Nctid:
NCT00000249
Payload:
{"hasResults"=>false, "derivedSection"=>{"miscInfoModule"=>{"versionHolder"=>"2024-12-20"}, "conditionBrowseModule"=>{"meshes"=>[{"id"=>"D019966", "term"=>"Substance-Related Disorders"}, {"id"=>"D009293", "term"=>"Opioid-Related Disorders"}], "ancestors"=>[{"id"=>"D064419", "term"=>"Chemically-Induced Disorders"}, {"id"=>"D001523", "term"=>"Mental Disorders"}, {"id"=>"D000079524", "term"=>"Narcotic-Related Disorders"}], "browseLeaves"=>[{"id"=>"M21837", "name"=>"Substance-Related Disorders", "asFound"=>"Substance-Related Disorders", "relevance"=>"HIGH"}, {"id"=>"M12244", "name"=>"Opioid-Related Disorders", "asFound"=>"Opioid-Related Disorders", "relevance"=>"HIGH"}, {"id"=>"M30302", "name"=>"Chemically-Induced Disorders", "relevance"=>"LOW"}, {"id"=>"M14473", "name"=>"Psychotic Disorders", "relevance"=>"LOW"}, {"id"=>"M4815", "name"=>"Mental Disorders", "relevance"=>"LOW"}, {"id"=>"M2057", "name"=>"Narcotic-Related Disorders", "relevance"=>"LOW"}], "browseBranches"=>[{"name"=>"Substance Related Disorders", "abbrev"=>"BC25"}, {"name"=>"Behaviors and Mental Disorders", "abbrev"=>"BXM"}, {"name"=>"All Conditions", "abbrev"=>"All"}]}, "interventionBrowseModule"=>{"meshes"=>[{"id"=>"D009609", "term"=>"Nitrous Oxide"}], "ancestors"=>[{"id"=>"D018685", "term"=>"Anesthetics, Inhalation"}, {"id"=>"D018681", "term"=>"Anesthetics, General"}, {"id"=>"D000777", "term"=>"Anesthetics"}, {"id"=>"D002492", "term"=>"Central Nervous System Depressants"}, {"id"=>"D045505", "term"=>"Physiological Effects of Drugs"}, {"id"=>"D018712", "term"=>"Analgesics, Non-Narcotic"}, {"id"=>"D000700", "term"=>"Analgesics"}, {"id"=>"D018689", "term"=>"Sensory System Agents"}, {"id"=>"D018373", "term"=>"Peripheral Nervous System Agents"}], "browseLeaves"=>[{"id"=>"M12546", "name"=>"Nitrous Oxide", "asFound"=>"Placed into", "relevance"=>"HIGH"}, {"id"=>"M4107", "name"=>"Anesthetics", "relevance"=>"LOW"}, {"id"=>"M20765", "name"=>"Anesthetics, Inhalation", "relevance"=>"LOW"}, {"id"=>"M20761", "name"=>"Anesthetics, General", "relevance"=>"LOW"}, {"id"=>"M4032", "name"=>"Analgesics", "relevance"=>"LOW"}, {"id"=>"M20786", "name"=>"Analgesics, Non-Narcotic", "relevance"=>"LOW"}], "browseBranches"=>[{"name"=>"Analgesics", "abbrev"=>"Analg"}, {"name"=>"Central Nervous System Depressants", "abbrev"=>"CNSDep"}, {"name"=>"All Drugs and Chemicals", "abbrev"=>"All"}]}}, "protocolSection"=>{"designModule"=>{"phases"=>["PHASE2"], "studyType"=>"INTERVENTIONAL", "designInfo"=>{"allocation"=>"NON_RANDOMIZED", "maskingInfo"=>{"masking"=>"DOUBLE", "whoMasked"=>["PARTICIPANT", "INVESTIGATOR"]}, "primaryPurpose"=>"TREATMENT", "interventionModel"=>"CROSSOVER"}, "enrollmentInfo"=>{"type"=>"ACTUAL", "count"=>10}}, "statusModule"=>{"overallStatus"=>"COMPLETED", "startDateStruct"=>{"date"=>"1993-09"}, "expandedAccessInfo"=>{"hasExpandedAccess"=>false}, "statusVerifiedDate"=>"2015-05", "completionDateStruct"=>{"date"=>"1995-06", "type"=>"ACTUAL"}, "lastUpdateSubmitDate"=>"2015-05-26", "studyFirstSubmitDate"=>"1999-09-20", "studyFirstSubmitQcDate"=>"1999-09-20", "lastUpdatePostDateStruct"=>{"date"=>"2015-05-28", "type"=>"ESTIMATED"}, "studyFirstPostDateStruct"=>{"date"=>"1999-09-21", "type"=>"ESTIMATED"}, "primaryCompletionDateStruct"=>{"date"=>"1995-06", "type"=>"ACTUAL"}}, "outcomesModule"=>{"primaryOutcomes"=>[{"measure"=>"Pain intensity", "timeFrame"=>"during cold test at 10 min & 30 min of inhalation", "description"=>"Subjects immersed non-dominant arm for 3 minutes twice in 2-3 degree C water while inhaling 0 (placebo), 20, 30, or 40% N2O for a total of 40 minutes"}]}, "conditionsModule"=>{"keywords"=>["nitrous oxide", "subjective effects", "healthy volunteer"], "conditions"=>["Opioid-Related Disorders", "Substance-Related Disorders"]}, "referencesModule"=>{"references"=>[{"type"=>"BACKGROUND", "citation"=>"Pharmocol Biochem and Behavior 1995, 51( 2): 323-329"}]}, "descriptionModule"=>{"briefSummary"=>"The purpose of this study is to conduct experiments to examine subjective and reinforcing effects of nitrous oxide. Mood altering and psychomotor effects will be tested on non-drug abusers and preference procedures will be used to assess reinforcing effects. To examine effects of subanesthetic concentrations of nitrous oxide on cold-pressor pain in humans."}, "eligibilityModule"=>{"sex"=>"ALL", "stdAges"=>["ADULT"], "maximumAge"=>"37 years", "minimumAge"=>"21 years", "healthyVolunteers"=>true, "eligibilityCriteria"=>"Please contact site for information."}, "identificationModule"=>{"nctId"=>"NCT00000249", "briefTitle"=>"Effects of Subanesthetic Concentrations of Nitrous Oxide - 1", "organization"=>{"class"=>"OTHER", "fullName"=>"University of Chicago"}, "officialTitle"=>"Effects of Subanesthetic Concentrations of Nitrous Oxide", "orgStudyIdInfo"=>{"id"=>"NIDA-08391-1"}, "secondaryIdInfos"=>[{"id"=>"R01DA008391", "link"=>"https://reporter.nih.gov/quickSearch/R01DA008391", "type"=>"NIH"}, {"id"=>"R01-08391-1"}]}, "armsInterventionsModule"=>{"armGroups"=>[{"type"=>"NO_INTERVENTION", "label"=>"Control", "description"=>"Subject inhaled 0% N2O for 40 minutes with cold immersion at 10 and 30 minutes"}, {"type"=>"ACTIVE_COMPARATOR", "label"=>"20% N2O", "description"=>"Subject inhaled 20% N2O for 40 minutes with cold immersion at 10 \\& 30 minutes", "interventionNames"=>["Drug: 20% N2O"]}, {"type"=>"ACTIVE_COMPARATOR", "label"=>"30% N2O", "description"=>"Subject inhaled 30% N2O for 40 minutes with cold immersion at 10 and 30 minutes", "interventionNames"=>["Drug: 30% N2O"]}, {"type"=>"ACTIVE_COMPARATOR", "label"=>"40% N2O", "description"=>"Subject inhaled 40% N2O for 40 minutes with cold immersion at 10 and 30 minutes", "interventionNames"=>["Drug: 40% N2O"]}], "interventions"=>[{"name"=>"20% N2O", "type"=>"DRUG", "description"=>"20% inhaled N2O", "armGroupLabels"=>["20% N2O"]}, {"name"=>"30% N2O", "type"=>"DRUG", "description"=>"30% inhaled N2O", "armGroupLabels"=>["30% N2O"]}, {"name"=>"40% N2O", "type"=>"DRUG", "description"=>"40% inhaled N2O", "armGroupLabels"=>["40% N2O"]}]}, "contactsLocationsModule"=>{"locations"=>[{"zip"=>"60637", "city"=>"Chicago", "state"=>"Illinois", "country"=>"United States", "facility"=>"University of Chicago, Anesthesia & Critical Care", "geoPoint"=>{"lat"=>41.85003, "lon"=>-87.65005}}], "overallOfficials"=>[{"name"=>"James Zacny, Ph.D.", "role"=>"PRINCIPAL_INVESTIGATOR", "affiliation"=>"University of Chicago"}]}, "sponsorCollaboratorsModule"=>{"leadSponsor"=>{"name"=>"University of Chicago", "class"=>"OTHER"}, "collaborators"=>[{"name"=>"National Institute on Drug Abuse (NIDA)", "class"=>"NIH"}], "responsibleParty"=>{"type"=>"SPONSOR"}}}}
