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A Randomized, Double-Blind, Placebo-Controlled, 2-Period Crossover Study to Evaluate the Effect of Intranasal Esketamine on Cognitive Functioning in Healthy Subjects

To evaluate the effect of intranasal esketamine 84 mg on cognition, and duration of cognitive effects (if present), as assessed using a computerized test battery (Cogstate®).

Effect of low-dose esketamine on postoperative delirium in patients undergoing noncardiac surgery.

Primary Objective:In this pilot study, the authors aim is to investigate whether esketamine reduces the incidence of POD in elderly patientspresenting for noncardiac surgery.Secondary Objective(s):To examine whether esketamine has an effect on the…

Randomized, Double-Blind, Double-Dummy, Placebo-Controlled 4-way Crossover Study to assess the Pharmacodynamics and Pharmacokinetics of Oral and Intravenous S-Ketamine in Healthy Volunteers

Primary Objectives* To investigate the effects of PO and IV S-ketamine and its metabolite S-norketamine on functional CNS tests up to 6h (acute effects) and 24h (delayed effects) after administration using NeuroCart test battery in healthy subjects…