Effectiveness of attentional bias modification training as add-on to regular treatment in alcohol and cannabis use disorder: A multicenter randomized control trial.

<h4>Background</h4>Attentional bias for substance-relevant cues has been found to contribute to the persistence of addiction. Attentional bias modification (ABM) interventions might, therefore, increase positive treatment outcome and reduce relapse rates. The current study investigated t...

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Autores principales: Janika Heitmann, Madelon E van Hemel-Ruiter, Mark Huisman, Brian D Ostafin, Reinout W Wiers, Colin MacLeod, Laura DeFuentes-Merillas, Martine Fledderus, Wiebren Markus, Peter J de Jong
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Publicado: Public Library of Science (PLoS) 2021
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Acceso en línea:https://doaj.org/article/ea5674b5ccc644c5a7d8c7437f34f378
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spelling oai:doaj.org-article:ea5674b5ccc644c5a7d8c7437f34f3782021-12-02T20:07:19ZEffectiveness of attentional bias modification training as add-on to regular treatment in alcohol and cannabis use disorder: A multicenter randomized control trial.1932-620310.1371/journal.pone.0252494https://doaj.org/article/ea5674b5ccc644c5a7d8c7437f34f3782021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0252494https://doaj.org/toc/1932-6203<h4>Background</h4>Attentional bias for substance-relevant cues has been found to contribute to the persistence of addiction. Attentional bias modification (ABM) interventions might, therefore, increase positive treatment outcome and reduce relapse rates. The current study investigated the effectiveness of a newly developed home-delivered, multi-session, internet-based ABM intervention, the Bouncing Image Training Task (BITT), as an add-on to treatment as usual (TAU).<h4>Methods</h4>Participants (N = 169), diagnosed with alcohol or cannabis use disorder, were randomly assigned to one of two conditions: the experimental ABM group (50%; TAU+ABM); or the control group (50%; split in two subgroups the TAU+placebo group and TAU-only group, 25% each). Participants completed baseline, post-test, and 6 and 12 months follow-up measures of substance use and craving allowing to assess long-term treatment success and relapse rates. In addition, attentional bias (both engagement and disengagement), as well as secondary physical and psychological complaints (depression, anxiety, and stress) were assessed.<h4>Results</h4>No significant differences were found between conditions with regard to substance use, craving, relapse rates, attentional bias, or physical and psychological complaints.<h4>Conclusions</h4>The findings may reflect unsuccessful modification of attentional bias, the BITT not targeting the relevant process (engagement vs. disengagement bias), or may relate to the diverse treatment goals of the current sample (i.e., moderation or abstinence). The current findings provide no support for the efficacy of this ABM approach as an add-on to TAU in alcohol or cannabis use disorder. Future studies need to delineate the role of engagement and disengagement bias in the persistence of addiction, and the role of treatment goal in the effectiveness of ABM interventions.Janika HeitmannMadelon E van Hemel-RuiterMark HuismanBrian D OstafinReinout W WiersColin MacLeodLaura DeFuentes-MerillasMartine FledderusWiebren MarkusPeter J de JongPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 6, p e0252494 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Janika Heitmann
Madelon E van Hemel-Ruiter
Mark Huisman
Brian D Ostafin
Reinout W Wiers
Colin MacLeod
Laura DeFuentes-Merillas
Martine Fledderus
Wiebren Markus
Peter J de Jong
Effectiveness of attentional bias modification training as add-on to regular treatment in alcohol and cannabis use disorder: A multicenter randomized control trial.
description <h4>Background</h4>Attentional bias for substance-relevant cues has been found to contribute to the persistence of addiction. Attentional bias modification (ABM) interventions might, therefore, increase positive treatment outcome and reduce relapse rates. The current study investigated the effectiveness of a newly developed home-delivered, multi-session, internet-based ABM intervention, the Bouncing Image Training Task (BITT), as an add-on to treatment as usual (TAU).<h4>Methods</h4>Participants (N = 169), diagnosed with alcohol or cannabis use disorder, were randomly assigned to one of two conditions: the experimental ABM group (50%; TAU+ABM); or the control group (50%; split in two subgroups the TAU+placebo group and TAU-only group, 25% each). Participants completed baseline, post-test, and 6 and 12 months follow-up measures of substance use and craving allowing to assess long-term treatment success and relapse rates. In addition, attentional bias (both engagement and disengagement), as well as secondary physical and psychological complaints (depression, anxiety, and stress) were assessed.<h4>Results</h4>No significant differences were found between conditions with regard to substance use, craving, relapse rates, attentional bias, or physical and psychological complaints.<h4>Conclusions</h4>The findings may reflect unsuccessful modification of attentional bias, the BITT not targeting the relevant process (engagement vs. disengagement bias), or may relate to the diverse treatment goals of the current sample (i.e., moderation or abstinence). The current findings provide no support for the efficacy of this ABM approach as an add-on to TAU in alcohol or cannabis use disorder. Future studies need to delineate the role of engagement and disengagement bias in the persistence of addiction, and the role of treatment goal in the effectiveness of ABM interventions.
format article
author Janika Heitmann
Madelon E van Hemel-Ruiter
Mark Huisman
Brian D Ostafin
Reinout W Wiers
Colin MacLeod
Laura DeFuentes-Merillas
Martine Fledderus
Wiebren Markus
Peter J de Jong
author_facet Janika Heitmann
Madelon E van Hemel-Ruiter
Mark Huisman
Brian D Ostafin
Reinout W Wiers
Colin MacLeod
Laura DeFuentes-Merillas
Martine Fledderus
Wiebren Markus
Peter J de Jong
author_sort Janika Heitmann
title Effectiveness of attentional bias modification training as add-on to regular treatment in alcohol and cannabis use disorder: A multicenter randomized control trial.
title_short Effectiveness of attentional bias modification training as add-on to regular treatment in alcohol and cannabis use disorder: A multicenter randomized control trial.
title_full Effectiveness of attentional bias modification training as add-on to regular treatment in alcohol and cannabis use disorder: A multicenter randomized control trial.
title_fullStr Effectiveness of attentional bias modification training as add-on to regular treatment in alcohol and cannabis use disorder: A multicenter randomized control trial.
title_full_unstemmed Effectiveness of attentional bias modification training as add-on to regular treatment in alcohol and cannabis use disorder: A multicenter randomized control trial.
title_sort effectiveness of attentional bias modification training as add-on to regular treatment in alcohol and cannabis use disorder: a multicenter randomized control trial.
publisher Public Library of Science (PLoS)
publishDate 2021
url https://doaj.org/article/ea5674b5ccc644c5a7d8c7437f34f378
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