2019
Maintenance of antidepressant and antisuicidal effects by D-cycloserine among patients with treatment-resistant depression who responded to low-dose ketamine infusion: a double-blind randomized placebo–control study
Chen MH, Cheng CM, Gueorguieva R, Lin WC, Li CT, Hong CJ, Tu PC, Bai YM, Tsai SJ, Krystal JH, Su TP. Maintenance of antidepressant and antisuicidal effects by D-cycloserine among patients with treatment-resistant depression who responded to low-dose ketamine infusion: a double-blind randomized placebo–control study. Neuropsychopharmacology 2019, 44: 2112-2118. PMID: 31421635, PMCID: PMC6898334, DOI: 10.1038/s41386-019-0480-y.Peer-Reviewed Original ResearchConceptsTreatment-resistant depressionAntisuicidal effectsPlacebo groupKetamine infusionDCS groupD-cycloserineDouble-blind randomized placebo-controlled studyN-methyl-D-aspartate (NMDA) glutamate receptorsHamilton Depression Rating Scale scoresLow-dose ketamine infusionRandomized placebo-controlled studyDepression Rating Scale scoresHAMD item 3Single subanesthetic doseInitial clinical responsePlacebo-controlled studyRating Scale scoresClinical responseDose titrationSubanesthetic doseAugmentation treatmentGlutamate receptorsMixed model analysisSuicidal riskScale scoreImpact of midazolam vs. saline on effect size estimates in controlled trials of ketamine as a rapid-acting antidepressant
Wilkinson ST, Farmer C, Ballard E, Mathew SJ, Grunebaum MF, Murrough JW, Sos P, Wang G, Gueorguieva R, Zarate CA. Impact of midazolam vs. saline on effect size estimates in controlled trials of ketamine as a rapid-acting antidepressant. Neuropsychopharmacology 2019, 44: 1233-1238. PMID: 30653192, PMCID: PMC6785710, DOI: 10.1038/s41386-019-0317-8.Peer-Reviewed Original ResearchConceptsTrial of ketamineEffectiveness of midazolamRapid acting antidepressantsSaline-controlled studyPatient-level analysisEffects of ketamineImpact of midazolamClinical outcomesMidazolam dosesKetamine dosesKetamine studiesMood disordersMidazolamResponse rateModel-estimated rateKetamineTrial outcomesSalineEffect size estimatesGreater improvementEffect sizeDosesControl conditionOutcomesSimilar results
2011
Lateral ventricle volume and psychotic features in adolescents and adults with bipolar disorder
Edmiston EE, Wang F, Kalmar JH, Womer FY, Chepenik LG, Pittman B, Gueorguieva R, Hur E, Spencer L, Staib LH, Constable RT, Fulbright RK, Papademetris X, Blumberg HP. Lateral ventricle volume and psychotic features in adolescents and adults with bipolar disorder. Psychiatry Research 2011, 194: 400-402. PMID: 22041535, PMCID: PMC3225709, DOI: 10.1016/j.pscychresns.2011.07.005.Peer-Reviewed Original Research
2005
Preliminary evidence for medication effects on functional abnormalities in the amygdala and anterior cingulate in bipolar disorder
Blumberg HP, Donegan NH, Sanislow CA, Collins S, Lacadie C, Skudlarski P, Gueorguieva R, Fulbright RK, McGlashan TH, Gore JC, Krystal JH. Preliminary evidence for medication effects on functional abnormalities in the amygdala and anterior cingulate in bipolar disorder. Psychopharmacology 2005, 183: 308-313. PMID: 16249909, DOI: 10.1007/s00213-005-0156-7.Peer-Reviewed Original ResearchMeSH KeywordsAdultAmygdalaBipolar DisorderEmotionsFacial ExpressionFemaleGyrus CinguliHumansMagnetic Resonance ImagingMaleMiddle AgedConceptsUnmedicated bipolar disorderMood-stabilizing medicationsBipolar disorderBD participantsPotential treatment targetMagnetic resonance imagingPreliminary evidenceMethodsFunctional magnetic resonance imagingAnterior cingulate activationResultsThe groupMedication effectsFunctional abnormalitiesHealthy comparison participantsObjectivesThe aimAnterior cingulateTreatment targetsResonance imagingMedicationsHC participantsAmygdala activationCingulate activationAmygdala increasesComparison participantsEmotional stimuliAbnormalities