The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry
June 1, 2026
Chittaranjan Behera, Srishti Gupta, Richard C. Shelton et al.
2 citations
Suicide is a major global health problem. Growing evidence shows that immune dysregulation and inflammation contribute to suicidality. This review summarises inflammatory mechanisms associated with suicidal behaviour and evaluates emerging therapeutic strategies targeting these pathways. A narrative literature review was conducted using a combination of keywords, including suicide, therapy,...
Expert Opin Investig Drugs
May 26, 2026
Mina Takahashi, Richard C. Shelton
INTRODUCTION: Bipolar depression with acute suicidal ideation and behavior (ASIB) is a life- threatening manifestation of bipolar disorder (BD), with a suicide risk higher than that in other psychiatric disorders and the general population. Rapid and effective interventions are critical, as traditional therapies are often slow and frequently insufficient. Currently, no drug is approved by the...
JAMA Network Open
May 7, 2026
Peter S. Hendricks, Sara N Lappan, Richard C. Shelton et al.
4 citations
Importance: Cocaine use disorder is a serious public health problem and no medications have been proven effective for its treatment. Objective: To evaluate psilocybin in the treatment of cocaine use disorder. It was hypothesized that psilocybin, compared with placebo, would yield a higher percentage of cocaine abstinent days, a greater likelihood of complete abstinence from cocaine, and a...
JAMA Psychiatry
July 2, 2025
Adam Janik, Xin Qiu, Rosanne Lane et al.
40 citations
Esketamine nasal spray, administered in conjunction with an oral antidepressant, is approved for treatment-resistant depression (TRD). However, the efficacy of esketamine nasal spray administered as monotherapy for patients with TRD has not yet been evaluated. To assess the efficacy and safety of esketamine monotherapy compared to placebo in reducing depressive symptoms in patients with TRD....
The International Journal of Neuropsychopharmacology
December 1, 2024
Craig Chepke, Richard C. Shelton, Gerard Sanacora et al.
7 citations
Esketamine nasal spray (ESK) is approved, in conjunction with an oral antidepressant, for the treatment of treatment-resistant depression in adults and for the treatment of depressive symptoms in adults with major depressive disorder with acute suicidal ideation or behavior. No adverse events (AEs) of respiratory depression were reported in ESK phase 3 clinical trials; however, postmarketing...
World Psychiatry
September 15, 2023
Roger S McIntyre, Mohammad Alsuwaidan, Bernhard T Baune et al.
712 citations
Treatment‐resistant depression (TRD) is common and associated with multiple serious public health implications. A consensus definition of TRD with demonstrated predictive utility in terms of clinical decision‐making and health outcomes does not currently exist. Instead, a plethora of definitions have been proposed, which vary significantly in their conceptual framework. The absence of a...
CNS Spectrums
July 29, 2022
Ibrahim Turkoz, Oliver Lopena, Giacomo Salvadore et al.
6 citations
Abstract Objective To assess the likelihood of attaining response/remission of depressive symptoms with esketamine nasal spray (ESK) plus standard of care (SoC) vs placebo nasal spray (PBO) plus SoC at 4 weeks in patients with major depressive disorder and active suicidal ideation with intent (MDSI) without early response. Methods A post hoc analysis of pooled data from ASPIRE I and ASPIRE II...
JAMA Psychiatry
June 5, 2019
Ella Daly, Madhukar H. Trivedi, Adam Janik et al.
766 citations
Importance: Controlled studies have shown short-term efficacy of esketamine for treatment-resistant depression (TRD), but long-term effects remain to be established. Objective: To assess the efficacy of esketamine nasal spray plus an oral antidepressant compared with an oral antidepressant plus placebo nasal spray in delaying relapse of depressive symptoms in patients with TRD in stable...
American Journal of Psychiatry
May 21, 2019
Vanina Popova, Ella Daly, Madhukar H. Trivedi et al.
879 citations
OBJECTIVE: About one-third of patients with depression fail to achieve remission despite treatment with multiple antidepressants. This study compared the efficacy and safety of switching patients with treatment-resistant depression from an ineffective antidepressant to flexibly dosed esketamine nasal spray plus a newly initiated antidepressant or to a newly initiated antidepressant (active...
JAMA Psychiatry
December 27, 2017
Ella Daly, Jaskaran Singh, Maggie Fedgchin et al.
708 citations
Importance: Approximately one-third of patients with major depressive disorder (MDD) do not respond to available antidepressants. Objective: To assess the efficacy, safety, and dose-response of intranasal esketamine hydrochloride in patients with treatment-resistant depression (TRD). Design, Setting, and Participants: This phase 2, double-blind, doubly randomized, delayed-start,...
American Journal of Psychiatry
April 8, 2016
Jaskaran Singh, Maggie Fedgchin, Ella Daly et al.
530 citations
OBJECTIVE: Ketamine, an N-methyl-d-aspartate glutamate receptor antagonist, has demonstrated a rapid-onset antidepressant effect in patients with treatment-resistant depression. This study evaluated the efficacy of twice- and thrice-weekly intravenous administration of ketamine in sustaining initial antidepressant effects in patients with treatment-resistant depression. METHOD: In a...