Kusajili – Centralise les essais cliniques mondiaux

Effects of Weight Reduction on Sleep and Alertness in Long-distance Truck and Bus Drivers The study is a year-long health-behaviour intervention in obese, male truck-drivers to lose weight moderately by 10%, using monthly individual counseling. The investigators hypothesize that lifestyle modification (increased physical activity, changes in eating habits, and improved schedule for sleep) through weight loss improves daytime alertness and quality of sleep, reduces daytime sleepiness, and improves cardiovascular risk factors and health-related fitness.

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Covered Versus Uncovered Biliary Stents for Biliary Malignancies Patency duration of covered metal stents as compared with uncovered metal stents in the management of malignant strictures of the extra-hepatic biliary tree.

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Cervical Kinematics' Reliability: Zero Positioning Using a 3-D-bulls Eye Spirit Level The measurement of cervical spine range of motion (ROM) figures among the most common aspects of clinical diagnosis. Good reliability has been demonstrated for assessments using ultrasonic movement analysis systems, such as Zebris CMS 70 (Isny, Germany). However, in contrast to combined measurements of movement amplitudes (e.g., flexion plus extension in the sagittal plane), separating the respective components provides less reliable results. Current research suggest that this is due to the participants' determination of the zero position. This position is influenced by possible disposed treatments and, in particular, by the subject in case of subjective determination. The present study therefore aims to examine the test-retest reliability of separate ROM assessments using a bulls eye spirit meter. Twenty healthy participants will be included in the trial that adopts a two-armed randomized, crossover design. With a washout-period of one week in between, each subject participates in two sessions in a randomised order. In both sessions, cervical ROM (flexion/extension, rotation, lateral flexion) will be measured twice (with a five-minute wait period). In all measurements, the zero position will be determined by means of a bulls eye spirit level. The difference of the two sessions consists in the design of the waiting period. In one session, the subjects will keep the mask carrying the ultrasound markers on their head. In the other session, the mask will be removed during the break.

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The Real World of Acute Cholecystitis Meta-analysis of randomized controlled trials and population based studies in acute cholecystitis are in favor for early laparoscopic surgery versus a delayed operation several weeks later. The main problems in these studies are the exclusion criteria used, thus not reflecting the real world setting of acute cholecystitis. The purpose of this study is to demonstrate that a delayed laparoscopic cholecystectomy in a real world scenario has no worse outcome in comparison with an early operation (within 72 hours after onset of symptoms).

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Study to Assess the Efficacy and Safety of Three Dosage Strengths of Pulsatile GnRH Delivered From a Iontophoretic Patch Compared to Oral Treatment With Clomiphene or Placebo in Infertile Females The primary objective of this study is to determine the safety and efficacy of pulsatile GnRH delivered from a iontophoretic patch (Lutrepatch) for induction of ovulation in women with anovulatory/ oligoovulatory infertility, compared to placebo and to a reference treatment with clomiphene citrate.

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Study of Rituximab Plus High-Dose Chemotherapy Non-Hodgkin's Lymphoma This study is being conducted to determine the safety, side effects, and response to a combination of an established high-dose chemotherapy regimen, plus the addition of Rituximab (which is a form of immunotherapy).

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Efficacy and Safety Study of Dysport® Used for Migraine Prophylaxis The purpose of this study is to evaluate the efficacy of botulinum toxin type A (Dysport®) injections into pericranial muscles compared to placebo to prevent migraine attacks.

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Corneal Epithelial and Stromal Thickness Distribution in Keratoconus The purpose of the study was to identify corneal epithelial- and stromal-thickness distribution patterns in keratoconic eyes using spectral-domain-optical coherence tomography (SD-OCT). Study Hypothesis: SD-OCT provides necessary details about the distribution of corneal epithelial and stromal thicknesses for identification of a pattern characteristic for early keratoconus.

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A Physician-Based Trial to Increase Colorectal Cancer Screening in Chinese The objective of this study is to test whether a culturally-tailored in-office based intervention have impact on increasing Chinese physician's recommendation of colorectal cancer (CRC) screening to their nonadherent Chinese patients. Special aims are to: 1. Evaluate the efficacy of a culturally-tailored physician intervention on increasing non-adherent Chinese American's patients' CRC screening rate. 2. Identify factors that mediate or moderate the intervention effects. For example, patients who hold an eastern cultural view or are less acculturated will be more likely to benefit from the intervention than patients who hold a western view or who are more acculturated.

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Apathy Associated With Alzheimer's Disease Apathy, or lack of motivation, affects up to 80% of Alzheimer's disease (AD) patients. These amotivational symptoms increase patient reliance on caregivers, increase caregiver burden and distress, and increase the risk of patient institutionalization. Only 50% of patients with apathy respond to current treatment with cholinesterase inhibitors. The mechanism of apathy in AD is unknown hampering rational treatment. Our proposed pilot study will provide initial data required to develop an amphetamine challenge paradigm to probe the brain reward system. These results will be used to develop a larger study evaluating the role of the brain reward system in apathy in AD and link this information with pharmacologic treatment. AD is a complex neurobiological illness that needs to be understood at several levels to optimize treatment. At a neurochemical level, one has to identify the neurotransmitter abnormalities that accompany the clinical symptoms. The neurochemical level of analysis provides the link between pathology and symptoms and, for now, is the only avenue for biological therapies. Next, one has to translate knowledge of neurochemical abnormalities to practical treatments for the symptoms of AD. This pilot will allow us to develop a study that can address both of these goals. Furthermore, the larger study will further define the emerging concept of apathy as a syndrome and has broader implications for apathy in many other neuropsychiatric diseases.

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