Grabski, M;
Borissova, A;
Marsh, B;
Morgan, CJA;
Curran, HV;
(2020)
Ketamine as a mental health treatment: Are acute psychoactive effects associated with outcomes? A systematic review.
Behavioural Brain Research
, 392
, Article 112629. 10.1016/j.bbr.2020.112629.
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Abstract
Esketamine was recently licensed by the US Food and Drug Administration (FDA) and European Drug Agency (EDA) for use in treatment resistant depression (TRD), and promising research indicates ketamine as a possible treatment in other mental health conditions. While the underlying mechanisms remain unclear, it has been hypothesised that acute psychoactive effects during ketamine administration may be associated with psychiatric treatment efficacy. We systematically reviewed the evidence for this association. The databases Medline, Embase and PsychInfo were searched up to June 2019. Studies were included if they enrolled adults with a psychiatric diagnosis, assessed acute psychoactive effects using a quantitative measure, and reported on the relationship between acute effects and treatment outcome. We included 21 studies, involving 891 patients. Seventeen studies assessed patients with depression (TRD [k = 14]), three assessed substance use disorders, and one assessed social anxiety disorder. Overall, 41 associations were assessed, of which 26 % were significant. The studies reviewed displayed great variability in terms of methodology and quality of reporting. The most commonly assessed effect was dissociation, measured by the CADSS. Our results suggest that the CADSS total is not consistently associated with antidepressant outcomes. Apart from this, the current literature is too limited to draw definite conclusions on the presence of an association between acute psychoactive effects and mental health outcomes. The field would benefit from consistently employing a priori hypotheses, more transparent reporting and sufficiently powered statistical analyses. Furthermore, the use of a broader range of assessments tools of acute psychoactive effects during ketamine administration would be beneficial.
| Type: | Article |
|---|---|
| Title: | Ketamine as a mental health treatment: Are acute psychoactive effects associated with outcomes? A systematic review |
| Location: | Netherlands |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.bbr.2020.112629 |
| Publisher version: | http://dx.doi.org/10.1016/j.bbr.2020.112629 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Dissociative effects, Ketamine, Mental health, Mystical experience, Psychedelic effects, Psychotomimetic effects, Review |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Clinical, Edu and Hlth Psychology |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10101170 |
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