2022
mTORC1 inhibitor effects on rapid ketamine-induced reductions in suicidal ideation in patients with treatment-resistant depression
Averill LA, Averill CL, Gueorguieva R, Fouda S, Sherif M, Ahn KH, Ranganathan M, D'Souza DC, Southwick SM, Sanacora G, Duman RS, Krystal JH, Abdallah CG. mTORC1 inhibitor effects on rapid ketamine-induced reductions in suicidal ideation in patients with treatment-resistant depression. Journal Of Affective Disorders 2022, 303: 91-97. PMID: 35101523, DOI: 10.1016/j.jad.2022.01.104.Peer-Reviewed Original ResearchConceptsAntisuicidal effectsAntidepressant effectsSuicidal ideationKetamine-induced reductionTreatment-resistant depressionLimited treatment optionsCross-over trialMajor depressive episodeOral rapamycinPublic health crisisKetamine administrationTreatment optionsDepressive episodeParent studyOverall severityKetamineTwo weeksBeck ScaleRapamycin complex 1Mechanistic targetPatientsSignificant main effectHealth crisisRobust improvementFuture studies
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 score