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The purpose of this study is to collect information from study participants who are hospitalized with an invasive disease caused by Extraintestinal pathogenic E. coli (ExPEC). This information will be used to support the development of a new vaccine to prevent Extraintestinal pathogenic Escherichia coli (ExPEC). E. coli bacteria are a leading cause of serious infections. Especially adults older than 60 years have a higher risk of developing such infections. To date, there is no vaccine available to prevent E. coli infections. To support the development of a vaccine, more information about E. coli infections is first needed. This information will be collected in the current study, such as:
- Medical information such as medical history, diagnosis, duration of hospitalization
- Treatment and outcome of the Extraintestinal pathogenic Escherichia coli (ExPEC)
- Laboratory information
Janssen Research & Development is developing ExPEC10V, a 10-valent conjugate vaccine comprising the 10 most predominant O-polysaccharides of ExPEC.
Invasive ExPEC Disease (IED) is defined as an acute illness consistent with bacterial infection that is microbiologically confirmed either by the isolation and identification of E. coli from blood or other normally sterile body sites, or by the isolation and identification of E. coli from urine in a patient with signs and symptoms of invasive disease (presence of systemic inflammatory response syndrome [SIRS], sepsis or septic shock) and no other identifiable source of infection.
ExPEC is the most common cause of infection in humans resulting from gram-negative bacteria. ExPEC comprises a pathogenic group of E. coli strains, possessing the ability to colonize and infect normally sterile body sites and to cause Invasive ExPEC Disease (IED).
ExPEC causes the vast majority of urinary tract infections (UTIs), is the second most frequent cause of neonatal bacteremia and meningitis, and is a leading cause of adult IED, in particular bacteremia and sepsis.
Although IED affects all age categories, adults aged 60 years or older have an increased risk of developing IED, including bacteremia and sepsis. The incidence of community-acquired ExPEC bacteremia increases with age, occurring at a rate of 150/100,000 person-years in the United States (US) adults aged 65 years and older, and 452/100,000 person-years in adults aged 85 years and older. Similar trends have been observed in Europe. In the US, it is estimated that up to 40,000 patients die annually due to IED, in particular from E. coli sepsis. Overall case-fatality rates for ExPEC bacteremia range from 13% to 19% but may be much higher (up to 60%) in the elderly with healthcare-associated infections.
The increase in multidrug resistance (ie, resistance to two or more antibiotic classes) among ExPEC strains, such as E. coli sequence type 131:O25B, represents a major challenge for prevention and management of ExPEC infections. Global morbidity, hospitalization and mortality rates due to ExPEC infections are substantial and increasing due to aging populations and increasing prevalence of antibiotic resistant ExPEC strains, and associated with increasing healthcare costs in both Europe and the US.
This hospital-based prospective epidemiological study will assess the O-serotype and O-genotype distribution in E. coli isolates causing IED overall and by subgroup based on risk factors. Detailed demographic and clinical data, including information on hospital routes, from patients with IED will be collected in this study to further characterize the clinical setting in this patient population. This study will also provide data to compare the clinical criteria of IED used by the study site with the proposed Phase 3 clinical case definition for IED in adults aged 60 years or older for future clinical studies in this patient population. No study drug will be administered in this non interventional study.
E. Coli Infection
Not yet recruiting
Published on BioPortfolio: 2019-10-11T10:03:46-0400
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Strains of Escherichia coli that possess virulence traits which allow them to invade, colonize, and induce disease in tissues outside of the GASTROINTESTINAL TRACT. They are a cause of URINARY TRACT INFECTIONS (UROPATHOGENIC ESCHERICHIA COLI); neonatal MENINGITIS; SEPSIS; PNEUMONIA; and SURGICAL WOUND INFECTION.
Strains of ESCHERICHIA COLI that are a subgroup of SHIGA-TOXIGENIC ESCHERICHIA COLI. They cause non-bloody and bloody DIARRHEA; HEMOLYTIC UREMIC SYNDROME; and hemorrhagic COLITIS. An important member of this subgroup is ESCHERICHIA COLI O157-H7.
An enterohemorrhagic Escherichia coli of the O subfamily that can cause severe FOODBORNE DISEASE. The H4 serotype strain produces SHIGA TOXINS and has been linked to human disease outbreaks, including some cases of HEMOLYTIC-UREMIC SYNDROME, resulting from contamination of foods by feces containing E. coli O104.
A verocytotoxin-producing serogroup belonging to the O subfamily of Escherichia coli which has been shown to cause severe food-borne disease. A strain from this serogroup, serotype H7, which produces SHIGA TOXINS, has been linked to human disease outbreaks resulting from contamination of foods by E. coli O157 from bovine origin.
A species of gram-negative, rod-shaped bacteria belonging to the K serogroup of ESCHERICHIA COLI. It lives as a harmless inhabitant of the human LARGE INTESTINE and is widely used in medical and GENETIC RESEARCH.
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