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 - 7 out of 7 results
Recruiting
Do you have mitral valve disease? This clinical trial is testing different types of images taken of the heart to learn more about mitral valve disease and the best ways to treat it. You must be 60 years old to participate. The study is enrolling patients in locations in Arkansas, California, Georgia, Indiana, Louisiana, Maine, Maryland, Massachusetts, Michigan, Missouri, New York, North Carolina, Ohio, Pennsylvania, and Quebec City, Canada.
Adult, Older Adult
Recruiting
Are you 15 to 40 years old and have severe sickle cell disease? This study is comparing long-term outcomes for patients who receive blood and bone marrow transplants and those who receive standard treatment with medicines. Participants also have an option of contributing blood samples to be stored for future research. Participants must be 15 to 40 years old and have severe sickle cell disease. This study is located in Madison, Wisconsin.
Child, Adult
Recruiting
Are you an adult with sickle cell disease? This study aims to determine whether monthly exchange blood transfusions (removing blood and replacing it with transfused red blood cells) can improve health and prevent or reduce the number of pain crises. To participate in this study, you must be at least 18 years old, have sickle cell disease, and have not been on a chronic exchange transfusion program for at least 2 months. This study is located in Pittsburgh, Pennsylvania.
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
Are you 65 years old or older, and do you have severe primary mitral regurgitation? This condition — also called degenerative mitral regurgitation — happens when there is a problem with the mitral valve itself or its supporting tissue, leading to a leaky valve. This study is comparing the safety and effectiveness of two different ways of repairing the mitral valve: transcatheter edge-to-edge repair and surgical repair. To participate in this study, your healthcare provider must determine that you are a candidate for both mitral valve transcatheter edge-to-edge repair and surgical repair. This study takes place in multiple locations across the United States and Canada.
Older Adult
Recruiting
Are you an adult with sickle cell disease who’s recently had a vaso-occlusive episode? This study investigates better ways for emergency departments (EDs) to manage vaso-occlusive episodes, or pain crises, in people with sickle cell disease. This study is incorporating “Individualized Pain Plans” into patients’ electronic health records to allow for faster and more accurate treatment in the ED. To participate in this study, you must be between the ages of 18 and 45 and have sickle cell disease. You must also have had at least one visit to a participating ED in the past 90 days due to pain from a vaso-occlusive episode and at least one visit at the study site sickle cell disease clinic within the past 12 months. This study takes place in multiple locations in the United States.
Adult
Accepting Healthy Volunteers
Recruiting
Are you or your child between the ages of 3 and 21 and experiencing pain episodes? This study tests a treatment called arginine therapy for pain episodes in children with sickle cell disease. Researchers are investigating how safe and effective this treatment is, as well as how arginine is metabolized in the body and its effects on cells. To participate in this study, you or your child must have sickle cell disease and pain that requires medical attention. This study takes place in multiple locations in the United States.
Child, Adult