A pilot randomized controlled trial of dialectical behavior therapy (DBT) for reducing craving and achieving cessation in patients with marijuana use disorder: feasibility, acceptability, and appropriateness.
Dialectical behavior therapy
craving
feasibility studies
lapse
marijuana use
Journal
Trends in psychiatry and psychotherapy
ISSN: 2238-0019
Titre abrégé: Trends Psychiatry Psychother
Pays: Brazil
ID NLM: 101610695
Informations de publication
Date de publication:
Historique:
received:
02
09
2020
accepted:
06
01
2021
pubmed:
13
4
2021
medline:
8
1
2022
entrez:
12
4
2021
Statut:
ppublish
Résumé
To conduct a pilot RCT investigating the feasibility, acceptability, and preliminary efficacy of dialectical behavioral therapy (DBT) for marijuana cessation and craving reduction. Sixty-one patients with marijuana use disorder diagnoses were randomly assigned to a DBT group or a control group (psycho-education). Patients completed measures at pre-intervention, post-intervention, and at two-month follow-up. The Marijuana Craving Questionnaire (MCQ) and marijuana urine test kits were used to assess craving and abstinence respectively. The feasibility of DBT was significantly higher than control group feasibility. In the DBT 29/30 participants completed all sessions (96% retention) and 24/31 control group participants completed all sessions (77% retention) (χ2 = 4.95, p = 0.02). Moreover, 29/30 (96%) participants in the DBT group completed the two-month follow-up and 20/31 (64.5%) control group members completed the two-month follow-up (χ2 = 9.97, p = 0.002). The results showed that patients in the DBT group had significantly higher intervention acceptability rates (16.57 vs. 9.6) than those in the control group. This pattern was repeated for appropriateness rates (p < 0.05). The overall results for craving showed that there was no significant difference between the groups (F = 3.52, p > 0.05), although DBT showed a significant reduction in the "emotionality" subscale compared to the control group (F = 19.94, p < 0.05). To analyze cessation rates, DBT was compared to the control group at the posttest (46% vs. 16%) and follow-up (40% vs. 9.5%) and the results confirmed higher effectiveness in the DBT group for cessation (p < 0.05). Furthermore, among those who had lapsed, participants in the DBT group had fewer consumption days than those in the control group (p < 0.05). DBT showed feasibility, acceptability, and promising efficacy in terms of the marijuana cessation rate. Thailand Registry of Clinical Trials, TCTR20200319007.
Identifiants
pubmed: 33844901
doi: 10.47626/2237-6089-2020-0123
pmc: PMC8835386
doi:
Types de publication
Journal Article
Randomized Controlled Trial
Langues
eng
Sous-ensembles de citation
IM
Pagination
302-310Subventions
Organisme : Kermanshah University of Medical Sciences
ID : IR.KUMS.REC.1398.1203
Pays : Iran
Déclaration de conflit d'intérêts
No conflicts of interest declared concerning the publication of this article.
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