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
- NCT06856902Recruiting
A study on a behavioral program to improve healthcare
This study tests a behavioral program to help people stick with their healthcare plan. It aims to improve health and lower costs.
DüsseldorfAges Any age - NCT06856993Recruiting
Study of early risk signs after sudden death
This study looks at tiny particles in the blood (exosomes) to see if they can help predict how patients do after a sudden collapse. The goal is to better understand who might recover and how to improve their care.
Nanjing, JiangsuAges 18 years+ - NCT06857487RecruitingPhase 1/Phase 2
Testing an herb formula to prevent early stroke worsening
This study tests a traditional Chinese herb formula called Qingre Huatan to see if it can stop stroke symptoms from getting worse in the first few days. It is for people who have had an ischemic stroke within the last 48 hours and are at high risk for early decline.
Beijing, Beijing MunicipalityAges 18–80 - NCT06857539Recruiting
Assessing thinking and movement in high-risk infants
This study looks at how high-risk infants (especially those born early or with brain concerns) develop their thinking and movement skills over time, comparing them to healthy babies. The goal is to better understand and support their development.
CorkAges birth–4 months - NCT06857838Recruiting
Bypass surgery for symptomatic myocardial bridge
This trial tests whether bypass surgery is effective for people with a myocardial bridge (a heart muscle that arches over an artery) that still causes symptoms despite medication. It aims to see if surgery can improve symptoms and outcomes.
Xi'an, ShaanxiAges 18–80 - NCT06857916Recruiting
Cycle and Stroke With Biofeedback for Power Symmetry
This trial studies the effect of biofeedback on power symmetry during cycling in stroke patients with lower extremity hemiparesis.
Salt Lake City, UtahAges 18–70 - NCT06858332Recruiting
Lp(a) cholesterol in adults with heart and blood vessel disease in Russia
This study looks at levels of a type of cholesterol called Lp(a) in people with certain heart and blood vessel diseases. The goal is to understand how common high Lp(a) is in Russian adults with these conditions.
ChelyabinskAges 18–99 - NCT06859255Recruiting
Comparing heart valves for small aortic openings
This trial compares different types of heart valves (surgical and less-invasive) used in people with a small heart valve opening. It aims to see which valves work best, and will follow up with patients who already had the procedure.
Bari, ApuliaAges Any age - NCT06859359Recruiting
Better heart health after high blood pressure in pregnancy
This study tests a care bundle (a set of best practices) to improve heart health in women after pregnancy, focusing on those who had high blood pressure disorders in Nigeria. If you qualify, joining could help improve care for mothers like you.
AbujaAges Any age - NCT06859502Recruiting
National database for cerebrovascular disease research
This study creates a national database of people with cerebrovascular diseases (conditions affecting blood flow in the brain, like stroke or aneurysm). By joining, you help researchers better understand and improve care for these conditions.
Florence, FIAges Any age - NCT06860646Recruiting
Heart attack study for adults 75 and older
This trial is for older adults aged 75 and up who have had a heart attack. It aims to study the best care for elderly patients with this condition.
RyazanAges 75 years+ - NCT06860880Recruiting
Personalized program to fight cancer-related fatigue
This trial tests a personalized supportive care program that combines exercise, nutrition, and coaching to help reduce fatigue in people with certain slow-growing lymphomas. It aims to improve energy and quality of life.
Chapel Hill, North CarolinaAges 18 years+ - NCT06861062Recruiting
Vitamin D and yeast beta-glucan for type 2 diabetes
This trial tests if taking vitamin D3 and yeast beta-glucan supplements can help control blood sugar and lower heart disease risk in people with type 2 diabetes. It may be an option for those who want to see if supplements can improve their diabetes management.
Nanning, GuangxiAges 40–79 - NCT06861088RecruitingPhase 3
Kinisoquin for preventing blood clots in pancreatic cancer
This trial tests whether an investigational drug called Kinisoquin™ can help prevent blood clots in people with advanced pancreatic cancer who are starting their first chemotherapy. It may be a good option if you are looking for extra protection against clots during treatment.
Ventura, CaliforniaAges 18 years+ - NCT06861582Recruiting
Faster troponin test for chest pain in the ER
This study tests a faster way to measure a heart-muscle protein (troponin) in the emergency room, to see if it can help doctors decide sooner whether your chest pain is from a heart attack. If you are having chest pain that started a few hours ago, you may be able to join.
São PauloAges 18 years+ - NCT06861673Recruiting
Combined PVI and LAAC study
This study is testing if a procedure that combines two treatments—pulmonary vein isolation for atrial fibrillation and left atrial appendage closure to lower stroke risk—can be done safely together. It's for people who need both treatments.
Hamburg, Free and Hanseatic City of HamburgAges Any age - NCT06861998Recruiting
Sleep help before heart surgery for infants and toddlers
This trial tests if helping young children with sleep problems before heart surgery can reduce confusion or agitation after surgery. It is for children ages 0 to 3 who have sleep issues and are scheduled for heart repair surgery.
BeijingAges 1 day–3 years - NCT06862063Recruiting
Genetic study of spontaneous neck artery tears
This study looks at the genes of people who have had a spontaneous tear in a neck artery. It aims to find if there is an underlying genetic cause, which could help guide treatment for you and your family.
Rome, LazioAges 18 years+ - NCT06862557Recruiting
PEMF treatment for people with dementia
This study tests whether a pulsed electromagnetic field (PEMF) device can help people with mild to moderate Alzheimer's or related dementias. If you or a loved one has memory loss, this trial looks at a potential new way to support brain health without medication.
Boca Raton, FloridaAges 50–100 - NCT06862700Recruiting
Less vasopressors for heart shock on ECMO
This trial is studying whether using less of the medicines that raise blood pressure (vasopressors) can help people with severe heart failure who are on a heart-lung machine (ECMO) survive. It may answer if a gentler approach is safer.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06863350Recruiting
Closing a heart hole to treat drug-resistant epilepsy
This trial tests if closing a small hole in the heart (called a PFO) can reduce seizures in people whose epilepsy isn't controlled by medication. It might offer a new treatment option for those who have both drug-resistant epilepsy and this heart condition.
Chengdu, SichuanAges 18–60 - NCT06863480RecruitingPhase 1
Trial of tocilizumab for bleeding stroke to prevent later strokes
This trial tests if a drug called tocilizumab (TYENNE) can reduce the risk of delayed strokes after a bleeding stroke from a ruptured aneurysm. It is for adults who had a specific type of brain bleed and need a drain to remove fluid.
Gainesville, FloridaAges 18–89 - NCT06863545Recruiting
PCSK9 Inhibitors for High-Risk Coronary Plaques on CT
This study tests whether adding a PCSK9 inhibitor (a newer cholesterol-lowering shot) to standard treatment can reduce heart risks in people who have certain high-risk plaque features seen on a CT scan of their heart arteries.
Hangzhou, ZhejiangAges 18 years+ - NCT06863571RecruitingPhase 3
Early medication combo to reduce swelling after stroke
This trial tests a combination of medicines given early after a large ischemic stroke to reduce brain swelling. It may help people who have had a stroke in the middle cerebral artery within the last 3 days and have a large area of brain damage.
Hangzhou, ZhejiangAges 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
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- Genetic & congenital
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- Pain
- Injuries & trauma
- Mouth & dental
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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.