Found 696 none trials
A listing of none medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.
The purpose of this study is to understand the relationship between obesity and obstructive sleep apnea. Obstructive sleep apnea typically causes daytime sleepiness and fragmented (broken up) sleep. Obesity is thought to be the most important risk factor for sleep apnea, yet we currently do not understand how obesity increases …
This pilot study involves the administration of xenon gas via the ENHANCER 3000 delivery system to 12 healthy adult volunteers; xenon concentrations will range from 0% to up to 75%. Subjects will wear an Actiwatch for 7 days and nights prior to xenon administration (Study Day) and 7 days/nights afterwards. …
While a number of factors are known to be associated with the development of trauma induced coagulopathy (TIC), inflammation, and multi-organ failure, we currently cannot predict which patients are at risk for developing these life-threatening conditions with any certainty. In this prospective observational study, we will investigate the many factors …
Post-menopausal osteoporosis is a major public health issue affecting millions of women. However, the microstructural implications of the disorder on cortical bone, the dominant bone type of the skeleton, are poorly understood and currently cannot be evaluated in vivo. This study, which utilizes new quantitative MRI methods, provides a path …
The main purpose of this study is to collect tissue from people diagnosed with HIV-associated cancer. We will use these samples to look for genetic changes associated with HIV- and other virus-related cancers. This may lead to better ways of preventing, detecting, and treating HIV-associated cancers.
Since 2006, there has been a 50% increase in the number of adults added to the heart transplant waitlist in the US. Yet the persistent organ donor shortage has led to only a 25% increase in the number of transplants, and a 25% increase in the number of patients removed …
Randomized (flip of the coin 50/50) study of heart failure (HF) patients with moderate aortic valve stenosis (narrowing) will be either treated with a transcatheter valve replacement (TAVR) or continue with medical management. Subjects will be followed for 2 years. We will collect information regarding death and major events such …
You are being asked to be in this research study because you have PBC (primary biliary cholangitis) which is an uncommon chronic cholestatic liver disease characterized by progressive inflammation and destruction of the interlobular bile ducts, ultimately leading to the development of biliary cirrhosis.
The purpose of this study is to determine if a particular Magnetic Resonance Imaging (MRI) called Diffusion Weighted (dwMRI)) will detect changes in your tumor before and during treatment with chemotherapy and radiation for esophageal cancer. We used the dwMRI because it has been used in other types of cancers …
The purpose of this study is to evaluate the safety and effectiveness of the study device, which is an endoprosthesis (stent) that is used to treat various lesions of the aortic arch and descending thoracic aorta. Lesions might include aortic aneurysm (weakened area of the aorta), dissection (tear in the …
