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 - 8 out of 8 results
Recruiting
Minnesota
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
Recruiting
California
Are you being treated for atrial fibrillation? This study aims to compare two types of ablation treatment for patients who continue to have symptoms of atrial fibrillation despite treatment with medicines. The two ablation procedures treat different areas of tissue. To participate in this study, you must be at least 21 years old. The study is located in Palo Alto and San Diego, California.
Adult, Older Adult
Recruiting
Massachusetts
Texas
Do you know someone who will be having heart surgery? This study aims to identify what genetic patterns might cause atrial fibrillation and other adverse events that happen after heart surgery. To participate in this study, you must be between 20 and 90 years old. The study is in three locations in Massachusetts and Texas.
Adult, Older Adult
Recruiting
Did you develop atrial fibrillation after coronary artery bypass graft (CABG) surgery? Did you develop atrial fibrillation after a coronary artery bypass grafting (CABG) surgery? This study is looking at how well oral anticoagulation medicines work to prevent complications, such as blood clots and heart attack, for patients who experience post-operative atrial fibrillation (POAF). This study is in multiple locations around the country.
Adult, Older Adult
Recruiting
New York
Are you an adult with atrial fibrillation who recently had a catheter ablation procedure? This study will investigate the effectiveness of an implantable cardiac monitor-guided device to monitor participants for recurrent atrial fibrillation following ablation. This study is located in Rochester, New York.
Adult, Older Adult
Recruiting
Massachusetts
Texas
Are you an adult planning to have heart surgery at Brigham and Women’s Hospital or Texas Heart Institute? This study is looking into the genetic causes of heart problems that can happen after heart surgery, such as atrial fibrillation, myocardial infarction, renal dysfunction, and heart failure. To participate in this study, you must be between 20 and 90 years old. This study takes place in Boston, Massachusetts; and Dallas and Houston, Texas.
Adult, Older Adult
Recruiting
Do you have symptoms of a lung disease (such as long-term wet cough, bronchiectasis, or recurrent pneumonia) with no genetic diagnosis? This study aims to develop new ways to diagnose primary ciliary dyskinesia (PCD) or primary immune deficiency (PID), two conditions that can have similar symptoms. Researchers will combine information from genetic testing, lung imaging, and lung function tests to diagnose and tell the difference between these two conditions. Participants in this study must be 5 to 45 years old and must have symptoms of a serious lung disease but no diagnosis. This study is taking place at multiple locations in the United States and in Canada, including the NIH Clinical Center in Bethesda, Maryland.
Child, Adult
Recruiting
Maryland
Are you a healthy adult or someone with a history of lung infections such as pneumonia or bronchitis? This study aims to compare fluid and tissue samples from the nose and lungs of healthy adults with people who have a lung disease. Researchers hope to learn why some people are more susceptible to certain infections. This study is located at the NIH Clinical Center in Bethesda, Maryland.
All Ages
Accepting Healthy Volunteers