Clinical trials
Vascular clinical trials
Below are recruiting vascular clinical trials, each written for real people, not researchers. We’re tracking 591 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04101188Recruiting
Study how extra potassium affects blood vessels
This study looks at how eating more potassium may protect blood vessels in healthy people. You may be eligible if you have normal blood pressure and a normal heart rhythm test, and you do not have certain health conditions.
Newark, DelawareAges 18–45 - NCT03253705Recruiting
Donate small blood samples to study heart and inflammation health
This study collects small blood samples (and sometimes samples during treatment) to help researchers understand diseases involving the heart, inflammation, and blood vessel function. It may help improve future tests and treatments by giving scientists usable human data.
Bethesda, MarylandAges 18–100 - NCT05289063RecruitingPhase 1
Study new sleep apnea and blood vessel function
This Phase 1 study looks at how blood vessel function is affected by obstructive sleep apnea in adults who are newly diagnosed and have not used CPAP. It may help researchers understand the early effects of sleep apnea and guide future treatments.
New York, New YorkAges 18 years+ - NCT03672760Recruiting
Breathing training app for heart vessel stiffness and stress signals
This study tests whether an inspiratory (breathing-in) muscle training program using the CardioBreath app can improve heart blood-vessel stiffness and “stress/autonomic” signaling. It targets people with a specific hormone pattern and activity level, while avoiding several common health conditions that could affect safety or results.
Porto Alegre, Rio Grande do SulAges 45–65 - NCT06490146Recruiting
Menopause, hormones and blood vessel health
This study looks at how the change in hormones during menopause affects blood vessel and nerve health. It involves two visits to test how your body responds to certain changes, helping researchers understand women's heart health during this life stage.
Minneapolis, MinnesotaAges 45–55 - NCT06159608RecruitingEarly Phase 1
E-cigarette effects on blood vessels in young adults
This study looks at how e-cigarettes affect blood vessels in young adults. Researchers want to compare first-time vapers, experienced vapers, and non-vapers to see if there are differences between men and women.
Iowa City, IowaAges 18–24 - NCT05812248Recruiting
Tracking heart and blood vessel events after major non-heart surgery
This study follows people after major surgery to see what predicts heart and blood vessel problems later. It does not test a new drug; it mainly collects health information to help clinicians reduce risk.
Guangzhou, GuangdongAges 45 years+ - NCT07237971Recruiting
Making medicine use better in Elche
This study works with the community to find ways to use medications like antidepressants, blood pressure drugs, and antibiotics more wisely. It is a collaboration among residents, healthcare workers, and local groups to create solutions together.
Elche, AlicanteAges 18 years+ - NCT06745466RecruitingPhase 4
Stress, sleep, and hormones on heart health in midlife women
This study looks at how daily stress, sleep, and sex hormones affect blood vessel aging in women aged 40–55 who are still having regular periods. It may help understand why heart disease risk increases during this time.
Newark, DelawareAges 40–55 - NCT07525518Enrolling by invitation
Okami Medical Device Patient Registry
This is a registry—a database that tracks patient outcomes—for people receiving Okami Medical devices. By joining, you help doctors understand how well these devices work and whether they're safe over time.
Aurora, ColoradoAges 18 years+ - NCT07084740Recruiting
Study of blood flow in skin flaps for reconstruction
This study looks at how blood flows through special skin flaps used in reconstructive surgery. It may help doctors better understand and predict how these flaps heal, especially for people who need repair after injuries or pressure sores.
MontpellierAges 18–70 - NCT05708430RecruitingPhase 2
Test stem-cell mixture injection for painful thumb arthritis
This Phase 2 study tests how safe an injection made from your own body fat cells (stroma vascular fraction) is in people with painful arthritis at the base of the thumb. It also looks at whether pain and hand function improve after the injection.
AmiensAges 18 years+ - NCT06753916RecruitingPhase 2
Trial of a new treatment for high-risk cornea transplants
This study tests a new approach to help prevent cornea transplant failure in people with high-risk conditions, such as blood vessels growing into the cornea. It aims to see if this treatment can improve transplant success.
Irvine, CaliforniaAges 18 years+ - NCT07527351Recruiting
Testing a laser imaging tool for gum health assessment
This study tests a new laser imaging technology that measures blood flow in gum tissue to see if it's accurate and reliable. Researchers want to understand if this tool could help dentists better assess gum health and healing after surgery.
Madrid, MadridAges 18 years+ - NCT07707427Recruiting
Comparing two guidewires for twisted wrist arteries during heart tests
This trial compares two different types of thin wires (guidewires) used during a coronary angiogram to see which one works better when your wrist artery has a twist or loop. The goal is to make the procedure smoother and safer for people with this common variation.
PátraiAges 18 years+ - NCT04792320Recruiting
Probiotics and fiber for kidney disease with leg artery blockage
This study tests whether an oral absorbent plus probiotics can improve gut health and circulation in people who have chronic kidney disease and symptomatic peripheral artery disease (PAD). It will also track changes in blood markers and how well blood vessels function.
TaipeiAges 20 years+ - NCT07477860RecruitingPhase 1
Achilles tendon pain treatment trial
This trial tests a minimally invasive treatment for chronic Achilles tendon pain that hasn't improved with at least 3 months of rest, therapy, or other non-surgical care. It aims to help people who want to avoid surgery.
Libertyville, IllinoisAges 25–80 - NCT07125001Recruiting
Mango study for Hispanic/Latino teens' health
This study looks at whether eating mango every day for 12 weeks can improve gut health and heart health in Hispanic/Latino teens who are overweight. Participants will be asked to eat a mango product and take daily photos.
Davis, CaliforniaAges 12–19 - NCT06985394Recruiting
Blood vessel health and stress in emergency responders
This study looks at how shift work affects blood vessel function and oxidative stress in emergency medical responders. It may help understand why first responders have higher risk for heart problems.
Newark, DelawareAges 20–40 - NCT06455566Enrolling by invitation
Placing a leadless pacemaker through the right neck vein
This study is testing a new way to place a small, wire-free pacemaker through a vein in the neck. It may be an option if you need a pacemaker and your doctor says a leadless one is suitable for you.
AngersAges 18 years+ - NCT07379970Recruiting
Wearable devices and coaching for adults with central obesity
This study tests whether wearing a fitness tracker and getting health coaching by phone or video can help adults with central obesity become more active and improve their heart health. It lasts for 6 months and is run by the University of Hong Kong.
Hong KongAges 40 years+ - NCT07361055Enrolling by invitation
Heart ablation study using no X-ray
This trial tests a new way to treat a fast heart rhythm called PSVT using a procedure that avoids X-ray radiation. It aims to see if this approach is safer and works well for patients who need this treatment.
TaipeiAges 18 years+ - NCT05300971Recruiting
Heat therapy to lower blood pressure in midlife and older adults
This study tests whether regularly using passive heat can lower your systolic blood pressure (the top number) and improve how your blood vessels work. If you’re eligible, you may be randomly assigned to try the heat therapy as a 6-month program.
Boulder, ColoradoAges 40 years+ - NCT06828380RecruitingPhase 2
Immunotherapy with or without radiation for liver cancer
This trial tests whether using immunotherapy alone works as well as immunotherapy combined with radiation for liver cancer that has spread into major blood vessels. The goal is to find the best treatment option for people with this specific type of advanced liver cancer.
GoyangAges 19 years+
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Common questions
- Are there clinical trials for vascular?
- Yes. Clin2 currently lists 591 recruiting vascular studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a vascular trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a vascular trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.