Clinical Trials

Are you an adult with atrial fibrillation? In this study, researchers are comparing a continuous direct oral anticoagulation (DOAC) use versus time-limited (1 month) DOAC guided by an AF-sensing Smart Watch (AFSW) for persons with atrial fibrillation and a moderate risk of stroke. Participants must be between the ages of 22 and 85 and have a history of atrial fibrillation. The study is taking place at locations in California, Colorado, Florida, Georgia, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Texas, Virginia, Wisconsin, and Washington, D.C.

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.

Are you a former smoker with COPD? Researchers are studying whether taking aspirin can help with COPD symptoms. Participants must be at least 40 years old, be diagnosed with COPD, and have a history of smoking at least 10 packs of cigarettes a year. The study is taking place in Baltimore, Maryland.

Are you an adult diagnosed with COPD? If so, you may be able to participate in a clinical trial where researchers are studying whether a home delivery program with foods meant to help increase the amount of omega-3 that you eat can help with COPD. You must be at least 40 years old and diagnosed with COPD to participate. The study is taking place in Baltimore, Maryland.

Do you or your child have a lung disease? This study will investigate the genes involved in the breathing process and in the development of lung diseases such as asthma or sarcoidosis to improve understanding of the role they play. To participate in this study, you or your child must be between 2 and 90 years old. This study is located in Bethesda, Maryland, at the NIH Clinical Center.

Are you an adult with a lung disease such as COPD, chronic bronchitis, cystic fibrosis, or emphysema? This study aims to discover if low-dose computed tomography (CT) scans are as effective as regular CT scans in monitoring your COPD. This study is located in Bethesda, Maryland, at the NIH Clinical Center.

This study is evaluating the dynamics of red blood cell lysis, pfH, protective proteins and organ injury, limits will be set for safe levels of pfH following the use of CPB.

Are you a healthy adult between the ages of 18 and 60? For this study, researchers are testing a new medication to treat a lung injury called pulmonary arterial hypertension. First, researchers will test the medication to see how it affects healthy people. To participate, you must be a healthy adult between the ages of 18 and 60. The study will take place at the National Institutes of Health Clinical Center in Bethesda, Maryland.

The investigators' central hypothesis is that early combination therapy with two PAH-specific oral therapies that have been shown to be well tolerated in the pediatric population, sildenafil and bosentan, will result in better World Health Organization (WHO) functional class at 12 months after initiation of PAH treatment than therapy with sildenafil alone.

Has your doctor recommended right heart cardiac catheterization for you? This study is investigating new magnetic resonance imaging (MRI) techniques that use a guidewire to help position a heart catheter within the heart. MRI fluoroscopy shows pictures of the heart so that doctors can watch while they work. Using the guidewire during MRI may improve the procedure of heart catheterization. To participate in this study, you must be at least 18 years old, and your doctor must have recommended right heart catheterization for you. This study is located in Bethesda, Maryland.