Clinical trials · Washington, D.C., DC
Heart Diseases clinical trials in Washington, D.C.
We’re tracking 66 recruiting heart diseases studies with a site in or near Washington, D.C. — including Early Phase 1, Phase 1, Phase 1/Phase 2 and Phase 2 studies, each written for real people, not researchers.
Recruiting studies near Washington, D.C.
- NCT05213572Recruiting
Deep health check study for adults with sickle cell disease
This study looks at how major organs like the brain, kidneys, heart, and liver are affected in adults with sickle cell disease, whether they've had a bone marrow transplant or gene therapy, or are continuing regular treatment. You'll get detailed tests that can help doctors understand the disease better, which may lead to improved care.
Bethesda, MarylandAges 18–100 - NCT06313398RecruitingEarly Phase 1
Measuring red blood cell lifespan in sickle cell disease
This study uses a harmless vitamin (biotin) to label your red blood cells and track how long they survive. It aims to understand how different blood disorders affect red blood cell lifespan, which may help improve treatments.
Bethesda, MarylandAges 18–100 - NCT00106925Recruiting
Long-term follow-up for people after stem cell transplant
This study follows people who are at least 3 years out from their first stem cell transplant to learn how they are doing long term. It may help improve future transplant care by tracking outcomes over time.
Bethesda, MarylandAges 7–80 - NCT07566494RecruitingPhase 1
Testing VAS-101 for sickle cell disease
This early-phase trial tests a new drug called VAS-101 for people with sickle cell disease. It aims to find a safe dose and see how the drug affects the body.
Bethesda, MarylandAges 18–90 - NCT05403151Recruiting
Healthy blood vessel and control study
This study looks at healthy adults and how their blood vessels work. It may help researchers understand normal circulation so they can better compare changes in future conditions.
Bethesda, MarylandAges 18–90 - NCT03685721Recruiting
Study genes in sickle cell disease to compare blood test activity
This study looks at how a person’s genes relate to certain measurements in red blood cells in people with sickle cell disease. The goal is to understand why blood cell function varies and how that might guide future care.
Bethesda, MarylandAges 18–80 - NCT07102849Enrolling by invitation
Studying bone marrow failure with biospecimens and data
This study analyzes blood, bone marrow, and medical information from people with bone marrow failure syndromes (BMFS) and healthy volunteers to better understand these conditions and find new ways to help patients.
Bethesda, MarylandAges 2–120 - NCT00001620Enrolling by invitation
NIH screening to see which blood studies fit you
This study is a general screening step at the NIH Clinical Center to check whether you might qualify for other NHLBI research protocols. It helps match you (or a donor/healthy volunteer) to the right study and confirms you can consent to participate.
Bethesda, MarylandAges 2–100 - NCT00047996Enrolling by invitation
Blood Donation Study for Blood Vessel Research
This study collects blood and urine samples from adults to help researchers understand diseases affecting blood vessels. Your donation helps scientists develop better treatments.
Bethesda, MarylandAges 18–100 - NCT00001529Recruiting
Bone marrow cell selection method study for transplants
This study tests improved ways to select and collect bone marrow cells from healthy donors for use in transplants. Researchers are looking for healthy volunteers to donate cells that may help people who need bone marrow transplants.
Bethesda, MarylandAges 18–60 - NCT00001532Recruiting
How Genes Affect Lung Disease Development
This research study examines how genetic factors contribute to various lung diseases, including alpha-1 antitrypsin deficiency, cystic fibrosis, and chronic obstructive pulmonary disease. Researchers want to understand why some people develop lung disease and how genetics plays a role, which may help improve treatment in the future.
Bethesda, MarylandAges 2–90 - NCT01621594Recruiting
Testing new radiation methods for heart CT images
This trial studies newer ways to take heart and blood vessel CT scans while using radiation more carefully. It may help improve image quality for people needing coronary CT angiography.
Bethesda, MarylandAges 18–100 - NCT04008368RecruitingPhase 1/Phase 2
Second stem cell transplant for sickle cell with declining donor cells
This Phase 1/2 study tests whether repeating a stem cell transplant can help people with sickle cell disease (SCD) whose donor cells are no longer holding strong. It may help restore healthier blood cell production and reduce symptoms such as pain crises and severe anemia.
Bethesda, MarylandAges 2–80 - NCT01927783Recruiting
Community weight loss program for people in Washington area
This study tests a community-based behavioral weight loss program. It may help participants learn practical habits for healthier weight by working with people in local faith communities.
Bethesda, MarylandAges 19–85 - NCT05904093RecruitingPhase 1
Testing a new pill for sickle cell disease safety
This study tests a medication called fostamatinib to see if it is safe and tolerable for people with sickle cell disease. It may offer a new treatment option for managing the condition.
Bethesda, MarylandAges 18–65 - NCT00001465Recruiting
Study of lymphangioleiomyomatosis (LAM) disease process
This study looks at the natural history and disease process of lymphangioleiomyomatosis (LAM), a rare lung disease that mostly affects women. It may help understand how LAM progresses and how it affects daily life, and may include exercise testing and other evaluations.
Bethesda, MarylandAges 16–100 - NCT00943514Recruiting
Study of bronchiectasis and why infections keep coming back
This study follows children (age 5+) and adults with bronchiectasis or ongoing/repeated lung infections to learn what makes infections more likely. It mainly looks at non–cystic fibrosis causes, but may include some related conditions to compare differences.
Bethesda, MarylandAges 5–100 - NCT06923072RecruitingPhase 2
Baricitinib for neurological Kohlmeier-Degos disease
This trial tests if the drug baricitinib can help people with Degos disease that has affected their brain or nerves. It aims to control inflammation and improve symptoms.
Bethesda, MarylandAges 18–99 - NCT00001853Recruiting
Heart disease risk study in Black adults
This study looks at how obesity and blood fat (triglyceride) levels affect heart disease risk differently in Black men and women. You may join if you're a healthy Black adult between 18 and 70, without diabetes.
Bethesda, MarylandAges 18–70 - NCT01316783Enrolling by invitation
Genetics study of obesity, diabetes, and heart risk
This study looks at genetic differences in adults from African diaspora groups to better understand risks for obesity, type 2 diabetes, and heart disease. You may help scientists learn why these conditions are more common in certain communities.
Bethesda, MarylandAges 18–120 - NCT03538639Recruiting
Study blood and tissue samples for vascular disease discovery
This study collects blood (and sometimes tissue samples) from people who may have vascular (blood vessel) problems and from certain pregnant participants. Researchers use the samples to better understand vascular disease and to help guide future research.
Bethesda, MarylandAges 2–100 - NCT00471250Recruiting
Lung fluid and tissue sample collection for research
This study collects samples from your lungs and airways to help researchers better understand lung diseases. It is not a treatment study, but your participation could help improve future care for people with lung conditions.
Bethesda, MarylandAges 5–100 - NCT04216342RecruitingPhase 1
Testing a new breathing-drug ingredient in healthy adults
This early study (Phase 1) tests how safe and tolerable Fx-5A is, and how the body processes it, in healthy volunteers. It’s mainly looking to understand side effects and drug levels rather than treating a disease.
Bethesda, MarylandAges 18–99 - NCT05213598Recruiting
Biomarker study for liver disease after Fontan surgery
This study looks for blood and/or test markers that can better show how severe liver disease is in people who had the Fontan heart procedure. It also involves medical imaging and/or a liver biopsy or related procedures to help evaluate those markers.
Bethesda, MarylandAges 18–100
Hear when a new Heart Diseases trial opens near Washington, D.C., DC
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Heart Diseases trials in other cities
Where these studies are running near Washington, D.C.
Institutions with a site for the recruiting heart diseases studies listed above.
- National Institutes of Health Clinical Center · 24 studies
- Inova Schar Cancer Institute
- Suburban Hospital (Johns Hopkins Medicine)
What taking part in a heart diseases study involves
A screening visit first
Before anything else, the study team checks whether you fit — usually a visit with some tests. You can stop at any point, and screening is typically free.
Care at a nearby site
Study visits happen at a clinic or hospital taking part. Many studies cover the cost of the study treatment and related visits, and some reimburse travel.
You stay in control
Taking part is voluntary and you can leave a study at any time, for any reason, without affecting your regular care.
The team decides eligibility
Our fit check is a helpful first read, not a decision. The study team makes the final call after reviewing your health history.
Looking wider? See all recruiting heart diseases studies in District of Columbia.
Common questions
- Are there heart diseases clinical trials near Washington, D.C.?
- Yes. We're currently tracking 66 recruiting heart diseases studies with a site near Washington, D.C., each rewritten in plain language so you can see what it's testing and who it's for.
- How do I find out if I qualify for a heart diseases study near Washington, D.C.?
- Each study lists its eligibility rules — age, diagnosis, prior treatments. On every trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Do I have to live in Washington, D.C. to take part?
- Not necessarily. These studies have a site near Washington, D.C., but eligibility is about your health, not your address — some people travel to take part, and a few studies reimburse travel. The study team can tell you what's required.
- Does it cost anything to join a heart diseases trial?
- Using Clin2 is always free. Many trials cover the study treatment and related visits; some reimburse travel. The study team explains exactly what's covered before you decide.
Not the right time?
New heart diseases studies open near Washington, D.C. regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.