Find NHLBI Clinical Trials

Search selected NHLBI-supported clinical trials and observational studies by condition, location, or age group. You can also view the complete list of NHLBI-funded studies at ClinicalTrials.gov.

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Showing 1 - 10 out of 36 results
Recruiting
Tennessee
Do you have a family history of high cholesterol? Researchers are studying whether a particular medication can lower cholesterol in people with a family history of high cholesterol. You may be able to participate if you are 18 to 69 years old, have not had a heart attack or stroke recently, and do not have uncontrolled high blood pressure. This study will take place in Nashville, Tennessee.
Adult, Older Adult
Recruiting
New York
Are you an adult with Type 1 diabetes? If so, you may be able to participate in a clinical trial where researchers are studying the effect of lowering cholesterol on blood platelets and white blood cells. You may be able to participate if you are 18 to 89 years old, have type 1 diabetes, and are willing and able to receive injections and take medications that may lower your cholesterol. The study is taking place in New York City, New York.
Adult, Older Adult
Recruiting
Maryland
Do you or does your child have a lipid disorder and want to improve future diagnosis and treatment? This study is exploring how different diagnostic tests can help us understand how lipid disorders, including high blood cholesterol, affect the body. Information from this study may help improve the way lipid disorders are diagnosed or treated in the future. To participate, you or your child must be at least 2 years old. The study is being conducted in Bethesda, Maryland.
All Ages
Recruiting
Maryland
Do you or your child have dyslipidemia? This study is exploring how different diagnostic tests can help us understand how lipid disorders, including high blood cholesterol and high blood triglycerides, affect the body. Information from this study may help improve the way lipid disorders are diagnosed or treated in the future. Participants in this study must be at least 2 years old. The study is being conducted in Bethesda, Maryland.
All Ages
Recruiting
Texas
Are you an adult who is healthy or has problems with the level of cholesterol or other lipids in the blood? This study is gathering information on the risk factors for very high or very low levels of lipids, or fats, in the blood. Researchers will collect participants’ demographic information, medical history, and blood samples. To participate in this study, you must be at least 18 years old. This study takes place in Dallas, Texas.
Adult, Older Adult
Accepting Healthy Volunteers
Recruiting
Maryland
Has your doctor recommended right heart cardiac catheterization for you? This study is investigating new magnetic resonance imaging (MRI) techniques that use a guidewire to help position a heart catheter within the heart. MRI fluoroscopy shows pictures of the heart so that doctors can watch while they work. Using the guidewire during MRI may improve the procedure of heart catheterization. To participate in this study, you must be at least 18 years old, and your doctor must have recommended right heart catheterization for you. This study is located in Bethesda, Maryland.
Adult, Older Adult
Recruiting
Illinois
Are you an adult with a diagnosed sleep phase disorder? This study aims to assess the sleep patterns and quality of sleep in people who have sleep phase disorders to determine how the disorders affect their circadian rhythms. To participate in this study, you must be at least 18 years old and have a sleep phase disorder, such as advanced sleep-wake phase syndrome or delayed sleep-wake phase syndrome. This study is located in Chicago, Illinois.
Adult, Older Adult
Recruiting
New York
Do you have overweight? Circadian rhythm disorders can cause overweight and obesity. This study is examining how not getting enough sleep causes these complications. To participate in this study, you must be between the ages of 20 and 40 and have overweight but not obesity. This study is located in New York, New York.
Adult, Older Adult
Accepting Healthy Volunteers
Recruiting
Minnesota
Are you a healthy adult who regularly sleeps for 6.5 or fewer hours? This study is examining whether getting enough sleep can lower your risk of high blood pressure. To participate in this study, you must be between 18 and 65 years old, regularly sleep for 6.5 or fewer hours, and be able to adjust your sleep schedule for the study. This study is located in Rochester, Minnesota.
Adult, Older Adult
Accepting Healthy Volunteers
Recruiting
Georgia
Are you a woman with coronary microvascular dysfunction? In this clinical trial, researchers are studying coronary microvascular dysfunction, which occurs when there are problems in the small blood vessels in the heart. It frequently causes chest pain and is more common in women. The researchers want to learn how daily life and mental stress affect the heart. You may be able to participate if you are at least 45 years old, have gone through menopause, and are willing to undergo tests to measure your stress level. The study is taking place at locations in Atlanta, Georgia.
Adult, Older Adult
Female