Nctid:
NCT00001497
Payload:
{"hasResults"=>false, "derivedSection"=>{"miscInfoModule"=>{"versionHolder"=>"2024-12-20"}, "conditionBrowseModule"=>{"meshes"=>[{"id"=>"D007239", "term"=>"Infections"}, {"id"=>"D003141", "term"=>"Communicable Diseases"}, {"id"=>"D006948", "term"=>"Hyperkinesis"}, {"id"=>"D010243", "term"=>"Paralysis"}, {"id"=>"D001289", "term"=>"Attention Deficit Disorder with Hyperactivity"}], "ancestors"=>[{"id"=>"D020969", "term"=>"Disease Attributes"}, {"id"=>"D010335", "term"=>"Pathologic Processes"}, {"id"=>"D019958", "term"=>"Attention Deficit and Disruptive Behavior Disorders"}, {"id"=>"D065886", "term"=>"Neurodevelopmental Disorders"}, {"id"=>"D001523", "term"=>"Mental Disorders"}, {"id"=>"D020820", "term"=>"Dyskinesias"}, {"id"=>"D009461", "term"=>"Neurologic Manifestations"}, {"id"=>"D009422", "term"=>"Nervous System Diseases"}], "browseLeaves"=>[{"id"=>"M10283", "name"=>"Infections", "asFound"=>"Infection", "relevance"=>"HIGH"}, {"id"=>"M6368", "name"=>"Communicable Diseases", "asFound"=>"Infection", "relevance"=>"HIGH"}, {"id"=>"M4594", "name"=>"Attention Deficit Disorder with Hyperactivity", "asFound"=>"Attention Deficit Disorder With Hyperactivity", "relevance"=>"HIGH"}, {"id"=>"M9999", "name"=>"Hyperkinesis", "asFound"=>"Hyperactivity", "relevance"=>"HIGH"}, {"id"=>"M13157", "name"=>"Paralysis", "asFound"=>"Paralysis", "relevance"=>"HIGH"}, {"id"=>"M3522", "name"=>"Acquired Immunodeficiency Syndrome", "relevance"=>"LOW"}, {"id"=>"M18250", "name"=>"HIV Infections", "relevance"=>"LOW"}, {"id"=>"M22700", "name"=>"Disease Attributes", "relevance"=>"LOW"}, {"id"=>"M21830", "name"=>"Attention Deficit and Disruptive Behavior Disorders", "relevance"=>"LOW"}, {"id"=>"M30644", "name"=>"Neurodevelopmental Disorders", "relevance"=>"LOW"}, {"id"=>"M14473", "name"=>"Psychotic Disorders", "relevance"=>"LOW"}, {"id"=>"M4815", "name"=>"Mental Disorders", "relevance"=>"LOW"}, {"id"=>"M22574", "name"=>"Dyskinesias", "relevance"=>"LOW"}, {"id"=>"M12404", "name"=>"Neurologic Manifestations", "relevance"=>"LOW"}], "browseBranches"=>[{"name"=>"Infections", "abbrev"=>"BC01"}, {"name"=>"All Conditions", "abbrev"=>"All"}, {"name"=>"Symptoms and General Pathology", "abbrev"=>"BC23"}, {"name"=>"Behaviors and Mental Disorders", "abbrev"=>"BXM"}, {"name"=>"Nervous System Diseases", "abbrev"=>"BC10"}, {"name"=>"Urinary Tract, Sexual Organs, and Pregnancy Conditions", "abbrev"=>"BXS"}, {"name"=>"Immune System Diseases", "abbrev"=>"BC20"}]}}, "protocolSection"=>{"designModule"=>{"studyType"=>"OBSERVATIONAL", "enrollmentInfo"=>{"count"=>90}}, "statusModule"=>{"overallStatus"=>"COMPLETED", "startDateStruct"=>{"date"=>"1995-12"}, "expandedAccessInfo"=>{"hasExpandedAccess"=>false}, "statusVerifiedDate"=>"1999-11", "completionDateStruct"=>{"date"=>"2000-10"}, "lastUpdateSubmitDate"=>"2008-03-03", "studyFirstSubmitDate"=>"1999-11-03", "studyFirstSubmitQcDate"=>"2002-12-09", "lastUpdatePostDateStruct"=>{"date"=>"2008-03-04", "type"=>"ESTIMATED"}, "studyFirstPostDateStruct"=>{"date"=>"2002-12-10", "type"=>"ESTIMATED"}}, "conditionsModule"=>{"keywords"=>["Brain Imaging", "Encephalopathy", "Hyperactivity", "Neuroimmunology", "Reaction Time Tasks"], "conditions"=>["Attention Deficit Disorder With Hyperactivity", "HIV Infections", "Paralysis"]}, "referencesModule"=>{"references"=>[{"pmid"=>"6590573", "type"=>"BACKGROUND", "citation"=>"Brouwers P, Riccardi R, Poplack D, Fedio P. Attentional deficits in long-term survivors of childhood acute lymphoblastic leukemia (ALL). J Clin Neuropsychol. 1984 Aug;6(3):325-36. doi: 10.1080/01688638408401222."}, {"pmid"=>"7826274", "type"=>"BACKGROUND", "citation"=>"Brouwers P, DeCarli C, Civitello L, Moss H, Wolters P, Pizzo P. Correlation between computed tomographic brain scan abnormalities and neuropsychological function in children with symptomatic human immunodeficiency virus disease. Arch Neurol. 1995 Jan;52(1):39-44. doi: 10.1001/archneur.1995.00540250043011."}, {"pmid"=>"8338344", "type"=>"BACKGROUND", "citation"=>"DeCarli C, Civitello LA, Brouwers P, Pizzo PA. The prevalence of computed tomographic abnormalities of the cerebrum in 100 consecutive children symptomatic with the human immune deficiency virus. Ann Neurol. 1993 Aug;34(2):198-205. doi: 10.1002/ana.410340216."}]}, "descriptionModule"=>{"briefSummary"=>"Children with symptomatic HIV-1 (Human Immunodeficiency Virus) infection are at increased risk for developing severely disabling neurological and neuropsychological deficits. HIV-1 related CNS (Central Nervous System) disease is a clinical syndrome, manifested by varying and sometimes discordant degrees of cognitive, motor and behavioral impairment. A continuum of clinical presentations attributed to the effects of HIV-1 infection on the CNS, ranging from apparently normal development, decreases in the rate of new learning to the loss of acquired skills have been observed. Two domains of psychological functioning appear most susceptible to the effects of HIV infection on the central nervous system in children: expressive behavior and attentional processes (Brouwers, et al, 1994).\n\nAttention deficits have been documented as a relative weakness on the \"freedom from distractibility\" subclass of IQ tests (Brouwers et al, 1989) and on behavior assessment (Moss et al, 1994). Attention, however, has many subcomponents such as focused attention, divided attention, vigilance, etc. Direct assessment of attentional functioning using reaction time has not yet been conducted and questions whether attentional components are differentially affected by the virus have not been addressed.\n\nThe proposed study would assess different components of attentional functioning in children with HIV-1 disease. A quantitative and systematic method is developed that could complement the existing standardized instruments used for measuring attention and neurocognitive function in this population. Simple alerted visual reaction time will be measured with varying preparatory intervals, a two-choice reaction time in a go/no-go paradigm will be administered, and a continuous performance, divided reaction time test and an object decision task will be given. Performance on these measures will also be related to measures of brain structure and stage of HIV-1 disease.", "detailedDescription"=>"Children with symptomatic HIV-1 (Human Immunodeficiency Virus) infection are at increased risk for developing severely disabling neurological and neuropsychological deficits. HIV-1 related CNS (Central Nervous System) disease is a clinical syndrome, manifested by varying and sometimes discordant degrees of cognitive, motor and behavioral impairment. A continuum of clinical presentations attributed to the effects of HIV-1 infection on the CNS, ranging from apparently normal development, decreases in the rate of new learning to the loss of acquired skills have been observed. Two domains of psychological functioning appear most susceptible to the effects of HIV infection on the central nervous system in children: expressive behavior and attentional processes (Brouwers, et al, 1994).\n\nAttention deficits have been documented as a relative weakness on the \"freedom from distractibility\" subclass of IQ tests (Brouwers et al, 1989) and on behavior assessment (Moss et al, 1994). Attention, however, has many subcomponents such as focused attention, divided attention, vigilance, etc. Direct assessment of attentional functioning using reaction time has not yet been conducted and questions whether attentional components are differentially affected by the virus have not been addressed.\n\nThe proposed study would assess different components of attentional functioning in children with HIV-1 disease. A quantitative and systematic method is developed that could complement the existing standardized instruments used for measuring attention and neurocognitive function in this population. Simple alerted visual reaction time will be measured with varying preparatory intervals, a two-choice reaction time in a go/no-go paradigm will be administered, and a continuous performance, divided reaction time test and an object decision task will be given. Performance on these measures will also be related to measures of brain structure and stage of HIV-1 disease."}, "eligibilityModule"=>{"sex"=>"ALL", "stdAges"=>["CHILD", "ADULT", "OLDER_ADULT"], "healthyVolunteers"=>false, "eligibilityCriteria"=>"Children and adolescents with HIV infection ages 5-18.\n\nHave to be on another treatment protocol at the Division of Clinical Sciences, NCI.\n\nNo children with non-HIV associated CNS compromise, such as for example resulting from head trauma, or genetic factors.\n\nNo children with uncorrectable (20/20) vision."}, "identificationModule"=>{"nctId"=>"NCT00001497", "briefTitle"=>"Assessment of Attentional Functioning in Children With HIV-1 Infection", "organization"=>{"class"=>"NIH", "fullName"=>"National Institutes of Health Clinical Center (CC)"}, "officialTitle"=>"Assessment of Attentional Functioning in Children With HIV-1 Infection", "orgStudyIdInfo"=>{"id"=>"960030"}, "secondaryIdInfos"=>[{"id"=>"96-C-0030"}]}, "contactsLocationsModule"=>{"locations"=>[{"zip"=>"20892", "city"=>"Bethesda", "state"=>"Maryland", "country"=>"United States", "facility"=>"National Cancer Institute (NCI)", "geoPoint"=>{"lat"=>38.98067, "lon"=>-77.10026}}]}, "sponsorCollaboratorsModule"=>{"leadSponsor"=>{"name"=>"National Cancer Institute (NCI)", "class"=>"NIH"}}}}
