Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 9,626 recruiting studies in this area right now.
By phase
- Not applicable7,647
- Phase 4471
- Phase 2470
- Phase 3439
- Phase 1350
- Phase 1/Phase 2161
- Phase 2/Phase 388
Top conditions
- Stroke798
- Heart Failure538
- Hypertension390
- Cardiovascular Diseases374
- Coronary Artery Disease361
- Multiple Myeloma328
- Atrial Fibrillation258
- Ischemic Stroke190
- Atrial Fibrillation (AF)154
- Acute Ischemic Stroke138
- Pulmonary Hypertension105
- Myocardial Infarction96
- Congenital Heart Disease83
- Peripheral Arterial Disease80
- Stroke, Ischemic77
- Aortic Valve Stenosis76
- Acute Coronary Syndrome74
- Obesity74
Leading sponsors
- Mayo Clinic93
- Assistance Publique - Hôpitaux de Paris88
- National Taiwan University Hospital67
- China National Center for Cardiovascular Diseases60
- Second Affiliated Hospital, Zhejiang University, School of Medicine57
- Beijing Tiantan Hospital53
- Insel Gruppe AG, University Hospital Bern49
- Massachusetts General Hospital49
- Yonsei University48
- Johns Hopkins University45
Where studies are running
- California449
- Alabama195
- Arizona183
- Massachusetts174
- New York165
- Florida141
- Texas122
- Maryland119
- Minnesota118
- Illinois111
Recruiting studies9,626 total
- NCT07225543RecruitingPhase 2
Study of 2-HOBA for women with lupus
This trial tests whether a natural compound called 2-HOBA can help women with lupus who also have mildly high blood pressure. It aims to improve blood vessel health and reduce inflammation.
Nashville, TennesseeAges 18 years+ - NCT07225738Recruiting
Multiple Myeloma treatment and cannabis use study
This study follows people with newly diagnosed multiple myeloma to see how their cancer treatments and use of medications, including cannabis, affect their health. It will help doctors learn more about what works best.
Goodyear, ArizonaAges 18 years+ - NCT07229781Recruiting
Mediterranean diet for blood sugar control
This study tests whether a Mediterranean-style diet can help people with prediabetes manage their blood sugar. You'll follow a specific eating plan and the researchers will check your health over time.
University Park, PennsylvaniaAges 25–65 - NCT07222852RecruitingPhase 3
Heart Protection After Preeclampsia With Enalapril
This trial tests whether the blood pressure medicine enalapril can help protect the hearts of people who had preeclampsia (a pregnancy-related high blood pressure condition) after they give birth. It is for those already in a hospital hypertension monitoring program.
Providence, Rhode IslandAges 18 years+ - NCT07226479Recruiting
Non-invasive vein pressure test for heart patients
This study tests if a non-invasive method can estimate central venous pressure, reducing the need for invasive catheters in heart patients.
New Haven, ConnecticutAges 18 years+ - NCT07223268Recruiting
Support program for diabetic foot problems
This study tests a program that provides extra help and resources to people with diabetes who have a foot ulcer or a toe amputation. The goal is to see if this support helps them manage their condition and avoid future problems.
Atlanta, GeorgiaAges 18 years+ - NCT07224243Recruiting
How oxygen during surgery affects recovery
This study looks at how different oxygen levels during surgery affect recovery. It includes adults having surgery with a breathing tube, but excludes people having open-heart surgery, certain lung procedures, or who have had bleomycin chemotherapy.
Ann Arbor, MichiganAges 18 years+ - NCT07226934Recruiting
AI-generated question list for blood cancer patients
This trial tests if an AI tool can help you create a personalized list of questions about your cancer treatment to ask your doctor at your next visit. It is for patients with lymphoma or multiple myeloma who get regular infusion therapy.
St Louis, MissouriAges 18–99 - NCT07229300Enrolling by invitation
AI for automatic heart ultrasound reporting
This trial tests a new computer program that reads heart ultrasound images and writes the report automatically. It may help doctors make faster and more accurate reports for patients in the Kaiser system.
Pleasanton, CaliforniaAges 18 years+ - NCT07230067Recruiting
Sepsis with low platelets: platelet transfusion study
This study looks at whether platelet transfusions help patients with sepsis and very low platelet counts recover better. If you or your loved one had sepsis, a low platelet count, and were in the ICU for at least two days, this trial may be relevant.
Guangzhou, GuangdongAges 18 years+ - NCT07229248RecruitingPhase 3
Balloon vs. Stent in Young Heart Attack Patients
This trial compares a drug-coated balloon (DCB) to a drug-eluting stent (DES) in younger adults having their first major heart attack. The goal is to see which treatment works better when the artery is opened quickly.
KarachiAges 18–49 - NCT07225842RecruitingPhase 4
Bridging with Cangrelor: A study on pre-procedure blood thinner use
This study looks at how well a certain blood thinner (cangrelor) works when used as a 'bridge' before surgery or another procedure. It is for people who already need to be on this medicine for a short time.
Jacksonville, FloridaAges 18 years+ - NCT07222683Recruiting
How kidney transplant affects heart blood vessel health
This study looks at how receiving a kidney transplant changes the health of small blood vessels in the heart. It may help people with advanced kidney disease understand the benefits of transplant on their heart health.
Boston, MassachusettsAges 18 years+ - NCT07224685Recruiting
Mayo heart & voice health study with phone and watch
This study uses your iPhone and Apple Watch to collect heart and voice data to learn more about cardiovascular health. It may help improve how doctors monitor heart conditions.
Rochester, MinnesotaAges 18 years+ - NCT07223242RecruitingPhase 2/Phase 3
Tailored exercise training for heart failure with preserved pumping strength
This trial tests a personalized exercise program to help people with a type of heart failure called HFpEF. You may qualify if your heart still pumps well but you have trouble being active, and you are willing to use a phone app and exercise regularly.
Dallas, TexasAges 18 years+ - NCT07229482Recruiting
Potatoes and your health: a 14-week food study
This study tests whether eating potatoes (as part of a provided diet) can improve blood sugar and heart health markers – possibly lowering your risk for type 2 diabetes.
Blacksburg, VirginiaAges 50–70 - NCT07229196Recruiting
Comparing two exercise programs for lowering blood pressure
This study compares two types of exercise programs (short bursts of high-intensity exercise vs. moderate continuous exercise) to see which one lowers blood pressure better in people with hypertension. You may qualify if you have high blood pressure and are between 30 and 59 years old.
La Plata, Buenos AiresAges 30–59 - NCT07223645Recruiting
Handgrip exercise and brain blood flow in young adults
This study tests whether a simple handgrip exercise program can improve blood flow regulation to the brain in young adults who are not very active. Participants will do handgrip exercises at home using a mobile app to track their progress.
Tallahassee, FloridaAges 18–35 - NCT07223437Recruiting
Restricted exercise for peripheral artery disease study
This study tests a new type of exercise that uses a blood-flow restriction cuff to see if it helps people with leg pain from blocked arteries. If you have stable claudication (leg pain when walking) and have been referred to cardiac rehab, you may qualify.
Knoxville, TennesseeAges 18 years+ - NCT07221695Enrolling by invitation
Pelvic vein treatment: foam plus glue vs foam plus coils
This trial compares two different methods for treating chronic pelvic pain caused by pelvic vein disorders. One method uses foam plus a medical glue, the other uses foam plus tiny metal coils. The goal is to find which approach works better.
Kafr ash Shaykh, Kafrelshaykh GovernorateAges 18–50 - NCT07225101RecruitingPhase 4
Testing STRATAFIX stitches for brain and spine surgery
This trial tests a special type of stitch (called STRATAFIX) for closing wounds after brain or spine surgery. It may help the wound heal better and reduce complications.
Lansing, MichiganAges 18 years+ - NCT07226193Recruiting
Can a pulse test detect PAD?
This study is testing a simple pulse check to see if it can detect peripheral artery disease (PAD), a condition that narrows leg arteries. People with or without PAD can join to help see how well the test works.
Omaha, NebraskaAges 19 years+ - NCT07224906Recruiting
Observing patients having a right heart catheterization
This study observes people who are already scheduled for a right heart catheterization, a procedure that checks the pressure in your heart. It helps doctors learn more about heart conditions without adding any extra treatments or procedures.
Boulder, ColoradoAges 18 years+ - NCT07222293Recruiting
Testing an AI tool to screen for diabetic eye disease
This study uses an AI program called DRISTi to screen for diabetic eye disease by taking pictures of the back of your eye. It's designed for adults with diabetes who haven't had major eye treatments or vision loss.
Oxford, North CarolinaAges 21 years+
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 9,626 recruiting cardiology studies from the U.S. registry right now, out of 14,734 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
- Brain & nervous system
- 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.