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Background: Tics are involuntary movements and vocalizations. Some tics are organic: They are related to diagnosed disorders. Sometimes tics have other causes, such as problems with how the brain and body send and receive messages. These are called functional tics. It can be dif…

Background: As of 2021, almost 45 million people in the United States were foreign-born immigrants. South Asians, including people from Bhutan, are the fastest-growing immigrant subgroup in the US. Their income and education levels are higher than the US average. Yet they have w…

Irritant dermatitis is one of the most common inflammatory skin disorders, caused by exposure to external substances that induce inflammation and immune activation. Standard management includes avoidance of irritants, restoration of the skin barrier using emollients, and the appl…

Background: Abnormal fats in the blood can lead to many problems, including heart disease. Researchers want to learn more about how eating meals with different levels of nutrients affects fats in the blood. Specifically, they want to study people with too much body fat, too litt…

Study Description: ELEA is an observational cohort study that will collect exposure information and biospecimens from the adult children of the Agricultural Health Study (AHS) cohort (https://aghealth.nih.gov/about; Protocol OH93NCN013). The primary hypothesis is that early lif…

Background: Diabetes and obesity are chronic diseases. They can affect blood flow and how the body processes nutrients, and complications over time can lead to early death. Diabetes can affect children as well as adults, but the disease seems to be more severe and to progress fa…

Background: Pulmonary hypertension (PH) is high blood pressure in the blood vessels of the lungs. It can lead to heart failure and death if not treated. Researchers want to create a repository of blood samples and health information collected from people with PH. They hope to us…

Background: Human immunodeficiency virus (HIV) infection can affect areas of the brain that control thinking ability. These same areas of the brain also control the sense of smell. HIV infection is common in people with substance use disorder (SUD). SUD also affects thinking abi…

Nitrous oxide (laughing gas, N₂O) is the third most commonly used recreational drug among young people in the UK. Although it may seem harmless, frequent use can damage the nerves and spinal cord. Vitamin B12 injections can help treat these neurological complications, but continu…

The purpose of this study is to assess the cardiopulmonary, hemodynamic, and symptom responses to acute bouts of varying intensity aerobic and resistance exercise in people with Spontaneous Coronary Artery Dissection (SCAD) and/or Fibromuscular Dysplasia (FMD).

Depression is a common mental health condition that affects millions of people worldwide and is a leading cause of disability. Although current treatments can be effective, many patients do not fully recover or experience long-term improvement. This study aims to better understan…

This is an open-label, prospective, multicenter observational study designed to evaluate the perceived benefits, device experience, preference, and glucose-related parameters associated with the Instara-1 Continuous Glucose Monitoring device. The study will include patients with …

For many years, people with moderate to advanced chronic kidney disease (CKD) have been advised to limit their intake of potassium, a mineral found in many foods such as fruit, vegetables, legumes, whole grains, and nuts. The reason for this has been the risk of hyperkalemia, a c…

The goal of this clinical trial is to learn whether daily intake of lactic acid bacteria fermented or unfermented legumes can improve metabolic and gut health in healthy adults. The main questions it aims to answer are: * Does eating 100 g per day of legumes for 2 weeks lower b…

This phase I trial tests the safety, best dose, and effectiveness of revumenib given as maintenance therapy after standard hematopoietic stem cell transplant (HSCT) in patients with acute lymphoblastic leukemia, acute myeloid leukemia, or mixed phenotype acute leukemia. Revumenib…

The purpose of the CASCADE-3002 project is to improve access to cervical cancer screening among women with Human Immunodeficiency Virus (HIV) receiving care at U.S.-based CASCADE clinical sites. This study will assess the cervical cancer screening cascade and identify multilevel …

The investigators are proposing a new team-based shared decision-making (SDM) program. The goal of this study is to see whether this program is practical and whether it may help adults with cardiometabolic risk factors and cardiovascular-kidney-metabolic syndrome. The investigato…

Congenital thrombotic thrombocytopenic purpura (cTTP) is a rare blood disorder that some people are born with. It is caused by inherited changes in the ADAMTS13 gene that reduce the body's ability to produce the ADAMTS13 enzyme. ADAMTS13 normally cleaves ultra-large multimers of …

The goal of this study is to finalize a version of the Safety Planning Intervention suitable for 6-12-year-old children. This intervention provides individuals with strategies to reduce the risk of suicidal behavior. The main questions it aims to answer are: 1. Does the interve…

This is an open, two-part study in healthy male volunteers, aged 30-65 years. This trial aims to understand how the human body absorbs, distributes, metabolizes and eliminates ontunisertib after a single oral dose of radiolabelled test medicine (\[14C\]ontunisertib) and determin…