Active clinical trials for "Communicable Diseases"

Purpose: The study null hypothesis is that vitamin D supplementation will not influence time to acute respiratory tract infection in sheltered accommodation residents.

The investigators propose to study the impact of nucleic acid amplification testing (NAT) screening for acute Human Immunodeficiency Virus (HIV) and Hepatitis C (HCV) infections and Less-Sensitive Enzyme linked Immunoassay (LS-EIA) or 'detuned' testing Vironostika, Trinity Biotech BED, or Ortho-Clinical Diagnostic Vistros ECi for early HIV infection in conjunction with routine rapid HIV testing at HIV counseling and testing sites and venues in the San Diego county. The overarching goal of this study is to develop and implement a system to identify, notify and engage into care those individuals with recent HIV infection in order to better define the HIV and Hepatitis C Virus (HCV) epidemics in the San Diego county and to evaluate and characterize HIV transmission dynamics within the San Diego population.

The purpose of this study is to determine if, among women who were treated for a prior chlamydial infection, home-based, self-collected vaginal swabs can increase rescreening for chlamydia in comparison with rescreening in the clinic. The study design is two randomized trials with enrollment at multiple family planning clinics and sexually transmitted disease (STD) clinics following a common protocol.

Colorectal illness contributes significantly to the global burden of disease. Cancer, inflammatory bowel disease and diverticulosis result in substantial patients suffering and health care expenditures. The causes of colorectal diseases remain unclear. New data suggests that intestinal bacteria may play a major role in the causal chain for many diseases, and the research on the microbial environment in the colon in relation to bowel disease is increasingly intense although the possibility for analysis of the composition of bacteria in the gut has so far been limited. However, new analytic methods based on powerful DNA sequencing, opens new opportunities. In the surgical clinic at Danderyds hospital, Stockholm, 2500 colonoscopies are performed per year. The investigators have created a biobank with mucosal samples from patient's large bowel and will consecutively include all patients scheduled for colonoscopy during one year (N=2500). Biopsies from the colonic mucosa will be analysed in collaboration with the Clinical Genomics, Science for Life laboratory (Karolinska Institutet). In Phase 1, the association between specific bacteria and colorectal disease will be investigated (hypothesis generating phase). In Phase 2, the investigators aim to identify specific bacterial biomarkers that could be used as screening tools, and lay the ground for future new treatments for colorectal disease. Early detection and new treatment regimes would result in both significant patient benefits as well as reductions in healthcare costs.

The purpose of this study is to evaluate the use of a blood test: Karius® plasma-based next-generation sequencing test (Karius Test), to see if we can detect and measure the infection causing agent in children with musculoskeletal infections (MSKI).

FALCON is a Pragmatic multi-centre trial testing measures to reduce superficial or deep skin infection following abdominal surgery in low and middle income countries. The trial will recruit patients undergoing abdominal surgery. Recruited participants will be randomly assigned to four arms to receive different combinations of skin preparation and sutures for would closure: A. In this arm surgeon will use 2% alcoholic chlorhexidine for skin cleansing and non-coated suture for wound closure; B. In this arm surgeon will use 2% alcoholic chlorhexidine for skin cleansing and triclosan coated suture for wound closure; C. In this arm surgeon will use for operation 10% aqueous povidone-iodine for skin cleansing and non-coated suture for wound closure; D. In this arm surgeon will use 10% aqueous povidone-iodine for skin cleansing and triclosan-coated suture.

Direct constitution of collections from various samples taken on a prospective cohort of healthy volunteers, to prepare human biological samples of known characteristics (biochemical and serological in particular) and quality controlled.

The investigators propose a prospective randomized control trial testing the hypothesis that routine topical antibiotic prophylaxis does not significantly reduce the rate of infection after eyelid surgery.

Human papillomavirus (HPV) are involved in up to 95 % of anal canal neoplastic lesions. Little is known about HPV carriage in anal canal previous to cancer occurrence in the population and pre-neoplastic lesions, and their risk factors. PAPILLAN is a prospective study that aims to study HPV infection (HPV low grade and high grade genotypes) prevalence in anal canal in a population non selected by its HIV status. In that purpose patients are prospectively recruited in a french university hospital gastroenterology unit and anal smears are collected during a colonoscopy with cytobrush.

Colistin is an antibiotic active against several classes of multi-resistant gram-negative bacteria; the drug should be used in high doses in patients on continuous renal replacement therapy, since the drug is eliminated through the dialysis filter. This is an Open-label, Phase 4, interventional, prospective, single-center pilot study aimed to analyze the concentrations of colistin in plasma and ultrafiltrate by liquid chromatography/mass spectrometry, in 20 critically ill patients admitted to intensive care and suffering from severe infections by multi-resistant bacteria, who receive continuous renal replacement therapy.