Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 9,981 recruiting studies in this area right now.
By phase
- Not applicable7,957
- Phase 2482
- Phase 4481
- Phase 3449
- Phase 1361
- Phase 1/Phase 2164
- Phase 2/Phase 387
Top conditions
- Stroke841
- Heart Failure566
- Hypertension400
- Cardiovascular Diseases389
- Coronary Artery Disease370
- Multiple Myeloma332
- Atrial Fibrillation267
- Ischemic Stroke201
- Atrial Fibrillation (AF)141
- Acute Ischemic Stroke138
- Myocardial Infarction100
- Pulmonary Hypertension100
- Congenital Heart Disease86
- Stroke, Ischemic85
- Peripheral Arterial Disease83
- Acute Coronary Syndrome82
- Obesity80
- Aortic Valve Stenosis79
Leading sponsors
- Mayo Clinic94
- Assistance Publique - Hôpitaux de Paris91
- National Taiwan University Hospital74
- China National Center for Cardiovascular Diseases59
- Beijing Tiantan Hospital52
- 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
- California466
- Alabama197
- Massachusetts182
- Arizona173
- New York162
- Florida144
- Maryland120
- Minnesota120
- Illinois118
- Texas117
Recruiting studies9,978 total
- NCT06828939Recruiting
Balloon treatment for atrial fibrillation
This trial tests a new balloon device that uses gentle energy pulses to treat atrial fibrillation (AF), a type of irregular heartbeat. It may help people whose AF has not improved with medication.
Prague, Czech RepublicAges 18–75 - NCT07740915Enrolling by invitation
Pain relief after heart surgery in children
This study compares two types of pain blocks for children having heart surgery for the first time. The goal is to see which block provides better pain relief after surgery, which could help your child recover more comfortably.
Diyarbakır, DiyarbakırAges birth–18 years - NCT06571149RecruitingPhase 4
Blood thinners and clot-busting drugs for stroke
This trial tests whether giving a clot-dissolving medicine (alteplase or tenecteplase) is safe and effective for people who have had a stroke and are taking a blood thinner (DOAC) like apixaban or rivaroxaban. It aims to see if this treatment can still be given within a few hours of the stroke.
EisenstadtAges 18 years+ - NCT06678841Recruiting
Pacing therapy for heart failure with preserved pumping ability
This study tests a new pacing approach for people with a specific type of heart failure (HFpEF) to see if it can improve symptoms and quality of life. It involves a pacemaker-like device that adjusts heart rate based on your needs.
Phoenix, ArizonaAges 40 years+ - NCT07562178Recruiting
Pemafibrate to prevent stroke from brain artery narrowing
This trial tests whether a medication called pemafibrate can help prevent future strokes in people who have had a recent stroke or TIA (mini-stroke) caused by a narrowed artery inside the brain. The medication works by lowering triglycerides (a type of fat in the blood).
Toyoake, Aichi-kenAges 18 years+ - NCT07585097Recruiting
Long-term Safety Study of Odevixibat for Alagille Syndrome
This study follows patients with Alagille syndrome who are taking odevixibat to see how safe the medicine is over time. Alagille syndrome is a rare liver disease that affects bile flow, and odevixibat is a treatment that may help reduce itching and improve liver function.
BronAges 6 months+ - NCT07623525RecruitingPhase 1/Phase 2
DIAG723 study for hereditary hemorrhagic telangiectasia
This study tests a new drug called DIAG723 in adults with hereditary hemorrhagic telangiectasia (HHT), a genetic condition that causes abnormal blood vessels and bleeding. Depending on which part of the study you qualify for, the drug may help reduce nosebleeds, improve anemia, or help with lung blood vessel problems caused by HHT.
Camperdown, New South WalesAges 18 years+ - NCT06850038Recruiting
Long-term study of odevixibat in Alagille syndrome
This study follows people with Alagille syndrome who are already taking or starting odevixibat (Bylvay). It looks at how well the medicine works and how safe it is over a long period of time.
Los Angeles, CaliforniaAges Any age - NCT07008911Recruiting
Fitness program for heart rehabilitation
This trial tests if a popular fitness app can help people recover from heart problems. You would do workouts at home and see if they improve your health and recovery.
Aurora, ColoradoAges 18 years+ - NCT07742254Enrolling by invitation
Bridging stent study for complex aortic aneurysm repair
This study looks back at people who had a complex aortic aneurysm repair using a special stent called iCover. It checks how well this stent works to keep blood flowing to the kidneys and other organs.
BordeauxAges 18 years+ - NCT07738978Recruiting
Movement and health study for paralysis
This study is looking at ways to improve movement and health for people with paralysis from conditions like spinal cord injury, stroke, traumatic brain injury, or multiple sclerosis. It involves exercises and may include electrical stimulation to help your leg and trunk muscles work better.
Cleveland, OhioAges 18 years+ - NCT07081711Recruiting
Testing new heart MRI technology in volunteers
This study is testing a new way to take pictures of the heart using MRI. It is looking for healthy volunteers to help make sure the technology works correctly.
Cleveland, OhioAges 18 years+ - NCT07592494Recruiting
Arm Exercise Training for Heart Failure With Device
This study compares different types of arm exercises for people with heart failure who have a pacemaker or defibrillator implanted. The goal is to see which exercise approach best improves how well your arms function and help you stay active.
ÇorumAges 18 years+ - NCT07740239Recruiting
Study on frailty in seriously ill adults
This study looks at why some seriously ill adults become frail. It involves imaging and other tests to help doctors better understand and care for patients with serious conditions.
TampereAges Any age - NCT06708897RecruitingPhase 1
Study of lonitoclax for returning B-cell blood cancers
This trial tests a new drug, lonitoclax, in people with certain B-cell blood cancers that have come back or not responded to earlier treatments. It aims to see if the drug can help control the disease.
Louisville, KentuckyAges 18 years+ - NCT07740434Recruiting
Work frustration and heart health blood pressure study
This study looks at how work-related frustration may affect blood pressure and heart health. Participation involves having your blood pressure checked during a routine visit to your doctor, which may help identify early risks.
ChenôveAges 40–65 - NCT01676805Recruiting
Collecting tissue samples for lymphoma research
This study collects leftover tissue samples from patients with or without lymphoma to help researchers better understand lymph system cancers. It may be an option if you are already having a biopsy or surgery.
Bethesda, MarylandAges 18 years+ - NCT07738523RecruitingPhase 2/Phase 3
Caffeine and heart rate control in permanent atrial fibrillation
This trial tests whether stopping caffeine for up to two months helps control heart rate in people with permanent atrial fibrillation. If you drink at least one cup of caffeinated coffee a day, you may be able to join and help find out if giving up caffeine improves your heart rate.
Getafe, MadridAges 18–80 - NCT05669989Enrolling by invitationPhase 2
Continuing isatuximab treatment for multiple myeloma
This study allows people with multiple myeloma who are already benefiting from the drug isatuximab in an earlier clinical trial to keep receiving it after that trial ends. It is an extension study, meaning you can continue your treatment without interruption.
St Louis, MissouriAges 18 years+ - NCT07217067RecruitingPhase 2
Study of PKN605 for people with atrial fibrillation
This trial tests a new medicine called PKN605 for people with atrial fibrillation (irregular heartbeat). The goal is to see if it can safely help control heart rhythm. You will need to have had at least two AF episodes recently and meet other heart health criteria.
Tupelo, MississippiAges 18 years+ - NCT03689595Enrolling by invitation
PROMISE study: Predicting myeloma risk in high-risk groups
This study uses a blood test to find early signs of myeloma in people at higher risk, such as those with a family history or African ancestry. It aims to predict who might develop myeloma before symptoms appear.
Boston, MassachusettsAges 30 years+ - NCT06677060RecruitingPhase 3
Study of baxdrostat plus dapagliflozin for heart risk in type 2 diabetes
This study tests whether a new drug called baxdrostat, when added to the diabetes medicine dapagliflozin (Farxiga), can prevent heart failure and heart-related death in people with type 2 diabetes, high blood pressure, and existing heart or blood vessel disease. You may be able to join if you have type 2 diabetes, heart or blood vessel disease, high blood pressure, and at least one extra risk factor for heart failure.
Birmingham, AlabamaAges 40 years+ - NCT06285318Recruiting
Real-world outcomes study for teclistamab or talquetamab in multiple myeloma
This study looks at how patients with multiple myeloma are doing after receiving the drugs teclistamab or talquetamab in regular medical care (not in a clinical trial). It helps doctors understand real-world outcomes and side effects.
AalborgAges 18 years+ - NCT07266441RecruitingPhase 2
Study of a new drug for relapsed or refractory multiple myeloma
This trial tests an experimental drug called JNJ-79635322 for people with multiple myeloma that has come back or hasn't responded to at least three previous treatments, including a PI, an IMiD, and a CD38-targeted antibody. The goal is to see if this new drug can help control the disease.
Birmingham, AlabamaAges 18 years+
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 9,981 recruiting cardiology studies from the U.S. registry right now, out of 15,236 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
- Bones, joints & muscles
- Pain
- Injuries & trauma
- Mouth & dental
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- 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.