[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"aseptic-meningitis\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:aseptic-meningitis":28},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":15,"eligibilityCriteria":16,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":19,"targetDuration":4,"studyType":22,"phases":4,"briefSummary":23,"conditions":24,"keywords":37,"overallStatus":43,"whyStopped":4,"lastUpdateSubmitDate":44,"lastUpdatePostDateStruct":45,"startDateStruct":48,"completionDateStruct":50,"leadSponsor":52,"locationsCount":55},"100317883","central-nervous-system-infections-in-denmark-100317883",false,"NCT03418441","Central Nervous System Infections in Denmark","Danish Study Group of Infections of the Brain: A Nationwide Prospective Observational Cohort Study of All Central Nervous System Infections in Adults at Departments of Infectious Diseases in Denmark","DASGIB","Definitions of central nervous system infections:\n\nFor all cases with unproven aetiologies no alternative diagnosis than CNS infection is thought more likely after completed multidisciplinary diagnostic work-up.\n\nViral meningitis inclusion criteria\n\n\\- All patients have to have a clinical presentation consistent with non-bacterial meningitis (e.g. headache, neck stiffness, photo- or phonophobia, fever)\n\nand\n\nCerebrospinal fluid leukocytes\\>10 cells\u002Fml\n\nPatients with viral meningitis with undetermined pathogen have to have:\n\n* CSF leukocytes\\> 10\u002FmL and no other more probable diagnosis assessed by the local investigator.\n\nIn case of doubt, patients are discussed with the DASGIB secretary and chair or at meetings.\n\nBacterial meningitis inclusion criteria - All patients have to have a clinical presentation consistent with bacterial meningitis (e.g. headache, neck stiffness, fever, altered mental status)\n\nand\n\nProven bacterial aetiology (CSF or blood culture\u002FDNA based technology or antigen tests)\n\nPatients with bacterial meningitis in whom the bacteria cannot not be cultured or identified by DNA-based technologies have to have:\n\n\\- CSF leukocytes\\> 10\u002FmL and no other more probable diagnosis assessed by the local investigator.\n\nIn case of doubt, patients are discussed with the DASGIB secretary and chair or at meetings.\n\nEncephalitis inclusion criteria - All patients have to have a clinical presentation consistent with encephalitis (e.g. headache, fever, focal neurological deficit, altered mental status \\>24 hours) as defined by the International Encephalitis Consortium (Venkatesan A et al., Clin Infect Dis 2013; doi:10.1093\u002Fcid\u002Fcit458.).\n\nEncephalitis exclusion criteria\n\n\\- We exclude cases of proven or suspected autoimmune encephalitis.\n\nPrimary brain abscess inclusion criteria\n\n\\- All patient have a clinical presentation consistent with brain abscess (e.g. headache, focal neurological deficit, mass lesion on cranial imaging)\n\nand\n\n\\- Proven microbiological aetiology by culture\u002FDNA-based technology from pus from brain abscess or blood or CSF\n\nor\n\n\\- Aspiration of pus from the brain abscess\n\nor\n\n\\- Response to antimicrobial treatment\n\nor\n\n\\- Tumour ruled out\n\nor\n\n\\- Tumour thought less probable than abscess on MRI using diffusion weighted imaging (DWI) and apparent diffusion coefficient (ADC) sequences.\n\nLyme neuroborreliosis inclusion criteria\n\n\\- A clinical presentation consistent with neuroborreliosis (e.g. radiculopathy)\n\nand\n\n\\- CSF pleocytosis\\>10 leukocytes\u002FmL\n\nand\n\n\\- Positive intrathecal B.burgdorferi antibody production index.\n\nNeurosyphilis inclusion criteria - A clinical presentation consistent with neurosyphilis (e.g. 'encephalitis-like symptoms', dementia, ocular or otogenic syphilis)\n\nand either\n\n\\- Positive syphilis serology in serum combined with CSF leukocytes\\>10\u002FmL\n\nor\n\n\\- CSF syphilis antibodies.","ALL","18 Years",{"count":20,"type":21},1900,"ESTIMATED","OBSERVATIONAL","The Danish Study Group of Infections of the Brain is a collaboration between all departments of infectious diseases in Denmark. The investigators aim to monitor epidemiological trends in central nervous system (CNS) infections by a prospective registration of clinical characteristics and outcome of all adult (\\>17 years of age) patients with community-acquired CNS infections diagnosed and\u002For treated at departments of infectious diseases in Denmark since 1st of January 2015.",[25,26,27,28,29,30,31,32,33,34,35,36],"Central Nervous System Infections","Bacterial Meningitis","Viral Meningitis","Aseptic Meningitis","Encephalitis","Brain Abscess","Neuroborreliosis","Neurosyphilis","Lyme Disease","Tertiary Syphilis","Cerebral Abscess","Meningitis",[38,39,25,36,29,40,41,31,32,42],"Nationwide prospective observational cohort study","Epidemiology","Brain abscess","Lyme disease","Tertiary syphilis","RECRUITING","2024-05-15",{"date":46,"type":47},"2024-05-16","ACTUAL",{"date":49,"type":47},"2015-01-01",{"date":51,"type":21},"2030-01-01",{"name":53,"class":54},"Aalborg University Hospital","OTHER",8]