Bethesda, Maryland Clinical Trials
A listing of Bethesda, Maryland clinical trials actively recruiting patient volunteers.
Found 1,121 clinical trials
Adaptive Optics Imaging of Outer Retinal Diseases
The objective of the study is to collect adaptive optics (AO) retinal images from human subjects with outer retinal diseases (diseases of the outer retina including photoreceptor, retinal pigment epithelium (RPE), basement membrane or choroidal pathologies) to develop new diagnostic methods, biomarkers, and clinical endpoints.
IDENTIFY Study: Natural History of Maternal Neoplasia
Background Pregnant women can get a DNA analysis of their blood. The test tells a woman and her doctor about the DNA of her unborn baby. But some women get test results that are abnormal or not reportable. Researchers want to learn more about the relationship between these test results …
Prospective Monitoring of Subjects With Biochemically Recurrent Prostate Cancer Using 18FDCFPyL
Background Prostate cancer is the second leading cause of cancer-related death in American men. The disease recurs in up to 50,000 men each year after their early-stage disease was treated; however, at this stage, imaging scans are often unable to find the disease in the body. In this natural history …
Natural History Study of Children and Adults With Medullary Thyroid Cancer
Background Medullary thyroid cancer (MTC) is a rare cancer of the thyroid gland. In children and adults, it is often part of a condition called Multiple Endocrine Neoplasia 2 (MEN2). MEN2 is usually caused by a genetic mutation, and it can cause a number of problems in addition to MTC. …
Study of Gastric Motility in Eosinophilic Gastritis
Purpose The study is a cross-sectional observational study designed to determine if eosinophilic gastritis (EG) results in gastric motility impairment. Hypothesis Gastric dysfunction occurs in the natural history of EG but is underdiagnosed due, in part, to contraindications to the use of the standard meals used in gastric emptying studies.
Leukapheresis to Obtain Plasma or Lymphocytes for Studies of HIV-infected Patients, Including Long-term Non-progressors
This study will collect white blood cells and plasma for research on how the immune system controls HIV infection. The immune system of a very small group of HIV-infected patients, called non-progressors, has been able to control HIV for long periods without antiretroviral therapy. Some immune system-related genes important for …
Natural History of Pregnancy and Pregnancy Outcomes in Metreleptin-Treated vs Untreated Subjects With Lipodystrophy
Background Lipodystrophy is a health problem in which the body does not have enough fat tissue. People with lipodystrophy may not make enough of the hormone leptin. Leptin regulates hunger. Low leptin levels trigger hunger. People with lipodystrophy can have many health problems. They may take a drug (metreleptin) that …
Myopenia and Mechanisms of Chemotherapy Toxicity in Older Adults With Colorectal Cancer
This study will examine the association between low muscle mass (myopenia) at diagnosis and chemotherapy toxicity in older adults with newly diagnosed advanced colorectal cancer.
Genetic Studies of Chronic Active Epstein-Barr Disease
Epstein-Barr virus (EBV) is a member of the human herpes virus family that infects more than 95 percent of the U.S. population. Most infections occur in childhood and cause no symptoms; in adolescents and adults, EBV often causes infectious mononucleosis. It has also been associated with certain forms of cancer. …
Study of Skin Tumors in Tuberous Sclerosis
Tuberous sclerosis is a rare, hereditary disease in which patients develop multiple tumors. Although not cancerous, the tumors can affect various organs, including the heart, lungs, kidneys, skin, and central nervous system, with serious medical consequences. The severity of disease varies greatly among patients, from barely detectable to fatal. This …
