Find your next paid study
694 recruiting studies matching your filters
Sociocultural & Biobehavioral Influences on Pain Expression and Assessment
Objective The current proposal investigates behavioral, psychophysiological, and social processes that may help explain biases and disparate outcomes in pain.…
Pharmacokinetic (PK) Study of Phytochemicals in Whole Grains (WGs)- Corn
The purpose of this research study is to identify biomarkers of whole grain (WG) corn intake following an acute exposure in a pharmacokinetic (how the body abs…
PET Imaging of Noradrenergic Transmission in the Brain
Background: Researchers have developed a new radioactive tracer (11C-ARMI). A tracer is a drug that attaches itself to other chemicals in the body and lights …
An Observational Study of Visual Attention, Object Recognition, and Eye Movements in Healthy Volunteers
Background: Vision is vital for many of our daily activities. Researchers want to learn more about how we aim our eyes (that is, what images, such as faces, i…
Survey to Determine Incarcerated Persons Views on Surrogate Decision-Making
Background: About 180,000 of the people in US prisons are over 55 years old. Aging people often cannot make medical decisions on their own. People who cannot …
The Neurobiology of Suicide
Background: There are no good treatments for people considering suicide. Researchers want to study suicide with questions, blood tests, brain imaging, and sle…
Role of Theta Frequency Oscillations in Proactive and Reactive Control Processes in Youth With Attention Deficit Hyperactivity Disorder (ADHD) and Obsessive Compulsive Disorder (OCD)
Background: Attention deficit hyperactivity disorder (ADHD) is common in children. It can cause problems with attention and the ability to control actions and…
PET Imaging of Phosphodiesterase-4 (PDE4) in Volunteers With Alzheimer s Disease (AD) or Mild Cognitive Impairment (MCI)
Background: About 5 million adults in the United States have age-related brain disorders. These include Alzheimer disease (AD), mild cognitive impairment (MCI…
Collection of Peripheral Blood Mononuclear Cells (PBMCs) From Healthy Subjects for the Expansion of T Cells for Adoptive Cell Therapy
Title: Collection of Peripheral Blood Mononuclear Cells (PBMCs) from Healthy People for the Expansion of T Cells for Adoptive Cell Therapy Background: New th…
Evaluation of [11C]ZTP-1 to Image PDE4B
Background: PDE4B is a protein in cells that helps turn off certain chemical signals after they ve done their job. It controls inflammation, immune responses,…
Neuropharmacologic Imaging and Biomarker Assessments of Response to Acute and Repeated-Dosed Ketamine Infusions in Major Depressive Disorder
Background: Most medications that treat depression take weeks or months to work. Researchers want to develop fast-acting treatments. One dose of ketamine has …
Digital Measures for Clinical Trial Endpoints in Huntington's Disease (MEND-HD)
MEND-HD is a longitudinal study evaluating the feasibility of passive monitoring of gait and chorea in patients with HD and the meaningfulness of these outcome…