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The main purpose of this study is to examine the effect of prolonged (72 hour) administration of glucagon compared to placebo on energy expenditure in healthy, non-diabetic, obese subjects.

A previous study evaluating the NvisionVLE® Imaging Low Profile System revealed the system to be feasible and safe for use in bile duct. The study also revealed a potential to better define abnormalities, target sampling and therapy when utilizing the NvisionVLE® Imaging Low Prof…

In rheumatoid arthritis (RA) the clinical response to anti-TNFα is related to an increase in the number or in the function of Treg lymphocytes in the peripheral blood of patients. This observation suggests the central role of Tregs in homeostasis of the immune response during RA.…

Improvement of retinal medical imaging opens new perspectives for exploring the retinal structures. Optical coherence spectral domain (SD-OCT), which has been widely used in the last ten years, is certainly the most advanced device. In the analysis of patients without retinal dis…

To assess health and lifestyle behavior of pregnant women in Baton Rouge including women receiving traditional obstetrical prenatal care and delivering in a hospital and those receiving prenatal care from a midwife and delivering at the birth center.

This randomized, double-blind, placebo controlled study will involve 600 healthy (Glucose-6-Phosphate Dehydrogenase \[G6PD\] normal) volunteers. Participants who meet the eligibility criteria will be randomized (ratio 1:1) to receive a loading dose of either tafenoquine 200 mg (2…

Background: CCTA is a common way to evaluate coronary artery disease. It stands for coronary computed tomography angiography. It uses scanning to look at the arteries that supply blood to the heart. It is noninvasive, widely available, and generally accurate. But it does expose …

The use of MRI imaging and image fusion in radiation therapy has dramatically increased during the past decade. However, the existing MRI-imaging protocols, imaging software and pulse sequences are all optimized for diagnostic purposes. With the introduction of the MR-linac, ther…

This study evaluates the effect of a nutrition technical assistance training program for family child care home providers on the food they serve young children in their care and the food environment in their home. Half the providers will be assigned to the nutrition program and t…

Spatial neglect may occur in patients who have had a stroke. People with spatial neglect often pay much more attention to one side of the body while ignoring the other side, even though they have no difficulty seeing. The purpose of this study is to evaluate the impact on stroke …

The aim to evaluate whether activation of the hypothalamic-pituitary-gonadal axis in PCOS is associated with transient microstructural and metabolic changes in the female hypothalamus using MRI approaches to assess water diffusion and measure proton magnetic resonance spectra.

The investigators are seeking healthy adult participants 18-60 years and healthy pregnant women in their 2nd trimester of pregnancy for a research study to assess a new imaging device. The Tearney Laboratory at the Wellman Center for Photomedicine at Massachusetts General Hospita…

This study aims to investigate whether the spacing of the interrupted deep (subdermal) sutures affects surgical wound cosmesis on the trunk and extremities. In other words, the investigator would like to determine which of the following yields a more cosmetically appealing scar: …

The goal of the proposed study is to determine the effects of fresh watermelon fruit consumption on satiety, metabolic parameters and weight management.

Background: This study is designed to provide samples to help us study the genes your blood cells are making as well as the proteins, sugars, fats, vitamins and other metabolites found in your blood or urine. Blood samples may also be collected to make special cells. These are c…

The investigators intented to assess the prevalence of acute injuries in amateur and elite mountain bikers.

This study aims at describing the glucose level by automated glucose sensors and correlating it with insulin delivery and meals over 14 days in insulin-requiring T2D patients living in real-life conditions.

This pilot study will first establish the feasibility of an in vivo methodology of assessing the utilization of glutamine into the TCA cycle of normal bone marrow plasma cells from healthy subjects while comparing it to an ex vivo approach

The fracture of the proximal femur is a common traumatic pathology in patients aged over 70 years, associated with a mortality of 20 to 30% a year. The care is delayed emergency. During this wait, the occurrence of heel pressure ulcers is regularly found, despite wearing antiesca…

Background: People who join a study in the Developmental Therapeutics Clinic (DTC) have tests. These include blood draws and biopsies. Researchers collect data from these samples. Some people take part in more than one study at the DTC. At this time, data are connected only with…