2023
Placebo’s role in the rapid antidepressant effect
Sanacora G, Colloca L. Placebo’s role in the rapid antidepressant effect. Nature Mental Health 2023, 1: 820-821. DOI: 10.1038/s44220-023-00141-w.Peer-Reviewed Original ResearchRandomized placebo-controlled studyPlacebo-controlled studyRapid antidepressant effectsRapid antidepressant responseRapid antidepressant actionsStudy arm assignmentAntidepressant actionAntidepressant effectsAntidepressant responseSurgical anesthesiaTreatment assignmentHigh ratePlaceboAnesthesiaKetamineArketamine as adjunctive therapy for treatment-resistant depression: A placebo-controlled pilot study
Leal G, Souza-Marques B, Mello R, Bandeira I, Caliman-Fontes A, Carneiro B, Faria-Guimarães D, Guerreiro-Costa L, Jesus-Nunes A, Silva S, Lins-Silva D, Fontes M, Alves-Pereira R, Cordeiro V, Rugieri-Pacheco S, Santos-Lima C, Correia-Melo F, Vieira F, Sanacora G, Lacerda A, Quarantini L. Arketamine as adjunctive therapy for treatment-resistant depression: A placebo-controlled pilot study. Journal Of Affective Disorders 2023, 330: 7-15. PMID: 36871913, DOI: 10.1016/j.jad.2023.02.151.Peer-Reviewed Original ResearchConceptsTreatment-resistant depressionAntidepressant effectsPlacebo-controlled pilot studyPilot studyMain efficacy analysisAdjunctive therapyAdverse eventsOne-week intervalEfficacy analysisPreclinical dataFlexible dosesClinical trialsPilot trialHuman trialsSide effectsRacemic ketaminePlaceboFirst weekKetamineTrialsTreatment effectsSignificant differencesDepressionEffects modelParallel design
2022
Effect of Concomitant Benzodiazepines on the Antidepressant Effects of Ketamine: Findings From the RAPID Intravenous Ketamine Study.
Feeney A, Hoeppner B, Freeman M, Flynn M, Iosifescu D, Trivedi M, Sanacora G, Mathew S, DeBattista C, Ionescu D, Cusin C, Papakostas G, Jha M, Fava M. Effect of Concomitant Benzodiazepines on the Antidepressant Effects of Ketamine: Findings From the RAPID Intravenous Ketamine Study. The Journal Of Clinical Psychiatry 2022, 84 PMID: 36383742, DOI: 10.4088/jcp.22m14491.Peer-Reviewed Original ResearchConceptsMajor depressive disorderDifferential treatment responsePrimary outcome measureBenzodiazepine useOral benzodiazepinesTreatment responseDay 1Antidepressant effectsHigh dosesClinical Global Impressions-SeverityHamilton Depression Rating ScaleStudy's primary outcome measureIllness Scale scoresTreatment-resistant depressionRandomized clinical trialsDepression Rating ScaleBenzodiazepine dosageIntravenous ketamineConcomitant benzodiazepinesSingle infusionClinical trialsDepressive disorderKetamine studiesOutcome measuresBenzodiazepine effects
2012
Rapid Antidepressant Effect of Ketamine in the Electroconvulsive Therapy Setting
Abdallah CG, Fasula M, Kelmendi B, Sanacora G, Ostroff R. Rapid Antidepressant Effect of Ketamine in the Electroconvulsive Therapy Setting. Journal Of Ect 2012, 28: 157-161. PMID: 22847373, PMCID: PMC3426617, DOI: 10.1097/yct.0b013e31824f8296.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAnesthesiaAnesthetics, DissociativeAntidepressive AgentsBipolar DisorderCombined Modality TherapyDepressionDepressive Disorder, MajorElectroconvulsive TherapyElectroencephalographyFemaleHumansHypnotics and SedativesKetamineMaleMiddle AgedPsychiatric Status Rating ScalesSeizuresThiopentalTreatment OutcomeYoung AdultConceptsHamilton Depression Rating ScaleAntidepressant effectsElectroconvulsive therapyECT sessionsDepressive episodeN-methyl-D-aspartate receptor antagonist ketamineN-methyl-D-aspartate antagonistsCoadministration of ketamineFirst ECT sessionRapid antidepressant effectsSevere depressive episodeSignificant antidepressant effectMajor depressive episodeDepression Rating ScaleMajor depressive disorderSixth ECT sessionSignificant group effectImmediate antidepressant effectECT treatmentAntidepressant propertiesHDRS scoresDepressive disorderLow doseBipolar disorderKetamine
2011
The antidepressant effect of ketamine is not associated with changes in occipital amino acid neurotransmitter content as measured by [1H]-MRS
Valentine GW, Mason GF, Gomez R, Fasula M, Watzl J, Pittman B, Krystal JH, Sanacora G. The antidepressant effect of ketamine is not associated with changes in occipital amino acid neurotransmitter content as measured by [1H]-MRS. Psychiatry Research 2011, 191: 122-127. PMID: 21232924, PMCID: PMC3061550, DOI: 10.1016/j.pscychresns.2010.10.009.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntidepressive AgentsBlood PressureDepressive Disorder, MajorDissociative DisordersFemaleGamma-Aminobutyric AcidGlutamic AcidHeart RateHumansKetamineMagnetic Resonance SpectroscopyMaleMiddle AgedOccipital LobeProtonsPsychiatric Status Rating ScalesPsychometricsRetrospective StudiesSingle-Blind MethodStatistics as TopicTime FactorsYoung AdultConceptsMajor depressive disorderAntidepressant effectsAntidepressant actionNeurotransmitter contentNMDA receptor antagonist ketamineProton magnetic resonance spectroscopy methodConventional antidepressant treatmentKetamine's antidepressant actionSingle intravenous doseSingle-blind conditionsAntidepressant treatmentChronic treatmentKetamine infusionIntravenous dosePharmacodynamic basisDepressive disorderAcute actionsMRS scansOccipital cortexDepressive symptomsDepression scoresRating ScaleBaseline measuresInfusionKetamine
2008
Targeting the glutamatergic system to develop novel, improved therapeutics for mood disorders
Sanacora G, Zarate CA, Krystal JH, Manji HK. Targeting the glutamatergic system to develop novel, improved therapeutics for mood disorders. Nature Reviews Drug Discovery 2008, 7: 426-437. PMID: 18425072, PMCID: PMC2715836, DOI: 10.1038/nrd2462.Peer-Reviewed Original ResearchConceptsGlutamatergic systemMood disordersAntidepressant effectsNMDA antagonistsDouble-blind placebo-controlled crossover studyTreatment-resistant major depressive disorderPlacebo-controlled crossover studyGlutamate release inhibitorSignificant antidepressant effectNMDA receptor expressionRecurrent mental illnessSingle intravenous doseMajor depressive disorderPotential novel therapeuticsGlutamatergic abnormalitiesCrossover studyGlutamate releaseIntravenous doseMood stabilizersDepressive disorderReceptor expressionReceptor modulatorsEvidence of alterationsCerebrospinal fluidAMPA potentiators