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Effect of intranasal esketamine on cognitive functioning in healthy participants: a randomized, double-blind, placebo-controlled study.


ABSTRACT: BACKGROUND:The effect of intranasal esketamine on cognitive functioning in healthy participants is assessed in this study. METHODS:Twenty-four participants (19-49 years) were randomized to one of two treatment sequences in which either esketamine 84 mg or placebo was intranasally administered in a double-blind, two-period crossover design. Primary measures included five tests of Cogstate® computerized test battery assessed at 1 h predose and 40 min, 2, 4, and 6 h postdose. Secondary measures included the Mental Effort Scale, Karolinska Sleepiness Scale (KSS), and safety. RESULTS:Esketamine was associated with significant cognitive performance impairment at 40 min postdose for all five Cogstate® tests (Detection p?=?0.0011, Identification p?=?0.0006, One-Card Learning p?=?0.0040, One Back p?=?0.0017, and Groton Maze Learning Test p?

SUBMITTER: Morrison RL 

PROVIDER: S-EPMC5869899 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature

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Effect of intranasal esketamine on cognitive functioning in healthy participants: a randomized, double-blind, placebo-controlled study.

Morrison Randall L RL   Fedgchin Maggie M   Singh Jaskaran J   Van Gerven Joop J   Zuiker Rob R   Lim Kyoung Soo KS   van der Ark Peter P   Wajs Ewa E   Xi Liwen L   Zannikos Peter P   Drevets Wayne C WC  

Psychopharmacology 20180201 4


<h4>Background</h4>The effect of intranasal esketamine on cognitive functioning in healthy participants is assessed in this study.<h4>Methods</h4>Twenty-four participants (19-49 years) were randomized to one of two treatment sequences in which either esketamine 84 mg or placebo was intranasally administered in a double-blind, two-period crossover design. Primary measures included five tests of Cogstate<sup>®</sup> computerized test battery assessed at 1 h predose and 40 min, 2, 4, and 6 h postdo  ...[more]

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