2017
Ketamine-induced reduction in mGluR5 availability is associated with an antidepressant response: an [11C]ABP688 and PET imaging study in depression
Esterlis I, DellaGioia N, Pietrzak RH, Matuskey D, Nabulsi N, Abdallah CG, Yang J, Pittenger C, Sanacora G, Krystal JH, Parsey RV, Carson RE, DeLorenzo C. Ketamine-induced reduction in mGluR5 availability is associated with an antidepressant response: an [11C]ABP688 and PET imaging study in depression. Molecular Psychiatry 2017, 23: 824-832. PMID: 28397841, PMCID: PMC5636649, DOI: 10.1038/mp.2017.58.Peer-Reviewed Original ResearchConceptsMajor depressive disorderMGluR5 availabilityPositron emission tomographyKetamine administrationControl groupAspartate glutamate receptor antagonistIntravenous ketamine administrationKetamine-induced reductionMetabotropic glutamatergic receptorsRapid antidepressant effectsGlutamate receptor antagonistsKetamine-induced changesEffects of ketaminePET imaging studiesMechanism of actionGlutamate surgeAntidepressant effectsAntidepressant efficacyAntidepressant responseGlutamatergic receptorsControl subjectsReceptor antagonistHealthy controlsDepressive disorderSustained decrease
2016
KETAMINE'S MECHANISM OF ACTION: A PATH TO RAPID‐ACTING ANTIDEPRESSANTS
Abdallah CG, Adams TG, Kelmendi B, Esterlis I, Sanacora G, Krystal JH. KETAMINE'S MECHANISM OF ACTION: A PATH TO RAPID‐ACTING ANTIDEPRESSANTS. Depression And Anxiety 2016, 33: 689-697. PMID: 27062302, PMCID: PMC4961540, DOI: 10.1002/da.22501.Peer-Reviewed Original ResearchConceptsMajor depressive disorderAntidepressant effectsKetamine's mechanismN-methyl-D-aspartate receptor antagonistRapid-acting antidepressant effectsPrefrontal cortexSingle subanesthetic doseRapid antidepressant effectsTreatment-resistant depressionFull therapeutic effectEfficacy of ketamineKetamine's antidepressant effectsRapid acting antidepressantsFuture clinical prospectsGlutamate surgeTraditional antidepressantsAntidepressant medicationCascade of eventsReceptor antagonistSubanesthetic doseDepressive disorderClinical dataTherapeutic effectTreatment responseLimited efficacy