There are about 36633 clinical studies being (or have been) conducted in France. The country of the clinical trial is determined by the location of where the clinical research is being studied. Most studies are often held in multiple locations & countries.
Loeys-Dietz syndrome (LDS) is a rare vascular genetic disorder (estimated prevalence 1/25,000-1/100,000) due primarily to mutations in the Transforming growth factor beta (TGF-β) cytokine receptor 1 and 2 genes. In addition to a common vascular phenotype with Marfan syndrome (dilatation of the ascending aorta, arachnodactyly, lens dislocation), patients present specific malformations (bifid uvula, hypertelorism, tortuous arteries) and immuno-allergic manifestations (asthma, eczema, food allergy, eosinophilic esophagitis, chronic inflammatory bowel disease). Pathophysiologically, LDS appears to be associated with hyperactivation of the intracellular TGF-β signaling pathway in a manner similar to Marfan syndrome, as evidenced by increased intracellular phosphorylated Smad2/3 (pSmad2/3) in lymphocytes. The immuno-allergic complications appear paradoxical because of the major immunosuppressive role of this cytokine on lymphoid and myeloid immune lineages. The biological description of immunological abnormalities associated with LDS is based on a single 2013 study that found increased regulatory T (Treg) and Th2 lymphocyte polarizations, as well as increased circulating eosinophil and total IgE levels. In order to better understand the underlying mechanisms, the investigators propose to perform a descriptive clinical-biological study to identify and study the immune subpopulations most impacted by the causative mutations of LDS.
The hypothesis of this study is to evaluate the effect of supplementation for 8 weeks on the improvement of cognitive functions in healthy seniors with or without mild cognitive decline.
Male self catherterisng observational study.
Formation of neutrophil extracellular traps (NETs) is a process of activation of neutrophils, which then generate filaments containing DNA, enzymes and extracellular histones. Two mechanisms of formation of NETs are described in the literature: vital mechanism via Toll Like Receptors (TLRs) and suicidal mechanism, dependent on the reactive oxygen species (ROS) pathway. The description of these two mechanisms of formation of NETs is recent and no data exist in the context of pregnancy.
This is a prospective, interventional, phase II, open-label, multicentre, national, non-comparative study of a single administration of the new dispersible form of hydroxycarbamide at the usual dose in children with sickle cell disease who are already treated with the current form of hydroxycarbamide (Siklos® 100 mg and/or 1000 mg film-coated tablets).
Pain is a frequent symptom in the intensive care unit (ICU). Critical ill patients are often intubated and sedated which makes self-evaluation of pain impossible. Pupillary dilatation is a reflex directly related to stimuli such as pain, which can be measured by quantitative pupillometry. Several studies in ICU showed a significant relationship between pupillary diameter variation and pain. The nociception level index (NOL-index) is a recent noninvasive and continuous monitoring of pain essentially used in operating room. The aim of this study is to evaluate the pupillometry and NOL index in critical ill patients in sedated patients under mechanical ventilation during the mobilization plus toilet (described in literature as not painful procedure) and tracheal suctioning (described as a painful procedure)
The proposed research is a non-interventional study made to evaluate different measurements on 1 group of participants, before and after taking a nap, aiming to potentially guide future investigations on nap-modulated tinnitus to better understand this phenomenon. The main hypothesis is that sleep apneas could be correlated with an increase of tinnitus intensity.
The assessment of health status and physical function is fundamental in patients with obesity, as they play an important role among the various factors influencing the quality of life in this population. Several studies have shown an association between high BMI values and a significant deterioration in quality of life, especially in women. Excess body fat in obese patients seems to be responsible for muscle atrophy. This causal link is probably related to dysfunctions in adipose tissue, leading to a decrease in the expression of proteins responsible for muscle contraction. The recent literature highlights an alteration in quality of life, particularly in obese and elderly subjects, for which changes in muscle function are partly responsible. Changes in muscle function can be assessed by simple, rapid and non-invasive tools. They could be used to identify obese subjects at risk of they could be used to identify obese subjects at risk of muscle atrophy, to stratify the risk, and to propose prophylactic intervention or early management. The main objective of this study is to evaluate the association between structural alteration of the quadriceps and quality of life in obese patients. The secondary objectives are to evaluate : - The association between quadriceps thickness and quality of life ; - The association between grip strength and quality of life ; - The association between quadriceps strength and quality of life ; - The association between quadriceps strength and ultrasound measurements of the quadriceps. This is a prospective, monocenter, observationnal and cohort study. All outpatients for nutrition assessment will be included.
Descriptive study of patients with suspected COVID-19 upon ED arrival of European hospitals between March 09 and April 08 2020. Justification:
Using a task measuring the tracking of eye movements, the aim of this study is to demonstrate that individuals suffering from depression focus their attention more on their reflection in the screen after recalling a failure (and this all the more so as their depressive symptomatology is strong) .