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 31 - 40 out of 44 results
Recruiting
Are you a 30- to 55-year-old smoker or non-smoker who would like to support better understanding of COPD risk factors? This study aims to find early signs of COPD in adults who have a high risk of this condition. Researchers will compare results from questionnaires, lung tests, and other tests in people who smoke and in people who do not smoke to look for factors that predict which people will develop COPD. To participate in this study, you must either currently smoke or have no history of smoking. This study takes place in multiple locations in the United States.
Adult
Accepting Healthy Volunteers
Recruiting
Are you between 14 and 22 weeks pregnant, and think that you might have obstructive sleep apnea (OSA) ? This study is testing whether using CPAP to treat obstructive sleep apnea in pregnant women can help lower the risk of hypertensive disorders during pregnancy. To participate in this study, you must be at least 18 years old. This study takes place in multiple locations in the United States.
Adult, Older Adult
Female
Recruiting
Illinois
Are you an adult who has been diagnosed with sleep apnea, prediabetes, and overweight or obesity? This study aims to understand how sleep apnea raises the risk of diabetes. The study will test whether treating sleep apnea with medicines or continuous positive airway pressure (CPAP) helps lower the risk of diabetes in people who have prediabetes. To participate in this study, you must be 20 to 65 years old. This study takes place in Chicago, Illinois.
Adult, Older Adult
Recruiting
Illinois
Are you an African American adult with type 2 diabetes? This study is testing whether mindfulness meditation can help reduce stress and improve sleep. Participants will attend eight meditation classes in person or online and will receive regular text messages to remind them to practice meditation techniques at home. This study takes place in Chicago, Illinois.
Adult, Older Adult
Accepting Healthy Volunteers
Recruiting
DIVA is a pragmatic randomized clinical trial (RCT) to determine: among (P) preterm infants born 24-27 6/7 weeks gestation undergoing extubation from mechanical ventilation, whether (I) Non-invasive neurally adjusted ventilatory assist (NIV-NAVA) (C) compared with Non-synchronized nasal intermittent positive pressure ventilation (NS-NIPPV), will reduce the incidence of (O) extubation failure within (T) 5 days (120 hours) of extubation.
Child
Recruiting
Does your child have Down Syndrome? Did they have a complete atrioventricular septal defect (CAVSD) repair within the first year of their life? Researchers in this study are investigating how the
brain develops in children with Down Syndrome who have congenital heart disease. To participate, your child must be between 5 and 12 years old and have Down Syndrome. The study will enroll children who have congenital heart disease as well as children who do not have congenital heart disease. The study is taking place in locations in Delaware, Georgia, Indiana, Massachusetts, Michigan, Missouri, New York, Ohio, Pennsylvania, South Carolina, Texas, Utah, Washington, D.C., and Toronto, Canada
Child
Accepting Healthy Volunteers
Recruiting
Indiana
Do you have severe asthma? Researchers in this study are trying to determine if a person's genetic makeup changes how a steroid used to treat asthma affects how well it works. You may be able to participate if you are between 18 and 50 years old. The study is taking place in Indianapolis, Indiana.
Adult
Recruiting
Indiana
The purpose of this study is to learn more about how the use of two different types of telemedicine (distance medical care) can address barriers to receiving comprehensive sickle cell care, and whether care can be improved.
All Ages
Recruiting
Do you have mitral valve disease? This clinical trial is testing different types of images taken of the heart to learn more about mitral valve disease and the best ways to treat it. You must be 60 years old to participate. The study is enrolling patients in locations in Arkansas, California, Georgia, Indiana, Louisiana, Maine, Maryland, Massachusetts, Michigan, Missouri, New York, North Carolina, Ohio, Pennsylvania, and Quebec City, Canada.
Adult, Older Adult