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This study will serve to determine how influenza infection alters the bacterial colonization patterns in the nasal and oropharyngeal compartments, and whether the immune response correlate with these alterations. The investigators will be determining bacterial composition and imm…

To evaluate the effect of video discharge instructions on return visits to the ER or ED within 72 hours of the original visit for children with febrile illnesses.

The MecoExpo project seeks to evaluate the in utero exposure of newborns in the Picardie region to commonly used pesticides. These pesticides were selected in a pilot study (the Mecopic study) on the basis of their toxicity (effects on foetal development, endocrine perturbation, …

Microdialysis is admitted to be reliable by numerous surgeons to monitor flaps. Nevertheless, a few authors reported follow up with microdialysis in bone flaps, and they all described the position of the catheter in the surrounding soft tissue muscle. This surrounding soft tissue…

Peripheral blood mononuclear cells (PBMC) and platelets could be interesting ex vivo models to study brain diseases. Indeed, there is no access to neurons from patients. However, PBMC can exhibit different physiopathological mechanisms that are ubiquitous (i.e. oxidative stress, …

Two to 15% of subjects present dysphagia. In case of normal eso-gastro-duodenal endoscopy, patients with dysphagia are referred for esophageal motility testing. Esophageal manometry is the gold standard to evaluate esophageal motility in absence of esophageal obstruction. Two dif…

To detect by sonography relapse of disease activity prior to clinical symptoms in RA patients treated by rituximab.

The aim of this study is to show for the first time that treatment with intravenous fibrinolysis using rt-PA in patients with recent ischemic stroke is accompanied by increases in circulating levels of BDNF, which may reflect an increase in BDNF synthesis in the brain. The analy…

Within few years the peritoneal membrane of adult peritoneal dialysis (PD) patients undergoes substantial morphological transformation, including progressive fibrosis, vasculopathy and neoangiogenesis. Ultrafiltration capacity steadily declines and ultimately results in PD failur…

The North American Mitochondrial Disease Consortium (NAMDC) maintains a patient contact registry and tissue biorepository for patients with mitochondrial disorders.

Background: Nasopharyngeal carcinoma (NPC) is a malignancy with marked geographic variation, with over 80% of global cases found in Southeast and East Asia. However, the characteristics of NPC in non-high-incidence areas in China (such as Jiangsu, Zhejiang, and Anhui provinces) …

This protocol is a study to assess the efficacy of an external upper esophageal band to decrease subjective nighttime symptoms related to esophageal reflux into the pharynx.

Monophasic action potential (MAP) recording plays an important role in a more direct view of human myocardial electrophysiology under both physiological and pathological conditions. The MAP method represents a very useful tool for an electrophysiological research in cardiology. I…

The purpose of this study is to collect DNA samples from patients undergoing routine care at the University of Chicago. These samples will be tested for differences in genes that may suggest greater risk of side effects or chance of increased benefit from certain medications. The…

Background: \- Researchers are interested in studying disorders that make individuals more susceptible to fungal infections, specifically infections with the Candida yeast. These disorders are often related to problems with the immune system and may have genetic factors, which s…

This is a companion protocol to MD Anderson Cancer Center study 2010-0085 (Sequential Therapy in Advanced Renal Cell Carcinoma Therapy: The "START" Trial). The goal of this clinical research study is to learn if dynamic contrast enhanced computed tomography (DCE-CT) scans can he…

Background: Chordoma is a rare, slow growing, often fatal bone cancer derived from remnants of the embryonic notochord. It occurs mostly in the axial skeleton (skull base, vertebrae, sacrum and coccyx), is more frequent in males than females, and has a median age at diagnosis of…

Prospective association study to analyse perioperative patients' outcome. Outcome comprises intraoperative and postoperative complications e.g. cardio-vascular events, allergic reactions, Possible variables which might have on influence: patient- and surgery-related data, patient…

Prospective observational study to analyse patients' pain related outcome after surgery and ist association to genetic variants and non-genetic variables.

Prospective association study to analyse patients' outcome after bariatric surgery. Outcome comprises postoperative pain, analgesia, postoperative side-effects, long-lasting pain, patients' impairment in daily living.