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 11 results
Recruiting
Maryland
Do you or your child have a lung disease? This study will investigate the genes involved in the breathing process and in the development of lung diseases such as asthma or sarcoidosis to improve understanding of the role they play. To participate in this study, you or your child must be between 2 and 90 years old. This study is located in Bethesda, Maryland, at the NIH Clinical Center.
All Ages
Accepting Healthy Volunteers
Recruiting
Indiana
Are you a woman who is postmenopausal or a man older than 65? This study will investigate the effects of oral progesterone for older women and testosterone for older men on QT intervals. QT intervals that are increased by medicine can lead to dangerous heart rhythm problems. Researchers hope to learn more about why this happens and how to deliver safer doses. This study is located in Indianapolis, Indiana.
Adult, Older 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
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
North Carolina
Are you an adult who gets little exercise and sits a lot every day? If you sit for more than 8 hours a day and exercise less than 90 minutes per week, this study may interest you. Researchers want to see if walking or standing breaks during long sitting periods can make your heart healthier. To take part in this study, you must be 36 to 55 years old. You also should be able to walk four blocks and go up two flights of stairs. The study is taking place in Chapel Hill, North Carolina.
Adult
Accepting Healthy Volunteers
Recruiting
Wisconsin
The purpose of the research is to understand structural plaque abnormalities that make a carotid plaque unstable and brake off (embolize) which would help to predict and treat individuals who are likely to suffer not only classic episodic major strokes but also cognitive impairment.
Adult, Older Adult
Recruiting
California
Missouri
Are you an adult with carotid artery stenosis (CAS)? Researchers in this study want to learn more about the plaque that causes atherosclerosis in patients with carotid artery stenosis. To be in the study, you must be at least 18 years old and will undergo a carotid positron emission tomography (PET)/magnetic resonance imaging exam so researchers can lean more on the new PET imaging approach for risk prediction in these patients. The study is taking place Saint Louis, Missouri, and in Los Angeles, California.
Adult, Older Adult
Recruiting
Minnesota
Are you an adult who has uncontrolled high blood pressure? This study will see whether an early notification system for health professionals can help manage patients’ high blood pressure, especially among those who have had a stroke or have an increased risk of stroke. To participate in this study, you must be between 18 and 85 years old and have high blood pressure that is not controlled by medicine and lifestyle changes. This study is enrolling native English, Spanish, or Hmong speakers. The study is located in Minneapolis, Minnesota.
Adult, Older Adult