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.

FILTER BY KEYWORD

Showing 21 - 30 out of 50 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
Alabama
Georgia
Texas
Have you or your child been diagnosed with cystic fibrosis, and are you interested a trial medicine already in use for some people living with the condition? A medicine called Trikafta is used to treat cystic fibrosis that is caused by a specific gene mutation. This study is testing whether Trikafta can also be used to treat cystic fibrosis that is caused by other gene mutations. Participants in this study must be at least 12 years old. This study takes place in Birmingham, Alabama; Atlanta, Georgia; and Houston, Texas.
All Ages
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
Connecticut
Do you have heart failure that is well controlled through medication and attending regular appointments with your healthcare provider? This clinical trial is testing a dietary supplement taken by mouth twice a day for five days to see if it can help patients with heart failure. You must be at least 18 years old to participate. The study is taking place in New Haven, Connecticut.
Adult, Older Adult
Recruiting
Connecticut
Massachusetts
New York
Do you have heart failure? In this clinical trial, researchers are using images of the heart and blood tests to learn more about Black and Hispanic patients with heart failure. You may be able to participate if you are at least 60 years old; of Black, Hispanic, or Caribbean origin; and have been diagnosed with heart failure. The study is taking place in locations in Connecticut, Massachusetts, and New York.
Adult, Older Adult
Recruiting
Connecticut
Do you have endometriosis? Researchers in this clinical trial are studying the effect of therapy that lowers estrogen levels on the risk of cardiovascular disease among women with endometriosis. To join the study, you must be between the ages of 18 and 45. The study is enrolling women with endometriosis, as well as women without endometriosis. The study is taking place in New Haven, Connecticut.
Adult
Accepting Healthy Volunteers
Female
Recruiting
Do you or one of your children have a congenital heart defect? This study will find both common genetic causes of congenital heart disease and ways that genes influence results of medical treatment. To participate in this study, you or your child must have congenital heart disease. This study is located in Los Angeles, Palo Alto, and San Francisco, California; New Haven, Connecticut; Boston, Massachusetts; New York and Rochester, New York; Philadelphia, Pennsylvania; and Salt Lake City, Utah.
All Ages
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
Connecticut
Are you an adult with heart failure and an implanted CardioMEMS pulmonary artery pressure (PAP) monitor? This study is investigating whether psychological stress can make the symptoms of heart failure worse. Participants of this study will have their blood pressure monitored and their blood drawn after undergoing mental stress in a controlled setting, within a laboratory. To participate in this study, you must be at least 18 years old. This study takes place in New Haven, Connecticut.
Adult, Older Adult
Recruiting
Connecticut
Do you have heart failure and need treatment with intravenous (IV) diuretics? This study is exploring the use of chloride supplementation in people with heart failure who require treatment with IV diuretics, which are used to help rid your body of excess water and salt. To participate in this study, you must have heart failure with signs of volume overload (rales, edema, elevated jugular venous pressure [JVP], or weight gain of at least 5 pounds) requiring treatment with IV diuretics. This study takes place in New Haven, Connecticut.
Adult, Older Adult