Cardiology
Heart & circulation clinical trials
Heart disease, blood pressure, and disorders of the blood vessels and circulation. We’re tracking 9,989 recruiting studies in this area right now.
By phase
- Not applicable7,969
- Phase 2481
- Phase 4481
- Phase 3447
- Phase 1361
- Phase 1/Phase 2163
- Phase 2/Phase 387
Top conditions
- Stroke845
- Heart Failure564
- Hypertension400
- Cardiovascular Diseases389
- Coronary Artery Disease370
- Multiple Myeloma332
- Atrial Fibrillation267
- Ischemic Stroke200
- Atrial Fibrillation (AF)141
- Acute Ischemic Stroke139
- Pulmonary Hypertension100
- Myocardial Infarction99
- 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
- Illinois119
- Texas118
Recruiting studies9,986 total
- NCT05516277Recruiting
Insomnia care study for older adults with PTSD
This study tests a treatment plan for insomnia (trouble sleeping) in older adults who also have post-traumatic stress disorder (PTSD). The goal is to see whether improving sleep also supports heart and metabolic health (such as blood sugar and heart-related measures).
North Hills, CaliforniaAges 50 years+ - NCT05518305Recruiting
Predicting recurrent stroke risk in people with artery narrowing
This study looks at blood markers and brain/artery scan results to predict who with intracranial artery narrowing is more likely to have another stroke. It may help doctors spot higher-risk people earlier and better target prevention.
Los Angeles, CaliforniaAges 30 years+ - NCT05519085RecruitingPhase 3
Test mezigdomide vs pomalidomide with standard drugs for myeloma
This Phase 3 study compares two combination treatments for multiple myeloma that has come back or not gone away (relapsed or refractory). It aims to see whether mezigdomide, along with bortezomib and dexamethasone, works better than pomalidomide with those same medicines.
Los Alamitos, CaliforniaAges 18 years+ - NCT05519735Recruiting
Heart MRI study after a heart attack treated by catheter
This study looks at the lymphatic system and heart tissue after a heart attack (STEMI) in people who had prompt catheter treatment. It uses heart MRI to understand healing and may help researchers improve care after a heart attack.
WürzburgAges 18–90 - NCT05520034Recruiting
Nurse teaching plan to help prevent another stroke
This study tests whether nurse-led education and follow-up can lower the chance of having another stroke. It targets people who recently returned home after a first stroke and their main caregiver.
DhakaAges 18 years+ - NCT05521451Recruiting
Study for adults with heart rhythm problems
This trial is a “clinical cohort” study, meaning it follows adults with certain heart rhythm issues to understand them better. Your participation may help researchers learn what to expect and how best to support people over time.
HamburgAges 18 years+ - NCT05520359Recruiting
Testing spinal stimulation and devices to improve movement
This study tests spinal stimulation and mobility-related devices to see if they can improve how well you move. You would visit a lab, do simple movement tasks, and share feedback about comfort and what you experience.
Seattle, WashingtonAges 4–70 - NCT05520762Recruiting
Trial for patients after in-hospital cardiac arrest needing breathing support
This trial studies a hospital treatment for people who have a cardiac arrest while in the hospital and still need help breathing. It may help improve care right after this emergency by testing an airway resuscitation approach.
New York, New YorkAges 18 years+ - NCT05521802RecruitingPhase 1/Phase 2
Testing a new CAR-T therapy for relapsed myeloma
This Phase 1/2 study tests C-CAR088, a lab-made immune therapy, in people with multiple myeloma that has come back or did not respond. It is for patients who have already had several standard treatments and whose disease is still measurable.
TianjinAges 18 years+ - NCT05521503Recruiting
Collecting heart tissue samples for a shared research database
This trial builds a database by collecting and storing biopsy or biopsy-related samples from adults being evaluated for certain heart conditions. It may help researchers study heart disease and amyloidosis by making past tissue samples easier to access for future research.
Lexington, KentuckyAges 18 years+ - NCT05522075Recruiting
Reducing Blood Pressure in Adults Who Binge Drink
This study looks at ways to lower blood pressure in adults ages 50–64 who drink little, moderate, or binge drink. It may help by testing an approach that supports healthier blood pressure in midlife.
Arlington, TexasAges 50–64 - NCT05522218Recruiting
Eluvia stent for blocked or narrowed leg artery
This trial looks at using an Eluvia drug-coated stent to treat a blocked or severely narrowed artery in the upper leg/knee area. It may help improve blood flow to the leg, and the study will follow patients to see how they do over time.
Hangzhou, ZhejiangAges Any age - NCT05523999Recruiting
Recognizing out-of-hospital cardiac arrest in emergency calls
This study looks at how emergency dispatchers and communication systems can better recognize when a person may be in cardiac arrest during ambulance call handling. It may help EMS teams act faster, potentially improving outcomes.
PontoiseAges 18 years+ - NCT05526352Recruiting
Uses brain imaging data to help manage cerebral aneurysms
This study uses medical information and imaging results to support the management of people with brain (intracranial) aneurysms. It may help improve how care decisions are made by organizing and analyzing patient data.
San Francisco, CaliforniaAges 18 years+ - NCT05527717RecruitingPhase 4
PCI vs strategy for heart attack shock needing ECMO
This study looks at the best way to reopen blocked heart arteries (using a stent procedure) in people who had a heart attack complicated by severe shock and need a life-support machine called VA-ECMO. It may help improve outcomes by testing which revascularization approach works best for multi-vessel blockages.
SeoulAges 19 years+ - NCT05529459Recruiting
Guidance method for opening heart blockages with stents
This study compares two ways of deciding how completely to open blocked heart arteries using drug-eluting stents. It aims to see which guidance approach improves results and safety for people with coronary artery disease who need a PCI (heart catheter procedure).
AnyangAges 19 years+ - NCT05530096Recruiting
Genetic test to find minimal residual myeloma in remission
This study tests a genetic technology (ClonoSeq-based) to detect very small amounts of multiple myeloma that may remain after treatment. It may help doctors better track how well treatment is working and predict how the disease responds over time.
Montreal, QuebecAges 18 years+ - NCT05530304Recruiting
Aortic arch stent procedure registry for adults
This study tracks outcomes after a specific aortic arch stent procedure using a device with three inner branches. It’s mainly a registry, meaning researchers follow people over time to learn how safe and effective the procedure is.
MünsterAges Any age - NCT05530421RecruitingPhase 2
Selinexor and Venetoclax with Dexamethasone for Myeloma
This trial studies a combination of selinexor, venetoclax, and dexamethasone to treat multiple myeloma that has returned or is resistant to prior treatments. It may help shrink the myeloma and improve disease control in people with a specific myeloma genetic marker (t(11;14)).
Coral Gables, FloridaAges 18 years+ - NCT05530512Recruiting
Acupuncture for mild to moderate high blood pressure
This study tests whether acupuncture can help lower blood pressure in people with mild to moderate hypertension. You may be asked to join because you meet age and blood-pressure ranges and have a normal heart screening ECG.
Irvine, CaliforniaAges 45–75 - NCT05531461Recruiting
Imaging study after clot removal with Tigertriever device
This study looks at brain images and thinking (cognition) after treatment to remove a large artery blood clot using the Tigertriever. It may help doctors understand how well the procedure works and how it affects long-term brain function.
Los Angeles, CaliforniaAges 18–75 - NCT05532631Recruiting
Compare stent procedure versus bypass surgery for weak heart
This study compares two ways to improve blood flow to the heart—using stents through a catheter or bypass surgery—in people with heart muscle weakness and blockages in more than one coronary artery. It may help identify which approach leads to better outcomes over at least two years.
Créteil, Val De MarneAges 18 years+ - NCT05532878Recruiting
Apixaban dosing study for people on peritoneal dialysis
This study checks how apixaban (a blood thinner) moves through the body in people who are on peritoneal dialysis and have non-valvular atrial fibrillation. It may help confirm the safest and most effective dosing for patients who have little or no remaining kidney function.
ShatinAges 18–80 - NCT05533645Recruiting
Questionnaire study about salt (sodium) intake
This study asks people to report how much salt they eat so researchers can better understand sodium intake in people with high blood pressure and/or advanced kidney disease. It may help improve how salt-related health risks are assessed, though it mainly involves questionnaires and scheduled participation.
LilleAges 18 years+
Common questions
- How many heart & circulation clinical trials are recruiting?
- Clin2 is tracking 9,989 recruiting cardiology studies from the U.S. registry right now, out of 15,300 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.