745 recruiting studies matching your filters
LD/CD (medications to treat Parkinson's disease) will be delivered using an assembly of nested sachets made of permeable material. The assembly is placed in th…
Background: As people age, the cells in the pancreas that produce insulin begin to release less of this hormone, and levels of blood glucose (sugar) rise. Thi…
Background: Cerebrospinal fluid (CSF) is the liquid that fills the space around the brain and spinal cord. Researchers do not fully understand how CSF flows a…
This trial studies photoacoustic imaging of the breast in patients with breast cancer and healthy subjects. Dense breasts typically reduce the sensitivity of a…
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 …
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,…
Twenty healthy adults (≥21 years old) will be enrolled to evaluate the efficacy of a single oral dose of psilocybin (25 mg) administered with or without pretre…
The purpose of this protocol is to allow for the careful screening of patients and healthy volunteers for participation in research protocols in the Experiment…
Background: \- Computed Tomography (CT) is a scan that makes detailed pictures of the body. It uses radiation to do that. In 2011, about 85.3 million CT scans…
Background: Transcranial magnetic stimulation (TMS) is form of non-invasive brain stimulation. It is approved to treat depression. TMS may help decrease drug …
Background: \- National Institute on Aging researchers are looking at studies that require large numbers of white blood cells for lab use. Standard blood samp…
Investigators will conduct a two-group randomized waitlist-control trial to assess the efficacy of the Wakaya: Rising Up for Choctaw Youth Health program on im…