Nctid:
NCT00000258
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"=>"Literacy", "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"=>["NA"], "studyType"=>"INTERVENTIONAL", "designInfo"=>{"allocation"=>"RANDOMIZED", "maskingInfo"=>{"masking"=>"DOUBLE", "whoMasked"=>["PARTICIPANT", "INVESTIGATOR"]}, "interventionModel"=>"CROSSOVER"}, "enrollmentInfo"=>{"type"=>"ACTUAL", "count"=>22}}, "statusModule"=>{"overallStatus"=>"COMPLETED", "startDateStruct"=>{"date"=>"1996-04"}, "expandedAccessInfo"=>{"hasExpandedAccess"=>false}, "statusVerifiedDate"=>"2015-05", "completionDateStruct"=>{"date"=>"1997-11", "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"=>"1997-11", "type"=>"ACTUAL"}}, "outcomesModule"=>{"primaryOutcomes"=>[{"measure"=>"Choice of nitrous oxide vs placebo", "timeFrame"=>"After 30 min inhalation of each", "description"=>"Subjects inhaled placebo and varying per centages of nitrous oxide in sampling pair, then chose for third inhalation. One group was told which of the gases they were inhaling during sampling and one group as well as the technician administering the inhalant was blinded. Psychomotor tests were done at each dose."}]}, "conditionsModule"=>{"keywords"=>["nitrous oxide", "instruction", "subjective effects", "reinforcer", "healthy volunteer"], "conditions"=>["Opioid-Related Disorders", "Substance-Related Disorders"]}, "referencesModule"=>{"references"=>[{"pmid"=>"9363407", "type"=>"BACKGROUND", "citation"=>"Zacny JP, Cho AM, Toledano AY, Galinkin J, Coalson DW, Klock PA, Klafta JM, Young CJ. Effects of information on the reinforcing, subjective, and psychomotor effects of nitrous oxide in healthy volunteers. Drug Alcohol Depend. 1997 Nov 25;48(2):85-95. doi: 10.1016/s0376-8716(97)00114-2."}]}, "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. Comparisons between nitrous oxide, opiates, and benzodiazepine antagonists will be made. To evaluate the role of instructions in nitrous oxide subjective effects and choice."}, "eligibilityModule"=>{"sex"=>"ALL", "stdAges"=>["ADULT"], "maximumAge"=>"32 years", "minimumAge"=>"21 years", "healthyVolunteers"=>true, "eligibilityCriteria"=>"Please contact site for information."}, "identificationModule"=>{"nctId"=>"NCT00000258", "briefTitle"=>"Role of Instructions in Nitrous Oxide Effects and Choice - 10", "organization"=>{"class"=>"OTHER", "fullName"=>"University of Chicago"}, "officialTitle"=>"Role of Instructions in Nitrous Oxide Effects and Choice", "orgStudyIdInfo"=>{"id"=>"NIDA-08391-10"}, "secondaryIdInfos"=>[{"id"=>"R01DA008391", "link"=>"https://reporter.nih.gov/quickSearch/R01DA008391", "type"=>"NIH"}, {"id"=>"R01-08391-10"}]}, "armsInterventionsModule"=>{"armGroups"=>[{"type"=>"ACTIVE_COMPARATOR", "label"=>"Informed group", "description"=>"Group inhaled placebo and varying doses of nitrous oxide in pairs then chose which they wanted for a third inhalation.", "interventionNames"=>["Drug: Nitrous oxide 10% & placebo", "Drug: Nitrous oxide 20% & placebo", "Drug: Nitrous oxide 30% & placebo", "Drug: Nitrous oxide 40% and placebo"]}, {"type"=>"ACTIVE_COMPARATOR", "label"=>"Non-informed Group", "description"=>"Group and technician were blinded as to which gas they were inhaling in pairs with third inhalation subject's choice.", "interventionNames"=>["Drug: Nitrous oxide 10% & placebo", "Drug: Nitrous oxide 20% & placebo", "Drug: Nitrous oxide 30% & placebo", "Drug: Nitrous oxide 40% and placebo"]}], "interventions"=>[{"name"=>"Nitrous oxide 10% & placebo", "type"=>"DRUG", "armGroupLabels"=>["Informed group", "Non-informed Group"]}, {"name"=>"Nitrous oxide 20% & placebo", "type"=>"DRUG", "armGroupLabels"=>["Informed group", "Non-informed Group"]}, {"name"=>"Nitrous oxide 30% & placebo", "type"=>"DRUG", "armGroupLabels"=>["Informed group", "Non-informed Group"]}, {"name"=>"Nitrous oxide 40% and placebo", "type"=>"DRUG", "armGroupLabels"=>["Informed group", "Non-informed Group"]}]}, "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"}}}}
