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- Ensaio Clínico NCT02298751
Exposure Therapy as Aftercare for Alcohol Use Disorder
Alcohol Cue Exposure: An Investigator-blinded, Randomized, Controlled Study of Exposure-based Aftercare in Alcohol Use Disorder Individuals
Background: It is well documented that individuals with Alcohol Use Disorder (AUD) respond well during evidence-based psychological treatment, but also that a large proportion relapse when discharged from treatment and confronted with alcohol in real life. Cue Exposure Therapy (CET) focuses on confronting alcohol cues in order to reduce cravings as well as the likelihood of relapse. The aim of this study is to investigate whether CET as aftercare increases the efficiency of Cognitive Behavioural Therapy (CBT) among AUD individuals.
Design and methods: The study is implemented as an investigator-blinded randomized controlled trial. A total of 300 consecutively enrolled AUD patients, recruited from an alcohol outpatient clinic will be randomized to one of the three following aftercare treatment groups: (A) CET as a smartphone application (n = 100); (B) CET as group therapy (n = 100), and (C) Aftercare as Usual (n = 100). It is hypothesized that the two experimental groups ((A) and (B)) will achieve better treatment outcomes as compared to the control group ((C)), and It will be explored whether CET as smartphone application is as effective as CET as group therapy. The groups will be compared in a number of parameters including alcohol intake, cravings and copings-strategies.
Discussion: If the hypothesis, that CET increases the efficiency of CBT is verified, it will make sense to supplement CBT with CET as aftercare, hence, reintegrating CET within a CBT approach. Although, CET is most often regarded as one of the behavioral methods in CBT, there appears to be segregation in the empirical literature when it comes to treatment of addictive disorders. However, CET may allow the patient to practice and gain control over alcohol cue reactivity and associated high-risk situations in an inter-mediating therapeutic context before the patients inevitably are confronted by them. In this way, one might expect the transition from treatment to daily life less overwhelming and CET may help prevent relapse in the long term. Thus, CET may be particularly suitable as aftercare.
Visão geral do estudo
Status
Condições
Intervenção / Tratamento
Descrição detalhada
BACKGROUND It is well documented that individuals with Alcohol Use Disorders (AUD) respond well during Cognitive Behavioural Therapy, but that a large proportion of individuals relapse after treatment when confronted with alcohol in real life. Therefore, future treatment interventions for long-term prevention of relapse should aim to teach how to apply coping strategies and regain control over their alcohol cravings in their daily confrontations with alcohol and associated stimuli.
Cue Exposure Treatment (CET) is a behavioural psychological approach that focuses on confronting alcohol cues in order to reduce cravings as well as the likelihood of relapse. During CET individuals are exposed to alcohol related stimuli whilst their usual drink responses are hindered. Thus, they are given the opportunity to practice coping strategies during exposure to alcohol. In this way, it is predicted that individual's learned automatic responses will extinguish over time and that their cognitive control over cue reactivity strengthens.
Mental health care applications, has the potential to improve alcohol treatment and continuing care by offering psychological treatment anywhere and when the patient find it convenient. Because, psychological treatment is a substantial socio-economic burden when delivered in individual sessions, there has been a tendency to deliver the relevant treatment through group sessions. However, mental healthcare applications, have even more potential in order to reduce the burden on the health care system, in addition to increasing the availability of evidence-based treatment. Whilst group sessions are documented effective, behavioural healthcare applications targeting AUD needs further exploration.
OBJECTIVES
The objective of the study is three-fold:
- To investigate whether manual-based CET delivered via a smartphone or in group sessions increases the efficiency of CBT outpatient treatment in groups of AUD individuals.
- To investigate whether CET as a smartphone application is as or more effective than CET group therapy.
- To investigate whether CET as smartphone intervention will show to be more cost-effective than CET delivered in group sessions.
DESIGN AND METHODS The study is implemented as an investigator-blinded, randomized controlled trial. A total of 300 consecutively enrolled AUD individuals, recruited from an alcohol outpatient clinic will be randomized to one of the three following aftercare treatment groups: (1) CET as a smartphone application; (2) CET as group therapy, and (3) Standard aftercare treatment. Individuals in group 1 are required to use the smartphone application five times a week for eight weeks. Individuals in group 2 are required to have CET group therapy every other week for eight weeks. Individuals in group 3 will receive one individual follow-up session eight weeks after the primary treatment has ended.
It is hypothesized a priori that the two experimental groups will achieve better treatment outcomes as compared to the control group (3). No a priori hypotheses guides comparisons of the effect of CET delivered via group sessions and smartphone application. Two-sided analyses are conducted here, because there is no empirical literature in this specific area to generate a priori hypotheses.
The groups will be compared pre- and post-aftercare treatment, according to the following parameters:
- Relapse and alcohol intake, as measured with the Time-Line-Follow-Back (TLFB) method;
- Cravings, measured with Desires for Alcohol Questionnaire (DAQ), Obsessive-Compulsive Drinking Scale (OCDS), and Visual Analogue Scale for Craving (VAS);
Coping skills, operationalized with Urge-Specific Strategies Questionnaire (USS)
Data will be collected at three different time-points: before entering aftercare treatment (baseline), after eight weeks (follow-up), and again after six month (follow-up). In addition, we will follow the patients through medical registers for one year in order to measure relapse in the longer term, without the challenges associated with getting contact one year after ended treatment.
- Data from registers: The National Patient Register, The National Health Service Register, The National Prescription Registry and The Psychiatric Central Research Register.
Intention-to-treat analyses (ITT) will be carried out for all outpatients. With regard to incomplete data, "last observation carried forward" (LOCF) and multiple imputations will be used. Completer (on-treatment) analyses will be carried out for patients who have completed the respective interventions.
Odense Patient data Explorative Network (OPEN) data manager develops electronic schemes for data entry. Data will be imported and stored in OPEN Projects.
Tipo de estudo
Inscrição (Real)
Estágio
- Não aplicável
Contactos e Locais
Locais de estudo
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Odense, Dinamarca, 5000
- Unit if Clinical Alcohol Research
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Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
Inclusion Criteria:
- Completed primary treatment with CBT
- Accept participating in the study
Exclusion Criteria:
- Not Danish speaking
- Psychotic disorders
- Severe cognitive impairment
- Terminal somatic illness
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Tratamento
- Alocação: Randomizado
- Modelo Intervencional: Atribuição Paralela
- Mascaramento: Solteiro
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
---|---|
Experimental: CET via smartphone
Cue Exposure Treatment
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Experimental: CET via group sessions
Cue Exposure Treatment
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Sem intervenção: Aftercare as usual
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O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
---|---|---|
Alcohol consumption
Prazo: 26 weeks after baseline
|
Abstinence or controlled use of alcohol in the last 30 days 26 weeks after treatment start as measured with the timeline follow-back method
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26 weeks after baseline
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
---|---|---|
Alcohol consumption
Prazo: 8 weeks after baseline
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Abstinence or controlled use of alcohol in the last 30 days 8 weeks after treatment start as measured with the timeline follow-back method
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8 weeks after baseline
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Alcohol related contact with the Health Care system
Prazo: One year after baseline
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Contact with the Health Care system one year after treatment start as measured by Danish registers
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One year after baseline
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Outras medidas de resultado
Medida de resultado |
Descrição da medida |
Prazo |
---|---|---|
Cravings as measured by the Visual Analogue Craving Scale, Obsessive-Compulsive Drinking Scale and Desires for Alcohol Questionnaire
Prazo: 26 weeks after baseline
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Cravings are measured by the Visual Analogue Craving Scale, Obsessive-Compulsive Drinking Scale and Desires for Alcohol Questionnaire
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26 weeks after baseline
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Cravings as measured by the Visual Analogue Craving Scale, Obsessive-Compulsive Drinking Scale and Desires for Alcohol Questionnaire
Prazo: 8 weeks after baseline
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Cravings are measured by the Visual Analogue Craving Scale, Obsessive-Compulsive Drinking Scale and Desires for Alcohol Questionnaire
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8 weeks after baseline
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Coping skills as measured by The Urge-Specific Strategies Questionnaire
Prazo: 26 weeks after baseline
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The Urge-Specific Strategies Questionnaire
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26 weeks after baseline
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Coping skills as measured by The Urge-Specific Strategies Questionnaire
Prazo: 8 weeks after baseline
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The Urge-Specific Strategies Questionnaire
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8 weeks after baseline
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Colaboradores e Investigadores
Patrocinador
Publicações e links úteis
Publicações Gerais
- Stryhn L, Larsen MB, Mejldal A, Sibbersen C, Nielsen DG, Nielsen B, Nielsen AS, Stenager E, Mellentin AI. Relapse prevention for alcohol use disorders: combined acamprosate and cue exposure therapy as aftercare. Nord J Psychiatry. 2022 Jul;76(5):394-402. doi: 10.1080/08039488.2021.1985169. Epub 2021 Oct 8.
- Mellentin AI, Nielsen B, Nielsen AS, Yu F, Mejldal A, Nielsen DG, Stenager E. A Mobile Phone App Featuring Cue Exposure Therapy As Aftercare for Alcohol Use Disorders: An Investigator-Blinded Randomized Controlled Trial. JMIR Mhealth Uhealth. 2019 Aug 16;7(8):e13793. doi: 10.2196/13793.
- Mellentin AI, Nielsen B, Nielsen AS, Yu F, Stenager E. A randomized controlled study of exposure therapy as aftercare for alcohol use disorder: study protocol. BMC Psychiatry. 2016 Apr 21;16:112. doi: 10.1186/s12888-016-0795-8.
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo
Conclusão Primária (Real)
Conclusão do estudo (Real)
Datas de inscrição no estudo
Enviado pela primeira vez
Enviado pela primeira vez que atendeu aos critérios de CQ
Primeira postagem (Estimativa)
Atualizações de registro de estudo
Última Atualização Postada (Real)
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última verificação
Mais Informações
Termos relacionados a este estudo
Termos MeSH relevantes adicionais
Outros números de identificação do estudo
- Cue Exposure Study, RESCueH
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