2009
Adolescent cannabis use increases risk for cocaine-induced paranoia
Kalayasiri R, Gelernter J, Farrer L, Weiss R, Brady K, Gueorguieva R, Kranzler HR, Malison RT. Adolescent cannabis use increases risk for cocaine-induced paranoia. Drug And Alcohol Dependence 2009, 107: 196-201. PMID: 19944543, PMCID: PMC2821949, DOI: 10.1016/j.drugalcdep.2009.10.006.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdolescent BehaviorAge FactorsAge of OnsetCannabisCatechol O-MethyltransferaseCocaine-Related DisordersFemaleGene FrequencyGenetic Predisposition to DiseaseHumansLogistic ModelsMaleParanoid DisordersPolymerase Chain ReactionPrevalencePsychiatric Status Rating ScalesRisk FactorsSeverity of Illness IndexSiblingsUnited StatesConceptsAdolescent onset cannabisEarly cannabis exposureCocaine-dependent individualsCocaine-induced paranoiaCannabis exposureRisk factorsCOMT genotypeSemi-Structured AssessmentCatechol-O-methyl transferase (COMT) geneCOMT Val158Met genotypeCannabis abuseIncrease riskPsychotic symptomsOnset interactionPsychotic disordersStimulant abuseDrug dependenceFamily-based studyLogistic regressionEarly exposureAdolescent cannabisCannabisGenetic factorsSignificant predictorsVal158Met genotype
2006
Self-reported paranoia during laboratory “binge” cocaine self-administration in humans
Kalayasiri R, Sughondhabirom A, Gueorguieva R, Coric V, Lynch WJ, Morgan PT, Cubells JF, Malison RT. Self-reported paranoia during laboratory “binge” cocaine self-administration in humans. Pharmacology Biochemistry And Behavior 2006, 83: 249-256. PMID: 16549106, DOI: 10.1016/j.pbb.2006.02.005.Peer-Reviewed Original ResearchConceptsCocaine-induced paranoiaIntravenous cocaine self-administration sessionsPlacebo-controlled designCocaine self-administration sessionsCocaine-dependent volunteersSelf-administration sessionsTest-retest sessionsCocaine doseHigh dosesCocaine useSignificant main effectDoseDosesSelf-reported paranoiaSubjectsVulnerable subjects