CLINICAL TRIALS PROFILE FOR TYPHIM VI
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All Clinical Trials for TYPHIM VI
| Trial ID | Title | Status | Sponsor | Phase | Start Date | Summary |
|---|---|---|---|---|---|---|
| NCT00326443 ↗ | CVD 909 Vi Prime Boost Study | Completed | National Institute of Allergy and Infectious Diseases (NIAID) | Phase 1 | 2006-02-01 | The purpose of this research study is to see if giving a typhoid vaccine by mouth (an experimental vaccine, CVD 909) before giving a vaccine shot (Typhim Vi) will result in a better immune response than giving Typhim Vi vaccine by itself. Another purpose is to see whether CVD 909 is safe. Typhim Vi has been shown to be safe and effective in preventing typhoid fever in older children and adults, but it does not work in children under age 2. Scientists at the University of Maryland think that young children could respond to Typhim Vi if they were given a dose of the other typhoid vaccine by mouth before they are given the Typhim Vi shot. Twenty-eight healthy adult volunteers, ages 18-40 years, will take part in this study. Study participation will last for up to 63 weeks, but most of the study visits will be in the first 6 weeks. Blood samples will be collected approximately 13 times. Four stool samples will be collected. Some volunteers may be followed for an additional 4 years. |
| NCT02286544 ↗ | Effects of Oxygen Treatment on Mechanisms Involved in Ischemia-reperfusion Injury: A Pilot Study in Healthy Volunteers | Completed | University Hospital, Linkoeping | Phase 1 | 2014-10-01 | Oxygen treatment is widely used in acutely ill patients. In particular, oxygen treatment is routinely used in acute coronary syndrome (ACS) patients with suspected acute myocardial infarction and variably recommended in ACS-guidelines, despite very limited data supporting a beneficial effect. Immediate re-opening of the acutely occluded infarct-related bloodvessel via primary percutaneous coronary intervention (PCI) is the treatment of choice to limit ischemic injury in the setting of ST-elevation ACS (STE-ACS). However, the sudden re-initiation of blood flow achieved with primary PCI can give rise to further damage, so-called reperfusion injury. Ischemia and reperfusion associated myocardial injury (IR-injury) involves a wide range of pathological processes. Vascular leakage, activation of cell death programs, transcriptional reprogramming, no reflow phenomenon and innate and adaptive immune activation all contribute to tissue damage, thereby determining the infarct size. The effect of oxygen treatment on these pathological processes, on the extent of IR-injury and the final infarct size in STE-ACS patients has not previously been studied. ACS is characterized by a systemic inflammation with typical elevations of soluble inflammatory markers as well as changes in white blood cells. The inflammatory reaction might be considered helpful in restoring myocardial tissue structure and function, but on the other hand it might worsen IR-injury by activating various pathological processes. In human experimental studies, Salmonella typhi vaccine has been used to create a standardized model of systemic inflammation and when administered to healthy volunteers the vaccination has not been associated with any adverse events. In an ongoing register randomized multicentre clinical trial, the DETO2X (Determination of role of oxygen in suspected acute myocardial infarction) study, the effect of oxygen on morbidity and mortality in ACS patients is being investigated. In a substudy of the DETO2X-trial, the investigators have planned to evaluate the effect of oxygen treatment on IR-injury in STE-ACS as assessed by biomarkers reflecting various aspects of the pathological processes involved. The presented study is an experimental pilot study performed in healthy volunteers with a Salmonella typhi vaccine-induced inflammation with the purpose of studying effects of oxygen treatment on biological systems involved in the pathogenesis of IR- injury. |
| NCT02286544 ↗ | Effects of Oxygen Treatment on Mechanisms Involved in Ischemia-reperfusion Injury: A Pilot Study in Healthy Volunteers | Completed | Karolinska Institutet | Phase 1 | 2014-10-01 | Oxygen treatment is widely used in acutely ill patients. In particular, oxygen treatment is routinely used in acute coronary syndrome (ACS) patients with suspected acute myocardial infarction and variably recommended in ACS-guidelines, despite very limited data supporting a beneficial effect. Immediate re-opening of the acutely occluded infarct-related bloodvessel via primary percutaneous coronary intervention (PCI) is the treatment of choice to limit ischemic injury in the setting of ST-elevation ACS (STE-ACS). However, the sudden re-initiation of blood flow achieved with primary PCI can give rise to further damage, so-called reperfusion injury. Ischemia and reperfusion associated myocardial injury (IR-injury) involves a wide range of pathological processes. Vascular leakage, activation of cell death programs, transcriptional reprogramming, no reflow phenomenon and innate and adaptive immune activation all contribute to tissue damage, thereby determining the infarct size. The effect of oxygen treatment on these pathological processes, on the extent of IR-injury and the final infarct size in STE-ACS patients has not previously been studied. ACS is characterized by a systemic inflammation with typical elevations of soluble inflammatory markers as well as changes in white blood cells. The inflammatory reaction might be considered helpful in restoring myocardial tissue structure and function, but on the other hand it might worsen IR-injury by activating various pathological processes. In human experimental studies, Salmonella typhi vaccine has been used to create a standardized model of systemic inflammation and when administered to healthy volunteers the vaccination has not been associated with any adverse events. In an ongoing register randomized multicentre clinical trial, the DETO2X (Determination of role of oxygen in suspected acute myocardial infarction) study, the effect of oxygen on morbidity and mortality in ACS patients is being investigated. In a substudy of the DETO2X-trial, the investigators have planned to evaluate the effect of oxygen treatment on IR-injury in STE-ACS as assessed by biomarkers reflecting various aspects of the pathological processes involved. The presented study is an experimental pilot study performed in healthy volunteers with a Salmonella typhi vaccine-induced inflammation with the purpose of studying effects of oxygen treatment on biological systems involved in the pathogenesis of IR- injury. |
| >Trial ID | >Title | >Status | >Sponsor | >Phase | >Start Date | >Summary |
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