A preliminary naturalistic study of low-dose ketamine for depression and suicide ideation in the emergency department.

Study at a glance

Characteristics	Naturalistic study Peer reviewed
Intervention	Ketamine
Dose	low-dose
Topics	Depression Esketamine Ketamine
Key points	The abstract does not report any findings or conclusions, only the study's purpose and design.

Other observational and cohort studies on ketamine for depression, most cited first.

Study	Year	Design	Participants
Concomitant BDNF and sleep slow wave changes indicate ketamine-induced plasticity in major depressive disorder Patients with treatment-resistant major depressive disorder	2012	Observational cohort	n = 30
Altered peripheral immune profiles in treatment-resistant depression: response to ketamine and prediction of treatment outcome Healthy controls and actively depressed patients with treatment-resistant depression...	2017	Observational cohort	n = 59
Clinical Predictors of Ketamine Response in Treatment-Resistant Major Depression Treatment-resistant inpatients with DSM-IV-TR-diagnosed major depressive disorder or...	2014	Post hoc analysis of pooled data from four studies	n = 108
An investigation of amino-acid neurotransmitters as potential predictors of clinical improvement to ketamine in depression Drug-free patients with major depressive disorder	2011	Observational cohort	n = 14
Efficacy of ketamine therapy in the treatment of depression Drug-free/naïve men with severe depression, no history of psychotic disorder, head...	2019	Observational cohort	n = 25