma
This trial tests a new way to treat multiple myeloma after a stem cell transplant. It uses a combination of drugs (KPD) to help keep the disease from coming back.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06530641RecruitingPhase 4
Comparing heart protection solutions during major heart surgery
This trial compares two types of cardioplegia (a solution that stops your heart during surgery) to see which one leads to better outcomes. It is for adults undergoing major heart surgery with a heart-lung machine.
Madrid, MadridAges 18 years+ - NCT06754371RecruitingPhase 4
Tranexamic acid to prevent heavy bleeding after C-section in autoimmune disease
This trial tests if a medicine called tranexamic acid can reduce the risk of heavy bleeding after a C-section for women who have certain autoimmune diseases. It aims to help prevent postpartum hemorrhage in this specific group.
Shanghai, Shanghai MunicipalityAges 18–50 - NCT06738758Recruiting
Early intensive cholesterol-lowering study for acute coronary syndrome
This study tests whether starting strong cholesterol-lowering treatment early in the hospital can improve outcomes for people with acute coronary syndrome (a serious heart condition like a heart attack or unstable angina). It may help if you have high LDL cholesterol.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06878885Recruiting
Heart health & trauma study for American Indian adults
This study looks at how trauma affects heart and metabolic health in American Indian adults living on or near the Blackfeet reservation.
Browning, MontanaAges 18–40 - NCT07295223RecruitingPhase 3
GLP-1 and SGLT2 drugs for heart attack recovery
This trial tests if combining GLP-1 and SGLT2 medications can reduce inflammation and improve heart function after a heart attack in people with type 2 diabetes and obesity. It looks for patients with a specific type of heart attack, elevated CRP levels, and preserved heart pumping ability.
León, GuanajuatoAges 18 years+ - NCT07291817Recruiting
Negative pressure treatment for diabetic foot ulcers
This trial tests a device that uses gentle suction (negative pressure) to help heal diabetic foot ulcers. It may help people with poor blood flow in their legs who have not healed with other treatments.
SingaporeAges 21–99 - NCT07290595RecruitingPhase 2/Phase 3
Comparing two medicines for faster nerve block in arm surgery
This study compares two medicines (dexmedetomidine and dexamethasone) added to a numbing drug (ropivacaine) for a nerve block in the collarbone area. The goal is to see which combination works faster and better for pain relief during upper limb surgery.
Sāhīwāl, Punjab ProvinceAges 18–70 - NCT07290504Recruiting
Tourniquet Release Methods for People with High Blood Pressure
This study tests two ways of releasing a tourniquet (a pressure cuff) after arm surgery to see which keeps blood pressure more stable in people with controlled high blood pressure. If you are having arm or hand surgery with a tourniquet, you may be able to join.
CairoAges 18–65 - NCT07288840Enrolling by invitation
Exercise plan for heart recovery monitored by heart rate
This study tests a special exercise program for people with heart disease or heart failure. The goal is to see if the exercises can help improve how your heart responds to activity and daily life.
Leiria, Leiria DistrictAges 18 years+ - NCT07288385Recruiting
Virtual reality and brain stimulation for arm recovery after stroke
This study tests if using virtual reality along with mild brain stimulation can help improve arm and hand movement in people who have had a stroke. It is for those who are at least three months past their stroke and have moderate arm weakness.
RiyadhAges 18 years+ - NCT07292909RecruitingPhase 4
Effect of Empagliflozin on Inflammation for Coronary Patients
This trial tests if the diabetes drug empagliflozin can help reduce inflammation in people with stable coronary artery disease who are planning to have a stent placed. It may offer a new way to protect heart health.
Beirut, BeirutAges 18 years+ - NCT07296952Recruiting
Improving transportation for diabetic retinopathy patients
This study tests a new way to help people with diabetic retinopathy get to their eye appointments. It aims to make transportation easier for patients who have Medicaid insurance.
Chicago, IllinoisAges 18 years+ - NCT07292272Recruiting
Slowing Aging in Blood Cancer Survivors
This study tests a program to help people who have survived a blood cancer stay healthier as they age. It involves exercise and check-ups to see if we can slow down some effects of aging.
Omaha, NebraskaAges 50 years+ - NCT07294118RecruitingPhase 2
Lidocaine and steroids for pain after brain bleed
This trial tests whether giving a numbing medicine (lidocaine) and steroids into the artery that covers the brain can help reduce pain after a brain bleed. It may be an option for people with a specific type of bleeding who have not had certain brain surgeries or procedures.
Galveston, TexasAges 18–100 - NCT07295613Enrolling by invitation
Registry of hypertrophic cardiomyopathy: regional features, genetics and course
This study is a registry that collects information about people with hypertrophic cardiomyopathy (a condition where the heart muscle is thickened) to better understand how it affects different people and to study its genetic causes. By joining, you help researchers learn more about this condition and how it progresses.
Moscow, Moscow RegAges Any age - NCT07295886Recruiting
Cream for Protruding Hemorrhoids
This trial tests a cream containing two medicines (nifedipine and lidocaine) for painful, protruding hemorrhoids. The cream may help reduce pain and swelling. You can join if you have moderate to severe hemorrhoids that come out of the anus and have already started the cream in the last five days.
NaplesAges 18–75 - NCT07292376Enrolling by invitation
Preventing blood clots in cancer outpatients
This trial is testing a program to help prevent blood clots in people with cancer who are starting a new type of cancer treatment, like chemotherapy or targeted therapy. The goal is to see if better prevention strategies can keep you safe during treatment.
Burlington, VermontAges 18 years+ - NCT07291024Recruiting
Vagus nerve stimulation and walking therapy for stroke recovery
This trial tests if pairing vagus nerve stimulation with walking exercises can help people who had a stroke more than six months ago improve their walking speed and mobility.
Rochester, MinnesotaAges 18 years+ - NCT07291258Recruiting
Long-term health study of children born to transplant mothers
This study follows children born to mothers who had a solid organ transplant (like kidney, liver, or heart) to learn about their long-term health. It may help doctors understand how to better care for these families.
Groningen, Provincie GroningenAges Any age - NCT07296965Recruiting
Oral bacteria in carotid artery plaque study
This study looks at the bacteria living in your mouth and whether they are linked to plaque buildup in the carotid artery (the main artery in your neck). If you are already scheduled for surgery to remove that plaque, the researchers will take samples from your mouth and the plaque to compare them.
BudapestAges 18 years+ - NCT07290309Recruiting
Remote exercise program for cancer survivors
This study tests a remote guided exercise program for cancer survivors to see if it helps with recovery and well-being. It is designed for people who have finished their main cancer treatments and are not already exercising a lot.
Fort Collins, ColoradoAges 18 years+ - NCT07296081Recruiting
PET scan study for heart scarring in heart failure
This study uses a special PET scan to look for scarring (fibrosis) in the heart muscle of people with heart failure. It may help doctors better understand why some hearts get stiff or weak.
Coimbra, Coimbra DistrictAges 18 years+ - NCT07295769Recruiting
Detecting hidden atrial fibrillation after stroke of unknown cause
This study uses a small patch (M.E.M.O. Patch) to continuously monitor your heart rhythm for hidden atrial fibrillation, a treatable cause of stroke. The goal is to see if the patch can find irregular heartbeats that standard tests might miss.
Seoul, Songpa-guAges 19 years+
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.
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.