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 1 - 10 out of 23 results
Recruiting
Maryland
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.
Adult, Older Adult
Recruiting
Maryland
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.
Adult
Recruiting
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.
Child, Adult
Recruiting
Maryland
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.
Adult, Older Adult
Recruiting
Maryland
Are you an adult interested in a new treatment for pulmonary hypertension? This study is exploring whether a medicine called spironolactone can improve heart and lung function during exercise in people who have pulmonary hypertension. To participate in this study, you must be 18 to 99 years old and have a type of pulmonary hypertension known as pulmonary arterial hypertension. This study is located in Bethesda, Maryland.
Adult, Older Adult
Recruiting
Missouri
Is your newborn in the neonatal intensive care unit at St. Louis Children’s Hospital? This study aims to better understand breathing problems and blood flow through the heart in premature newborns to better detect conditions such as pulmonary hypertension. To participate in this study, your newborn must have been born prematurely between 24 and 29 weeks’ gestation and be a patient in the Neonatal Intensive Care Unit at St. Louis Children’s Hospital. This study is located in St. Louis, Missouri.
Child
Recruiting
Maryland
Este estudio explora si un medicamento llamado espironolactona puede mejorar la función cardíaca y pulmonar durante el ejercicio en personas con hipertensión pulmonar. Para participar en este estudio, debe tener entre 18 y 99 años y un tipo de hipertensión pulmonar conocido como hipertensión arterial pulmonar. Este estudio se lleva a cabo en Bethesda (Maryland).
Adult, Older Adult
Recruiting
Maryland
Are you or your child at least 13 years old and have sickle cell disease? In this stidy, researchers are trying to find out if a new medication improves the success of a blood stem cell transplant. People 13 years old or older who are eligible for a blood stem cell transplant to treat sickle cell disease may be able to participate. Healthy family members over age 13 who are matched to transplant recipients are also needed to donate blood for the study. This study is taking place at the National Institutes of Health Clinical Center in Bethesda, Maryland.
All Ages
Accepting Healthy Volunteers
Recruiting
Maryland
Are you at least 18 years old and have sickle cell disease and taking the medication Hydroxyurea? For this study, researchers testing are tool for measuring oxygen levels, blood flow, and the makeup of skin and muscle in patients with sickle cell disease. To participate in this study, you must be at least 18 years old and have sickle cell disease and also be taking the medication Hydroxyurea. This study is taking place at the National Institutes of Health Clinical Center in Bethesda, Maryland.
Adult, Older Adult
Recruiting
Maryland
Are you at least 18 years old and have sickle cell disease? People with sickle cell disease often have problems with their heart, brain, kidneys, liver, and lungs as they age. These problems may improve after transplant. Researchers in this study are trying to learn how and why this happens. To participate in this study, you must be at least 18 years old and have sickle cell disease. You must also have a history of problems with your heart, lungs, or other criteria that the study doctor will discuss with you. This study is taking place at the National Institutes of Health Clinical Center in Bethesda, Maryland.
Adult, Older Adult