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.

FILTER BY KEYWORD

Showing 1 - 10 out of 16 results
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
New York
Are you an adult who does not have high blood pressure? Circadian rhythms control daytime and nighttime changes in blood pressure. This study is examining the links between stress, loss of sodium through urine, and circadian rhythms in controlling blood pressure. To participate in this study, you must be at least 21 years old and not have high blood pressure. This study is located in New York, New York.
Adult, Older Adult
Accepting Healthy Volunteers
Recruiting
Utah
Do you have overweight or obesity and normally sleep between 10 pm and 3 am? This study is investigating how sleep schedules and circadian rhythm misalignment can contribute to increased consumption of energy dense/prepared foods and to decreased insulin sensitivity, which can raise a person's risk of cardiometabolic risk factors. This study is located in Salt Lake City, Utah.
Adult
Accepting Healthy Volunteers
Recruiting
Florida
Are you an adult who does not have high blood pressure and is interested in research? This study will investigate how the brain regulates the body’s response to stress and how infection with HIV or pre-hypertension affects regulation. Your heart and brain activity will be measured while you are at rest, during a mentally stressful task, and while you feel angry. The study will also test whether a breathing exercise improves regulation. People with and without HIV and pre-hypertension will be included. To participate in this study, you must be between 21 and 65 years old and not have high blood pressure. This study is located in Miami, Florida.
Adult, Older Adult
Accepting Healthy Volunteers
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 must be at least 2 years old. This study is located in Bethesda, Maryland.
All Ages
Recruiting
Pennsylvania
Is your child black and 8 to 11 years old? This study is testing a way of enhancing sleep in children with the goal of preventing obesity. To participate in this study, your child must be 8 to 11 years old and must be black or African American. This study is located in Philadelphia, Pennsylvania.
Child
Accepting Healthy Volunteers
Recruiting
Maryland
Are you an African American woman at risk for diabetes? This study is testing whether using mobile health technology, such as smartphone apps and activity monitors, can help increase physical activity in African American women who are at risk for diabetes. To participate in this study, you must be an African American woman between 25 and 75 years old, have evidence of insulin resistance, and live in Prince George’s County, Maryland, or Ward 5, 7, or 8 in Washington, D.C. This study is located in Bethesda, Maryland.
Adult, Older Adult
Accepting Healthy Volunteers
Female
Recruiting
Maryland
Do you have a heart or blood vessel disease, such as peripheral artery disease? This study aims to collect data and samples from people who have a heart or blood vessel disease. This may include blood tests, ultrasound exams, and heart and lung tests. Family members and healthy people may also participate. The results may help researchers better understand PAD and other heart and blood vessel diseases. Participants must be at least 2 years old. Women who are pregnant may not take part in some study activities. This study is located in Bethesda, Maryland.
All Ages
Accepting Healthy Volunteers