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The principal objective is to define and compare the viral reservoir, mucosal immune responses and the microbiota of different HIV infection stages; viremic, aviremic (under treatment), natural elite controllers; The secondary objective is to compare the mucosal immune response and microbiota of HIV patients with the healthy control population of Milieu Interieur;
The purpose of this study is to infect healthy volunteers aged 60-75 years old with Respiratory Syncytial Virus (RSV) to confirm how safe and well tolerated the use of an experimental RSV virus is in a population that has not previously received the virus. Additionally, this study will also look at various components of the volunteers' blood, the lining of their noses and other samples in order to measure the effects of the virus on the body, in particularly the immune system before, during and after viral infection.
In recent years, there has been an increasing prevalence of bacterial infections caused by multiresistant and extremely resistant organisms in patients with cirrhosis. These infections are associated with a worse prognosis, generate difficulties in the management of the patient during hospitalization and increase health costs. The main objective of this project is to estimate the prevalence of infections by multiresistant bacteria in patients with cirrhosis. Additionally, the prevalence of other antibiotic resistance patterns and morbi-mortality in the study population will be evaluated. For these purposes, a multicenter prospective cohort study will be carried out, including patients with cirrhosis who present bacterial infections at the time of admission, or during hospitalization. Performing a study in Argentina on the clinical and microbiological characteristics of bacterial infections in patients with cirrhosis could be very useful to develop new strategies for prevention and treatment of this severe complication.
Currently, paracetamol, ibuprofen and nonsteroidal antiinflammatory drugs are widely used by emergency physicians in Turkey for the treatment of fever . The objective of the study is compare the efficacy of intravenous ibuprofen and paracetamol in the treatment of patients with upper respiratory tract infections presenting with fever in the emergency department
Evaluation of anti-CMV T cellular immunity using an IGRA test (Quantiferon-CMV test) in kidney transplant recipients and hemodialysis patients, comparison to control patients.
This study looks at the difference between XF-73 and placebo in reducing the carriage of a bacteria S. aureus in the nose before, during and after heart surgery. Only people who normally have S.aureus in their nose will be enrolled onto the study. This will be confirmed by analysis of a nasal swab (a cotton bud placed in the nose) before entering the study. It is expected 200 people will participate in this study. Participation will be confirmed by analysis of a nasal swab (a cotton bud placed in the nose) before entering the study. XF-73 or placebo will be given 5 times, with an equal chance of participants receiving either XF-73 or placebo. During the hospital stay more nasal swabs will be taken to determine the amount of S.aureus present in the participant's nose. Other tests such as blood samples, blood pressure and an examination of the nose and sense of smell will be performed as part of the safety assessment. After the hospital stay participants will be followed up for 30 days or if a device has been inserted into the body as part of the surgery for 90 days to look at the rates of post-operative infection between the placebo and XF-73 groups. The study will run for about 9 months. During this period, an independent data monitoring committee will review the study to make sure that the balance of benefits and risks of participating in the study does not change.
Antibacterial drugs are facing increasing limitations in terms of effectiveness due to emergence resistance. Improved antibacterial drug monitoring approaches are particularly needed in nosocomial infections occurring in ICU patients, including ventilator-associated pneumonia and ventilator-associated tracheobronchitis, where decreased susceptibility of the etiological organisms is observed worldwide and pharmacokinetic alterations frequently observed. No routine drug monitoring is available for betalactams at the point of care in a useful time frame (i.e., within a few hours after having collected the blood specimens). The purpose of this study is to compare MON4STRAT approach for reaching and maintaining a meropenem pre-determined PK-PD target when compared to conventional meropenem dose.
Catheterisation is an accepted tool in intrapartum bladder care and indwelling catheters are used routinely before elective caesarean sections. However, urinary catheters are associated with an increased rate of urinary tract infections which can lead to complications including increased maternal morbidity and prolonged hospital stay. A Cochrane Review (2014) concluded that there is insufficient evidence to assess the routine use of indwelling bladder catheters in women undergoing caesarean section. The incidence and causation of catheter-associated infection in this population is unknown. We propose to provide this data, by comparing urine samples from pregnant women before and after their delivery and analysing this against observational catheter use during the delivery. This will be vital in conducting future research into potential change in policy on routine catheterisation. It will also be beneficial to patients as it could reduce the burden of catheterisation by reducing their chance of developing a UTI and by reducing the associated morbidity.
The purpose of this project is to validate the diagnostic orientation properties of two new biomarkers (CD64, CD169) for patients with infectious syndromes arriving in emergency departments. This prospective observational study will focus on the quantification of these biomarkers on a hematology tube background (Pr Morange laboratory) without modifying the usual diagnostic and therapeutic procedures. The results of these assays will be compared with the diagnoses made at the end of treatment in order to determine their sensitivity and specificity. This study is the preliminary study, necessary to determine the detection characteristics of these biomarkers.
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.