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
- NCT06936501Recruiting
Cooling sensation drink test for safe swallowing after stroke
This trial tests a cooling sensation drink to help stroke patients with swallowing problems safely take a high-calorie, high-protein supplement. It looks at whether the cooling sensation makes swallowing easier and safer.
Málaga, MálagaAges 18–99 - NCT06937125Recruiting
Heart valve disease study using heart CT scans
This trial uses advanced CT scans to study people with moderate or severe heart valve disease. It aims to better understand valve problems and may help guide future treatments.
Ōta-ku, TokyoAges 18 years+ - NCT06937164Recruiting
Blood pressure and isometric exercise in inactive adults
This study tests how isometric (holding still) exercises affect blood pressure in people who don't exercise much. It might help find safe ways to lower blood pressure without medication.
Canterbury, KentAges 18–55 - NCT06937983Recruiting
Mapping to guide heart rhythm treatment
This study tests a new way of mapping damaged heart muscle to improve the precision of a procedure called catheter ablation, which treats dangerously fast heart rhythms. It may help people with heart disease who need this procedure.
Coventry, West MidlandsAges 18 years+ - NCT06938009Recruiting
Dutch registry of child cardiac arrest
This trial is a registry study that records information about children under 18 who have had a cardiac arrest in the Netherlands. It aims to collect data to better understand and improve care for children in this situation.
Nijmegen, GelderlandAges 1 day–18 years - NCT06938100Recruiting
CADASIL Study: Genes, Brain Scans and Symptoms
This study looks at how genetic and brain imaging changes relate to symptoms in people with CADASIL, a genetic condition that affects small blood vessels in the brain and can cause strokes. It aims to better understand the disease to improve future care.
MilanAges 18 years+ - NCT06938243RecruitingPhase 1
Vagus Nerve Stimulation for Early Stroke Arm Recovery
This trial tests whether a device called a vagus nerve stimulator (VNS), placed under the skin, is safe and helps improve arm function when started 3 months after a stroke. It is for people with moderate to severe arm weakness who can still move their arm a little.
Jinan, ShandongAges 30–75 - NCT06938516Recruiting
Study of Nebilet for high blood pressure
This study is for people with high blood pressure who are taking or about to start the medication Nebilet. It will track how well Nebilet controls blood pressure in real-world settings, including people with other heart conditions.
Semarang, Central JavaAges 18–100 - NCT06938633Recruiting
Blood pressure study using urine test
This study uses a urine test to see if patients with high blood pressure are taking their medications correctly. The goal is to help you and your doctor improve your blood pressure control.
SingaporeAges 21–80 - NCT06938685Recruiting
Testing a new wound treatment for diabetic foot ulcers
This trial tests a new wound covering called NeoThelium FT to help diabetic foot ulcers heal. It is for people whose ulcer has not improved much with standard care and is not infected or too deep.
Alexandria, LouisianaAges 18 years+ - NCT06939335RecruitingPhase 3
Testing a breathing method during CPR after cardiac arrest
This trial tests whether a specific breathing technique (PEEP) during CPR helps improve outcomes for adults who have a cardiac arrest outside the hospital and are being treated by emergency medical teams.
Ostend, West-FlandresAges 18 years+ - NCT06939348Recruiting
Ultrasound therapy for patients with consciousness disorders
This trial tests whether ultrasound stimulation can help people with disorders of consciousness, like coma or a minimally conscious state. It aims to improve brain function and recovery for patients who have been injured for over a month.
Los Angeles, CaliforniaAges 18–79 - NCT06939673Recruiting
Miro3D wound matrix for healing wounds and ulcers
This trial tests a special wound dressing called Miro3D that helps heal open wounds and ulcers. It may be a good option if you have a wound that is not healing, especially if it has tunnels or pockets under the skin.
Coconut Creek, FloridaAges 18 years+ - NCT06939686Recruiting
Wound matrix study for diabetic foot ulcers
This study tests a new wound dressing made from pig tissue to help heal diabetic foot ulcers. It may help you if you have a foot sore that hasn't healed after 4 weeks of regular care.
Coconut Creek, FloridaAges 18 years+ - NCT06939985Recruiting
Heart health and metabolism registry for heart failure
This trial is a registry that will follow people with different types of chronic heart failure to better understand how heart health and metabolism are linked. It may help doctors improve care for future patients.
ShanghaiAges 18 years+ - NCT06940011RecruitingPhase 2
Endocalyx for hard-to-treat high blood pressure
This trial tests a new treatment called Endocalyx for people whose high blood pressure doesn't get better with multiple medications. It aims to see if Endocalyx can help lower blood pressure when standard medicines aren't enough.
Amsterdam, North HollandAges 18 years+ - NCT06940128Recruiting
Ischemic conditioning after stroke clot removal
This trial tests a method called direct ischemic conditioning, which is a gentle way to prepare your brain to better handle the return of blood flow after a stroke. It is for people who have had a large artery blockage in the front part of the brain and have already had a successful procedure to reopen the artery.
Shengyang, LiaoningAges 18 years+ - NCT06940544Recruiting
Heart failure screening study for adults 40+
This study is looking for people who may have undiagnosed heart failure. It tests a self-screening method at home to find heart problems earlier.
UppsalaAges 40 years+ - NCT06940635Recruiting
Hand therapy for stroke: may help speech and swallowing
This study tests whether a special hand therapy using brain-computer interface and electrical stimulation can also help improve speech and swallowing problems after a stroke. You may be eligible if you're at least 3 months past your stroke, have some arm weakness, and have aphasia or dysphagia.
Innsbruck, TyrolAges 18 years+ - NCT06940661RecruitingPhase 2
Obinutuzumab for relapsing vasculitis
This trial tests a drug called obinutuzumab to see if it can help people whose vasculitis (inflammation of blood vessels) has come back after previous treatment. It is designed for people with a specific type of vasculitis that affects small blood vessels and is linked to PR3-ANCA antibodies.
ParisAges 18 years+ - NCT06940934Recruiting
Acandis device study for brain aneurysms
This study is checking how well Acandis devices work for treating brain aneurysms in real-world use. If you have a brain aneurysm that can be treated with an Acandis device, this trial may help your doctor understand your treatment options.
RouenAges 18 years+ - NCT06941129RecruitingPhase 1
CAR T-cell therapy for resistant autoimmune diseases
This trial tests a new type of immune therapy called CAR T-cells that target two markers on your B cells (CD19 and BCMA). It is for people with certain autoimmune diseases that have not improved or have come back after standard treatments. The goal is to see if this therapy can help control the disease.
TianjinAges 18 years+ - NCT06941025Recruiting
Safety of Elfabrio in pregnant and breastfeeding women with Fabry disease
This study follows women with Fabry disease who took the medicine Elfabrio during pregnancy or breastfeeding to see if it is safe for them and their babies. It helps doctors learn more about how this treatment affects mothers and infants.
Washington D.C., District of ColumbiaAges Any age - NCT06941116Recruiting
Steroid test to screen for a common cause of high blood pressure
This trial tests whether a simple steroid-based test can help identify a specific type of high blood pressure called primary aldosteronism. If you have high blood pressure that needs medication, this study may help find a treatable cause.
Chongqing, Chongqing MunicipalityAges 18–75
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.
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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.