Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 10,066 recruiting studies in this area right now.
By phase
- Not applicable8,037
- Phase 2488
- Phase 4482
- Phase 3452
- Phase 1360
- Phase 1/Phase 2161
- Phase 2/Phase 386
Top conditions
- Stroke856
- Heart Failure566
- Hypertension403
- Cardiovascular Diseases390
- Coronary Artery Disease375
- Multiple Myeloma329
- Atrial Fibrillation273
- Ischemic Stroke199
- Atrial Fibrillation (AF)146
- Acute Ischemic Stroke141
- Pulmonary Hypertension104
- Myocardial Infarction98
- Congenital Heart Disease87
- Peripheral Arterial Disease85
- Stroke, Ischemic84
- Acute Coronary Syndrome83
- Obesity80
- Aortic Valve Stenosis78
Leading sponsors
- Mayo Clinic94
- Assistance Publique - Hôpitaux de Paris92
- National Taiwan University Hospital74
- China National Center for Cardiovascular Diseases59
- Beijing Tiantan Hospital54
- 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
- California467
- Alabama198
- Massachusetts181
- Arizona176
- New York166
- Florida145
- Illinois120
- Maryland120
- Texas120
- Minnesota119
Recruiting studies10,063 total
- NCT07601022Recruiting
Study of Heart Failure Hospital Admissions and Heart Function
This registry collects information from patients admitted to the hospital with acute heart failure (sudden worsening of the heart's pumping ability). Researchers will study your heart rhythm, blood markers, and medical history to better understand heart failure patterns and outcomes.
Seongnam-si, Gyeonggi-doAges 19 years+ - NCT07601724Recruiting
How fluid buildup affects sleep apnea in heart failure
This study looks at how excess fluid in the body affects sleep apnea (pauses in breathing during sleep) in people hospitalized with heart failure. Researchers will measure sleep apnea before and after treatment to reduce the fluid, which may help doctors better manage both conditions together.
JerusalemAges 18 years+ - NCT07601763Recruiting
Pulsed Field Ablation for Atrial Fibrillation Treatment
This trial tests a newer ablation technique called pulsed field ablation to treat atrial fibrillation, a heart rhythm disorder. The goal is to see if this method works well and is safe for patients who need treatment.
Beijing, Beijing MunicipalityAges 18 years+ - NCT07601867Recruiting
Dapagliflozin to improve heart function after bypass surgery
This trial tests whether a diabetes medication called dapagliflozin can help improve how well the right side of your heart works after off-pump coronary artery bypass grafting surgery (a way to reroute blood around blocked heart arteries). The goal is to see if this drug reduces strain on your heart during recovery.
Pyatigorsk, Stavropol KrayAges 18 years+ - NCT07603102Recruiting
Mindfulness and Walking Training for Memory After Stroke
This study tests whether combining mindfulness meditation with balance and walking exercises can help improve memory and thinking skills in people who had a stroke. The trial focuses on people with mild cognitive impairment—difficulty thinking clearly—after stroke recovery.
NanjingAges 55 years+ - NCT07603583Recruiting
Heart Rate Variability to Detect Sleep Apnea in Hypertension
This study tests whether a simple heart-rate measurement can help detect obstructive sleep apnea (a breathing condition during sleep) in people with high blood pressure. The goal is to find an easier way to screen for sleep apnea, which often goes undiagnosed but can worsen heart health.
Kaohsiung City, KaohsiungAges 18–65 - NCT07604103RecruitingPhase 3
Heart Attack and Pneumonia Recovery Study With Vaccination
This study looks at blood markers (special proteins) in patients who have had both a heart attack and pneumonia, to see how vaccination affects recovery. The goal is to understand whether flu and pneumonia vaccines are safe and helpful for people recovering from these two serious conditions together.
Malang, East JavaAges 18–65 - NCT07604181Recruiting
Telerehabilitation vs clinic therapy for stroke arm recovery
This trial compares two ways of helping stroke survivors regain arm and hand function: therapy done remotely online versus in-person at a clinic. Both use a specialized approach called constraint-induced movement therapy, which encourages use of the weaker arm. The study aims to see which method works better for people in the first 6 months after stroke.
Faisalabad, Punjab ProvinceAges 40–70 - NCT07604467Recruiting
Understanding Stem Cells in Takotsubo Heart Syndrome
This study examines how certain stem cells (CD34+ cells) may contribute to takotsubo syndrome, a temporary heart condition often triggered by stress. By understanding this connection, researchers hope to improve treatment and recovery for patients with this condition.
Ljubljana, LjubljanaAges 18 years+ - NCT07606807RecruitingPhase 3
New clot-busting medication for stroke in the extended time window
This trial tests a new medication called rhTNK-tPA for treating acute ischemic stroke (a clot in the brain) up to 24 hours after symptom onset. The study uses simplified imaging to determine eligibility and aims to help patients recover better outcomes.
GuangzhouAges 18 years+ - NCT07606859Recruiting
Heat and Air Pollution Reduction for Older Adults With High Blood Pressure
This study tests whether reducing exposure to heat and air pollution helps older adults with high blood pressure feel better and stay healthier. Researchers will provide tools and support to help you stay cool and breathe cleaner air at home.
NicosiaAges 65 years+ - NCT07607106Recruiting
New Wound-Healing Gel for Chronic Leg and Foot Ulcers
This trial tests a new gel (called BU002) designed to clean and help heal chronic open sores on the legs or feet. The gel may work better than current treatments for wounds that have been open for months and aren't healing on their own.
Santiago, Metropolitana de SantiagoAges 60 years+ - NCT07607093Recruiting
Early rhythm control for atrial fibrillation with tricuspid valve leakage
This trial tests whether treating atrial fibrillation (an irregular heartbeat) early helps patients who also have tricuspid regurgitation (leakage in a heart valve). Researchers want to see if controlling the heart rhythm early can improve outcomes for people with both conditions.
Seoul, SeoulAges Any age - NCT07607275RecruitingPhase 4
Chinese herbal medicine for managing high blood pressure
This trial tests whether a traditional Chinese herbal medicine called Yufeng Ningxin can help lower blood pressure in adults with newly diagnosed or ongoing high blood pressure. Researchers will measure how well it works compared to standard treatment.
BeijingAges 18–65 - NCT07607795Recruiting
Grip Exercise and Blood Pressure in Pregnancy
This study tests whether a simple hand-squeezing exercise can help lower blood pressure in pregnant women. You'll either have high blood pressure before pregnancy or normal blood pressure, and researchers will see if regular grip exercises help manage it safely.
PoitiersAges 18–45 - NCT07608588Recruiting
Brain Stimulation for Language Recovery After Stroke
This study tests whether a non-invasive brain stimulation technique called rTMS can help people regain language skills after a left-sided stroke, particularly for word-finding and meaning difficulties. Researchers will target specific brain regions to see if stimulation improves recovery.
Columbia, South CarolinaAges 18 years+ - NCT07608822Recruiting
Dual-chamber pacemaker with specialized heart block pacing
This study follows patients who recently received a dual-chamber pacemaker (a device that helps regulate heartbeat) designed to work differently when the heart's electrical signals are delayed or blocked. The trial checks whether this new pacing approach safely reduces irregular heart rhythms and works well over time.
Ústí nad LabemAges 18–18 - NCT07609030Recruiting
Brain Training During CAR-T Cell Cancer Treatment
This study tests whether special brain exercises can help protect thinking and memory skills during CAR-T cell therapy—a newer cancer treatment for certain blood cancers. Researchers want to see if training your brain during treatment reduces side effects on memory and mental function.
Columbus, OhioAges 18 years+ - NCT07609095Recruiting
Testing pulse checks to assess blood circulation during emergency care
This study examines whether checking a patient's pulse at the wrist or other sites can help doctors quickly assess blood circulation problems during emergencies. The goal is to see if simple pulse checks match what more complex monitoring devices show, helping guide faster treatment decisions.
Stockholm, Stockholm CountyAges 18 years+ - NCT07609407Recruiting
Pelvic Stability Training After Stroke for Leg Function
This study tests whether special exercises focused on stabilizing your pelvis (hip area) can help improve leg strength and movement after a stroke. The training is designed for people in the early recovery phase who are learning to stand and walk again.
Faisalabad, Punjab ProvinceAges 40–60 - NCT07609576Recruiting
Tracking Infections in Blood Cancer Patients on Bispecific Antibody Treatment
This study follows adults with blood cancers (like multiple myeloma or lymphoma) who are starting a newer type of immunotherapy called bispecific antibodies. Researchers want to understand what infections might develop during this treatment and how often they occur, which could help doctors better protect patients.
Madrid, MadridAges 18 years+ - NCT07609966Recruiting
Virtual Reality for Stroke Arm Recovery
This trial tests whether virtual reality exercises help stroke patients recover arm and hand movement faster and better. You'd use VR games alongside your regular rehabilitation therapy in the hospital and after going home.
GironaAges 18 years+ - NCT07610538Recruiting
Low-dose IL-2 study after heart bypass surgery
This study tests whether a low dose of a natural immune-boosting protein (IL-2) given after heart bypass surgery can help reduce heart damage. The treatment aims to activate special immune cells that protect heart tissue.
Cambridge, CambridgeshireAges 18 years+ - NCT07610850Recruiting
Brain-controlled stimulation to improve arm and leg movement after stroke
This trial tests a new brain-controlled device that sends electrical signals to your spinal cord to help restore arm and leg movement after a stroke. If you had a stroke at least 9 months ago and have weakness on one side of your body, this may help you regain function.
Lausanne, Canton of VaudAges 18–70
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 10,066 recruiting cardiology studies from the U.S. registry right now, out of 15,554 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.