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


Showing 1 - 2 out of 2 results
Are you an adult with sleep apnea who wants to help understand this disease by using an oral appliance? This study, which aims to understand how the upper airway collapses in obstructive sleep apnea patients during sleep, will use this information to explain why some patients present a large improvement in opening of the upper airway with the use of an oral appliance while others do not. You will have some special exams, such as an endoscopy and sleep studies. To participate, you must be 21 to 70 years old and have obstructive sleep apnea. The trial is being conducted in Boston, Massachusetts.
All Ages
Are you a Minnesota resident with hypertrophic cardiomyopathy? This study aims to find out how common it is for people with hypertrophic cardiomyopathy to also have sleep apnea. Hypertrophic cardiomyopathy is a disease that causes the heart muscle to thicken. Participants will also wear a heart rhythm monitor to help researchers learn whether sleep apnea is linked to arrhythmia. The study seeks healthy volunteers as well as participants in the Hypertrophic Cardiomyopathy Registry. To participate in this study, you must not have had a catheter ablation procedure to treat atrial fibrillation, had surgery to replace your heart valves, or been treated for sleep apnea. The study is located in Rochester, Minnesota.
Adult, Older Adult
Accepting Healthy Volunteers