2025
Switching from menthol to non-menthol cigarettes does not impact acute responses to intravenous nicotine
Wolkowicz N, Parida S, Gueorguieva R, Sofuoglu M. Switching from menthol to non-menthol cigarettes does not impact acute responses to intravenous nicotine. Pharmacology Biochemistry And Behavior 2025, 249: 173985. PMID: 40010441, PMCID: PMC11932434, DOI: 10.1016/j.pbb.2025.173985.Peer-Reviewed Original ResearchConceptsContinuous Performance TestResponse to nicotineNicotine infusionNon-menthol cigarettesAcute responses to nicotineExperimental sessionsIntravenous nicotine infusionsNicotine metabolite ratioSmoking conditionsDaily cigarette smokingTobacco withdrawalWithdrawal severitySmoking urgesNicotine administrationCigarette consumptionIntravenous nicotineSmoking menthol cigarettesDrug effectsNicotineReduce cigarette consumptionHeart rate responseMetabolite ratiosBlood levelsPrimary outcomeInfusion period
2012
Efficacy of pimozide augmentation for clozapine partial responders with schizophrenia
Gunduz-Bruce H, Oliver S, Gueorguieva R, Forselius-Bielen K, D'Souza DC, Zimolo Z, Tek C, Kaliora S, Ray S, Petrides G. Efficacy of pimozide augmentation for clozapine partial responders with schizophrenia. Schizophrenia Research 2012, 143: 344-347. PMID: 23219861, DOI: 10.1016/j.schres.2012.11.008.Peer-Reviewed Original ResearchConceptsBrief Psychiatric Rating ScaleTreatment-resistant schizophreniaClinical trialsNegative symptomsDouble-blind placeboAdequate blood levelsPsychiatric Rating ScaleNeurocognitive measuresAttention/executive functionBPRS totalPartial respondersPartial responseStudy entryQTc intervalBlood levelsClozapine's effectSide effectsNeurocognitive functionPatientsWeekly assessmentsClozapineNeurocognitive testsRating ScaleSchizophreniaTrials
2006
Preliminary evidence of reduced occipital GABA concentrations in puerperal women: a 1H-MRS study
Epperson CN, Gueorguieva R, Czarkowski KA, Stiklus S, Sellers E, Krystal JH, Rothman DL, Mason GF. Preliminary evidence of reduced occipital GABA concentrations in puerperal women: a 1H-MRS study. Psychopharmacology 2006, 186: 425. PMID: 16724188, DOI: 10.1007/s00213-006-0313-7.Peer-Reviewed Original ResearchConceptsPostpartum major depressionCortical GABA concentrationsGABA concentrationPostpartum womenOccipital cortex GABA concentrationsOccipital cortex GABA levelsProton magnetic resonance spectroscopy studyFollicular phase femalesGamma-aminobutyric acid concentrationResumption of menstruationFollicular phase womenMonths of deliveryMid-follicular phaseOvarian hormone levelsSubgroup of womenMagnetic resonance spectroscopy studyAllopregnanolone concentrationsPuerperal womenALLO levelsBlood levelsPostpartum periodHealthy controlsMajor depressionGABA levelsHormone levels
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