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 11 - 20 out of 49 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
Have you or your child been diagnosed with cystic fibrosis, and would you like to support better diagnosis of lung infections? This study is exploring new ways to diagnose bacterial lung infections in people who have cystic fibrosis. The study will test whether analyzing a participant’s breath and sputum samples can help diagnose infections. Participants in this study must be at least 3 years old. This study is taking place in multiple locations in the United States.
All Ages
Recruiting
Arizona
Is your child an individual with Down syndrome and obstructive sleep apnea? This study is examining whether a combination medication therapy that includes atomoxetine and oxybutynin can help treat obstructive sleep apnea in children with Down syndrome. Participants in this study must be between 6 and 17 years old. This study takes place in Tucson, Arizona.
Child
Recruiting
Colorado
Are you scheduled for cardiac bypass surgery? Cardiac surgery is effective for improving the health of patients with cardiovascular disease, but many patients experience complications. In this clinical trial, researchers are collecting data to learn how different types of bypasses affect patients. You must be 50 to 70 years old to participate and be scheduled for elective cardiac surgery. The study is taking place in Aurora, Colorado.
Adult, Older Adult
Recruiting
Are you an adult female with LAM? If so, you may be able to participate in this clinical study where researchers are observing patients who are taking or have taken a certain kind of medication, mammalian target of rapamycin (mTOR), to treat lymphangioleiomyomatosis, also known as LAM. You must be at least 18 years old to take part. The study is taking place at locations in California, Colorado, Florida, Georgia, Illinois, Massachusetts, Michigan, Minnesota, Missouri, New York, Ohio, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Utah, and Washington.
Adult, Older Adult
Female
Recruiting
Are you at least 18 years old and have been told by your doctor that you need a procedure called transcatheter aortic valve replacement? This study will test a new device designed specifically for use during a procedure called transcatheter aortic valve replacement. Researchers want to make transcatheter aortic valve replacement safer. To be in the study, you must be at least 18 and need a transcatheter aortic valve replacement. The study will take place in locations in California, Georgia, Massachusetts, New York, Virginia, Washington, and Washington, D.C.
Adult, Older Adult
Recruiting
This project will determine the health impact of parenthood on people with cystic fibrosis (CF). The study team will use retrospective data to provide relatively immediate evidence on parenthood's effect on pulmonary health.
Adult, Older Adult