Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 9,609 recruiting studies in this area right now.
By phase
- Not applicable7,632
- Phase 4472
- Phase 2469
- Phase 3439
- Phase 1350
- Phase 1/Phase 2160
- Phase 2/Phase 387
Top conditions
- Stroke797
- Heart Failure534
- Hypertension388
- Cardiovascular Diseases373
- Coronary Artery Disease363
- Multiple Myeloma327
- Atrial Fibrillation259
- Ischemic Stroke190
- Atrial Fibrillation (AF)154
- Acute Ischemic Stroke139
- Pulmonary Hypertension104
- Myocardial Infarction97
- Congenital Heart Disease84
- Peripheral Arterial Disease79
- Stroke, Ischemic78
- Aortic Valve Stenosis76
- Obesity74
- Acute Coronary Syndrome73
Leading sponsors
- Mayo Clinic93
- Assistance Publique - Hôpitaux de Paris88
- National Taiwan University Hospital68
- China National Center for Cardiovascular Diseases60
- Second Affiliated Hospital, Zhejiang University, School of Medicine58
- Beijing Tiantan Hospital53
- Insel Gruppe AG, University Hospital Bern49
- Massachusetts General Hospital49
- Yonsei University48
- Johns Hopkins University45
Where studies are running
- California453
- Alabama196
- Arizona181
- Massachusetts173
- New York168
- Florida140
- Texas122
- Maryland118
- Minnesota117
- Illinois112
Recruiting studies9,609 total
- NCT07797712Recruiting
Mirror therapy with standard rehab for post-stroke walking
This study tests whether adding mirror therapy to regular walking and leg exercises helps people who have had a stroke walk better and improve leg function. Mirror therapy uses a mirror to create the illusion that the affected leg is moving, which may help rewire the brain.
Quetta, BalochistanAges 40–70 - NCT07799519RecruitingPhase 2
Finerenone after heart procedure to lower atrial fibrillation return
This trial tests whether taking finerenone after a heart procedure to fix irregular heartbeat can help prevent atrial fibrillation from coming back. It's for people having their first such procedure and aims to improve long-term heart rhythm health.
TainanAges 18–80 - NCT06527963Recruiting
Balloon types for fistula narrowing in dialysis patients
This trial compares two types of balloons used to open up narrowed areas in the blood vessels of dialysis patients. It aims to find which balloon works better for keeping the fistula working well.
Zhengzhou, HenanAges 18–75 - NCT06528977Recruiting
Western diet's effect on heart and immune health
This study looks at how a typical Western diet affects heart health and immune function in healthy middle-aged adults. You will follow a carefully controlled diet for several weeks, and researchers will measure changes in your blood pressure, cholesterol, and immune markers.
Newark, DelawareAges 50–64 - NCT04353960Recruiting
Study of heart rate response during eye muscle surgery
This study looks at how the heart rate changes when eye doctors move the eye muscles during strabismus (eye alignment) surgery. It may help doctors better understand and manage this normal reflex during surgery.
Anchorage, AlaskaAges 1 month–100 years - NCT06527443Recruiting
Arterial stiffness in adults with sepsis
This study measures how stiff your arteries are during sepsis, which may help doctors understand your condition better. You need to be an adult in the ICU with sepsis and be tested within 24 hours.
AsyutAges 18 years+ - NCT04257487RecruitingPhase 3
Sulodexide to prevent blood clots from coming back
This study tests sulodexide (a blood-vessel protective medicine) to help stop deep leg blood clots or lung clots from returning after you’ve already been treated. It may help people with higher bleeding risk who are taking or recently finished standard anticoagulant medicines.
RozzanoAges 75 years+ - NCT06530537RecruitingPhase 3
Cilostazol vs. Aspirin for recent stroke with brain microbleeds
This trial compares two medications—cilostazol and aspirin—to see which is better at preventing another stroke in people who have had a recent clot-caused stroke and also have tiny spots of bleeding in the brain (microbleeds). It aims to find a safer and more effective treatment for this specific group.
Hangzhou, ZhejiangAges 35 years+ - NCT06009315Recruiting
Stroke treatment outcome prediction study
This study looks at patients having a stroke procedure to remove a clot. It aims to predict how well people recover. If you are having this treatment, the study might help doctors understand your likely outcome.
Beijing, Beijing MunicipalityAges 18–100 - NCT05534607Recruiting
Community hula program for dementia risk in older Native Hawaiians
This study tests whether joining a community hula (dance) program can help people reduce future dementia risk. It focuses on older Native Hawaiian or Pacific Islander adults who already have mild memory concerns and certain health conditions like high blood pressure or diabetes.
Honolulu, HawaiiAges 50–75 - NCT04114994Recruiting
Memory testing study for adults 50 and older
This study checks how people’s thinking and memory change over time using a specific cognitive test. It may help researchers understand patterns of memory change and supports future research on brain health.
Miami, FloridaAges 50 years+ - NCT04885985Recruiting
Check a new treatment for blocked leg arteries after procedures
This post-market study follows people with significant below-the-knee artery blockages to see how a treatment performs over time. It may help patients by confirming the safety and ongoing effectiveness of the device used for these leg artery problems.
Beijing, Beijing MunicipalityAges 18–75 - NCT04393389Recruiting
Follow-up study for a drug-coated balloon in leg arteries
This is a post-market follow-up study of a drug-coated balloon used to open blocked leg arteries. It checks how safe the device is and how well it works over time after your procedure.
Halle, Saxony-AnhaltAges 18 years+ - NCT05651724Recruiting
MASH screening study for people with diabetes or obesity
This study screens participants for MASH (a type of liver fat inflammation) using information about your health and risk factors. It may help you and your care team learn whether you could have MASH and need follow-up.
Brussels, Vlaams-brabantAges 18–75 - NCT05865691Recruiting
Study blood and organ changes in chronic liver disease
This study looks at how blood clotting, inflammation, and blood vessels change in people with chronic liver disease or cirrhosis. Your blood tests may help researchers understand what drives the disease and could guide future care.
ClichyAges 18 years+ - NCT06271252RecruitingPhase 1
Study of OriCAR-017 for relapsed or refractory multiple myeloma
This trial tests a new type of CAR-T cell therapy called OriCAR-017 for people with multiple myeloma that has come back or not responded to treatment. It is for patients who have already tried several treatments, including ones that target BCMA, and their last treatment stopped working.
Atlanta, GeorgiaAges 18–75 - NCT07791017Recruiting
Ultrasound for detecting baker's cysts in suspected deep vein thrombosis
This study tests whether a focused ultrasound of the back of the knee can accurately detect Baker's cysts (a benign fluid-filled sac) in people who have symptoms that might suggest a blood clot. It aims to improve diagnosis and avoid unnecessary treatments.
AarhusAges 18 years+ - NCT07785635Recruiting
How fasting time affects blood pressure after anesthesia
This study looks at whether the length of time you fast before surgery can affect your blood pressure after you are put to sleep. The goal is to help doctors manage blood pressure better during operations.
Ostrava, Moravian-Silesian RegionAges 18 years+ - NCT07791069Enrolling by invitation
Study of a device to manage blood flow in the lungs for heart disease in young children
This study looks at how well a new device works to control blood flow to the lungs in children with heart problems. It reviews medical records of children who had this device placed in their lung arteries.
Le Plessis-RobinsonAges Up to 3 years - NCT07787793Recruiting
Effects of non-invasive brain stimulation on hand movement after stroke
This study tests whether a non-invasive brain stimulation technique called repetitive transcranial magnetic stimulation (rTMS) can help improve hand movement in people who have had a stroke and have severe arm weakness. It uses a special device to stimulate the brain and may help with motor recovery.
Palma, Balearic IslandsAges 18 years+ - NCT07784231RecruitingPhase 1/Phase 2
Light therapy for stroke-related muscle stiffness
This study tests a light-based therapy (photobiomodulation) to see if it can help reduce muscle stiffness in people recovering from a stroke. Participants will continue their usual rehabilitation while receiving this additional treatment.
São Paulo, São PauloAges 18 years+ - NCT07785765Enrolling by invitation
Exercise study for people recovering from SCAD
This study tests whether a supervised exercise program is safe and helpful for people who have had a spontaneous coronary artery dissection (SCAD), a tear in a heart artery. It may help improve your recovery and heart health.
OsloAges 18 years+ - NCT07786649Recruiting
Non-invasive brain stimulation for stroke recovery
This trial tests different types of non-invasive brain stimulation to see which one helps people recover better from stroke-related problems like arm weakness, leg weakness, neglect, or speaking difficulty.
SingaporeAges 21–80 - NCT07784751Enrolling by invitationPhase 1/Phase 2
Ultrasound therapy for stroke recovery
This study tests a new treatment that uses ultrasound pulses to help people recover after a stroke. It may improve movement or language abilities.
Taipei, TaiwanAges Any age
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 9,609 recruiting cardiology studies from the U.S. registry right now, out of 14,617 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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- 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.