Featured Studies

Do you... Find yourself constantly checking things? Spend lots of time ordering your belongings? Have unusual rituals or habits that seem unnecessary? Do you blurt out comments at inappropriate times, interrupt conversations or speak out of turn or feel you are overly impulsive? The National Human Genome Research Institute (NHGRI) is conducting an outpatient research study on the links between compulsivity, impulsivity and the developing brain in children and young adults.

Dr. Kevin Hall and his team at the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) are seeking male volunteers aged 18-65 and female volunteers aged 18-50 for a study on how low-carb (ketogenic) diets, with or without an investigational dietary supplement called Nicotinamide Riboside, impacts energy levels and metabolism during sleep.

A research study at the National Institutes of Health (NIH) is is investigating how dietary habits affect our intestinal microorganisms by studying the effects of Mediterranean-like unprocessed (CLEAN-MED) diet. Participants will be divided into two groups, depending on their interest in trying out the diet for 4 weeks or maintaining a new healthy diet over months, and will be provided with some foods. Participants will log the food they eat and answer questions about their diet throughtout the study. Food and research supplies and procedures are provided at no cost.

Researchers at the National Institutes of Health are investigating the role of Near-Infrared Spectroscopy (NIRS) technologies as a monitoring tool for measuring oxygen levels, blood flow, and the make-up of skin and muscle in patients with sickle cell disease (SCD). In this study, researchers will compare NIRS measurements in people with and without SCD.

Malaria is a dangerous disease that impacts hundreds of millions of people in Africa, Asia, and Latin America. It can cause severe disease and even death. Researchers at NIH's Laboratory of Malaria Immunology and Vaccinology are seeking healthy volunteers to be part of a malaria vaccine research study.

A research study at the National Heart Lung and Blood Institute (NHLBI) is looking for pregnant women between 18 and 45 years of age who are at risk of having an infant with sickle cell disease and women who are pregnant with no risk of having an infant with sickle cell to donate their baby's cord blood. Tests and procedures provided at no cost. Travel may be reimbursed.

Healthy volunteers 18-60 years old are needed to test an investigational drug that was developed to reduce blood pressure in the lungs. The PAH team from @NHLBI hope that this investigational study drug may be helpful in treating patients with PAH in the future.

A study at NIH is recruiting healthy African Americans and African-born individuals to better understand diabetes and heart disease risk in Black populations. If you are African American or African-born Black between the ages of 18 and 70 years.