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 131 - 140 out of 144 results
Recruiting
Wisconsin
Do you have a high-risk pregnancy? This study will investigate the use of a non-invasive scan called fetal magnetocardiography to detect potential problems in the fetus in five high-risk pregnancy conditions associated with stillbirth. The scan is normally used to look at fetal heart rhythms. To participate in this study, you must be at least 18 years old and pregnant with one of the following: having a stillbirth in a previous pregnancy, carrying identical twins, or having a fetus that has been diagnosed with major congenital heart disease, fetal hydrops, or fetal gastroschisis. This study takes place in Madison and Milwaukee, Wisconsin.
Adult, Older Adult
Female
Recruiting
Are you pregnant and have had preeclampsia before? This study aims to assess the use of statins to prevent preeclampsia among women who delivered at or before 34 weeks in a previous pregnancy due to preeclampsia. To participate in this study, you must be at least 16 years old, expecting a single baby or twins, and between 12 and 17 weeks pregnant.
All Ages
Female
Recruiting
Are you or a loved one hospitalized with serious heart failure? This study is comparing the effectiveness of two medicines, torsemide and furosemide, in treating serious heart failure in patients who are hospitalized. Torsemide and furosemide are medicines used to treat heart failure by removing excess water in the body. To participate in this study, you must be at least 18 years old and hospitalized because of serious heart failure.
Adult, Older Adult
Recruiting
Minnesota
Are you interested in exercise training for your heart failure with preserved ejection fraction? This study aims to test whether a medicine called sodium nitrite can help reduce exercise intolerance in people who have heart failure with preserved ejection fraction. Exercise intolerance occurs when a person is unable to exercise at a normal level or length of time. You will be randomized to receive either sodium nitrate or a placebo while taking part in cardiac rehabilitation for exercise training. To participate in this study, you must be at least 40 years old, diagnosed with heart failure with preserved ejection fraction, and have shortness of breath. This study is located in Rochester, Minnesota.
Adult, Older Adult
Recruiting
Do you want to help find new treatments for heart failure with preserved ejection fraction? This study is testing whether a medicine called spironolactone can help treat heart failure with preserved ejection fraction when paired with the standard treatment. Spironolactone helps to remove excess water and sodium from the body. To participate in this study, you must be between 50 and 99 years old and diagnosed with heart failure with preserved ejection fraction.
Adult, Older Adult
Recruiting
Pennsylvania
Do you have heart failure with reduced ejection fraction and thyroid problems? This study will test whether hormone therapy with liothyronine is safe and effective for treating people who have heart failure with reduced ejection fraction and low triiothyronine (T3) syndrome. Low T3 syndrome is a type of thyroid hormone that helps control many functions of your body. To participate in this study, you must be at least 18 years old and diagnosed with heart failure with reduced ejection fraction. This study is located in Philadelphia, Pennsylvania.
Adult, Older Adult
Not yet recruiting
New York
Are you a professional caregiver for an adult who has serious heart failure? This study is testing whether electronic educational resources, in addition to in-person training , help home aids be more knowledgeable and confident in caring for adults who have serious heart failure. To participate in this study, you must be between 18 and 75 years old, be employed at Visiting Nurse Service of New York's Partners in Care agency, and care for an adult who has heart failure. This study is located in New York, New York.
Adult, Older Adult
Recruiting
Iowa
El objetivo de este estudio es comprender por qué algunos bebés prematuros tienen baja presión arterial mediante el estudio de los cambios en el corazón y los pulmones durante la primera semana de vida en los bebés prematuros que tienen presión arterial baja o no. Los investigadores esperan que los resultados mejoren el monitoreo de los patrones de circulación sanguínea de los recién nacidos. Para participar en este estudio, su recién nacido debe haber pesado 1 kilogramo (2,2 libras) o menos en el nacimiento, tener menos de 1 semana de edad y estar recibiendo atención en una unidad de cuidados intensivos neonatales. Este estudio se lleva a cabo en Houston (Texas).
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
New Jersey
Do you have metabolic syndrome? This trial is testing whether low-intensity exercise or high-intensity exercise works best to lower the risk of heart and blood vessel diseases in people who have metabolic syndrome and are taking a medicine called metformin to treat high blood sugar levels. To participate in this study, you must be between 40 and 80 years old and diagnosed with metabolic syndrome but not type 2 diabetes. This study takes place in New Brunswick, New Jersey.
Adult, Older Adult