NCT02968537

Brief Summary

The study aims to investigate the effects of a short computerized training as a therapeutic add-on to standard therapy in patients with alcohol-use disorder.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
242

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Dec 2016

Longer than P75 for not_applicable

Geographic Reach
1 country

3 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

November 10, 2016

Completed
8 days until next milestone

First Posted

Study publicly available on registry

November 18, 2016

Completed
13 days until next milestone

Study Start

First participant enrolled

December 1, 2016

Completed
2.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2019

Completed
10 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2020

Completed
Last Updated

May 4, 2022

Status Verified

May 1, 2022

Enrollment Period

2.8 years

First QC Date

November 10, 2016

Last Update Submit

May 3, 2022

Conditions

Keywords

Alcohol use disordersinhibitionEEGcortisolTrainingclinical outcome measures

Outcome Measures

Primary Outcomes (5)

  • Percent days of abstinence 3-months follow-up.

    Percentage of abstinent days in 3-months follow-up. This will be measured with the timeline follow back (TFB), which is a validated procedure to aid recall of past drinking and evaluates information about drinking behavior.

    3-months follow-up

  • Inhibition Go/NoGo

    Inhibitory control as assessed with a Go/NoGo task.

    Post training, i.e. between 1 and 7 days after completion of the last (i.e. the 6th) training session

  • Neurophysiology of inhibitory Control (Go/NoGo)

    Neurophysiological correlates of inhibitory control as assessed with EEG-measurement during the Go-NOGo-task. ERPs in response to NoGo-Stimuli will be calculated and the N2/p3-complex will be analyzed

    Post training, i.e. between 1 and 7 days after completion of the last (i.e. the 6th) training session

  • Implicit associations (IAT)

    Implicit associations as assessed with an alcohol-related implicit association task (IAT)

    Post training, i.e. between 1 and 7 days after completion of the last (i.e. the 6th) training session

  • Heavy drinking days in 3 months follow-up

    in 3-months follow-up. This will be measured Heavy drinking days in 3 months follow-up, measured with the timeline follow back (TFB), which is a validated procedure to aid recall of past drinking and evaluates information about drinking behavior.

    3 months follow-up

Secondary Outcomes (5)

  • Abstinence related self-efficacy

    Post-training (i.e. between 1 and 7 days after completion of the training session); discharge, 3-, 6- and 12-months follow-up

  • Craving

    Post-training (i.e. between 1 and 7 days after completion of the last training session); discharge, 3-, 6- and 12-months follow-up

  • Time to first drink

    3-, 6- and 12-months follow-up

  • Percent heavy drinking days

    3-, 6- and 12-months follow-up

  • Inhibition (SST)

    Post-training; i.e. between 1 and 7 days after completion of the last (i.e. the 6th) training session

Study Arms (6)

Alc-IT (50/50) (morning)

EXPERIMENTAL

Alc-IT (50/50) (morning): This alcohol-specific inhibition-training (Alc-IT) training group will operate with a Go/NoGo ratio of 50/50 (Houben et al. 2011; 2012): This original version of the Alc-inhibition-training will include 80 alcoholic NoGo trials as well as 80 non-alcoholic Go trials. In order to arrive at the same training length while keeping the number of Alc-NoGo-pairings constant and the Go/NoGo-ratio at 50/50, it will additionally include 80 neutral Go-trials as well as 80 neutral NoGo-trials. It will thus consist of 320 trials and take about 10.5 minutes to be completed. In the morning group, this training will be administered within the first 2 hours after awakening.

Behavioral: Alc-IT (50/50) (morning)

Alc-IT (75/25) (morning)

EXPERIMENTAL

This version of the alcohol-specific inhibition-training (Alc-IT) will operate with a Go/NoGo-ratio of 75/25. It will equally include 80 Alcoholic NoGo-trials and 80 non-alcoholic Go-trials, but now 160 neutral Go-trials will complete the set. This training will also consist of 320 trials and take about 10.5 minutes. In the morning group, this training will be administered within the first 2 hours after awakening.

Behavioral: Alc-IT (75/25) (morning)

Control-training (morning)

PLACEBO COMPARATOR

This group will receive an unspecific inhibition training. this training is of the same length and difficulty as the two Alc-inhibition-trainings. In the morning group, this training will be administered within the first 2 hours after awakening.

Behavioral: Control-training (morning)

Alc-IT (50/50) (afternoon)

EXPERIMENTAL

Alc-IT (50/50) (afternoon): As in the arm "Alc-IT (50/50) (morning)", this alcohol-specific inhibition-training (Alc-IT) group will operate with a Go/NoGo ratio of 50/50 (Houben et al. 2011; 2012): This original version of the Alc-inhibition-training will include 80 alcoholic NoGo trials as well as 80 non-alcoholic Go trials. In order to arrive at the same training length while keeping the number of Alc-NoGo-pairings constant and the Go/NoGo-ratio at 50/50, it will additionally include 80 neutral Go-trials as well as 80 neutral NoGo-trials. It will thus consist of 320 trials and take about 10.5 minutes to be completed. In contrast to the In the morning group, this afternoon group will receive the training in the afternoon.

Behavioral: Alc-IT (50/50) (afternoon)

Alc-IT (75/25) (afternoon)

EXPERIMENTAL

As in the arm "Alc-IT (75/25) (morning)", this version of the alcohol-specific inhibition-training (Alc-IT) will operate with a Go/NoGo-ratio of 75/25. It will equally include 80 Alcoholic NoGo-trials and 80 non-alcoholic Go-trials, but now 160 neutral Go-trials will complete the set. This training will also consist of 320 trials and take about 10.5 minutes. In contrast to the In the morning group, this afternoon group will receive the training in the afternoon.

Behavioral: Alc-IT (75/25) (afternoon)

Control-training (afternoon)

PLACEBO COMPARATOR

As in the arm "Control-training (morning), this group will receive an unspecific inhibition training. This training is of the same length and difficulty as the two Alc-inhibition-trainings. In contrast to the In the morning group, this afternoon group will receive the training in the afternoon.

Behavioral: Control-training (afternoon)

Interventions

This alcohol-specific inhibition-training (Alc-IT) training group will operate with a Go/NoGo ratio of 50/50 (Houben et al. 2011; 2012): This original version of the Alc-inhibition-training will include 80 alcoholic NoGo trials as well as 80 non-alcoholic Go trials. In order to arrive at the same training length while keeping the number of Alc-NoGo-pairings constant and the Go/NoGo-ratio at 50/50, it will additionally include 80 neutral Go-trials as well as 80 neutral NoGo-trials. It will thus consist of 320 trials and take about 10.5 minutes to be completed. In the morning group, this training will be administered within the first 2 hours after awakening.

Alc-IT (50/50) (morning)

This version of the alcohol-specific inhibition-training (Alc-IT) will operate with a Go/NoGo-ratio of 75/25. It will equally include 80 Alcoholic NoGo-trials and 80 non-alcoholic Go-trials, but now 160 neutral Go-trials will complete the set. This training will also consist of 320 trials and take about 10.5 minutes. In the morning group, this training will be administered within the first 2 hours after awakening.

Alc-IT (75/25) (morning)

This group will receive an unspecific inhibition training. this training is of the same length and difficulty as the two Alc-inhibition-trainings. In the morning group, this training will be administered within the first 2 hours after awakening.

Control-training (morning)

As in the arm "Alc-IT (50/50) (morning)", this alcohol-specific inhibition-training (Alc-IT) group will operate with a Go/NoGo ratio of 50/50 (Houben et al. 2011; 2012): This original version of the Alc-inhibition-training will include 80 alcoholic NoGo trials as well as 80 non-alcoholic Go trials. In order to arrive at the same training length while keeping the number of Alc-NoGo-pairings constant and the Go/NoGo-ratio at 50/50, it will additionally include 80 neutral Go-trials as well as 80 neutral NoGo-trials. It will thus consist of 320 trials and take about 10.5 minutes to be completed. In contrast to the In the morning group, this afternoon group will receive the training in the afternoon.

Alc-IT (50/50) (afternoon)

As in the arm "Alc-IT (75/25) (morning)", this version of the alcohol-specific inhibition-training (Alc-IT) will operate with a Go/NoGo-ratio of 75/25. It will equally include 80 Alcoholic NoGo-trials and 80 non-alcoholic Go-trials, but now 160 neutral Go-trials will complete the set. This training will also consist of 320 trials and take about 10.5 minutes. In contrast to the In the morning group, this afternoon group will receive the training in the afternoon.

Alc-IT (75/25) (afternoon)

As in the arm "Control-training (morning), this group will receive an unspecific inhibition training. This training is of the same length and difficulty as the two Alc-inhibition-trainings. In contrast to the In the morning group, this afternoon group will receive the training in the afternoon.

Control-training (afternoon)

Eligibility Criteria

Age18 Years - 18 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Abstinent patients with an alcohol use disorder in the 12-week inpatient program of the Clinic Südhang or the Forel Clinic,
  • Abstained from alcohol for at least 4 weeks (in relation to timepoint when training will start),
  • Informed Consent as documented by signature.

You may not qualify if:

  • Other main psychiatric diagnosis than alcohol use disorder (comorbidity is allowed if the alcohol use disorder is to be considered the main diagnosis),
  • other severe substance use disorder (except nicotine), even as secondary diagnosis
  • Neurocognitive problems (e.g. Korsakoff syndrome),
  • Current medical conditions excluding participation (e.g. acute infectious disease),
  • Inability to read and understand the participant's information,
  • Enrolment of the investigator, his/her family members, employees and other dependent persons.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Forel Klinik

Ellikon, Switzerland

Location

Klinik Südhang

Kirchlindach, Switzerland

Location

Psychiatric Center Muensingen

Münsingen, Switzerland

Location

Related Publications (1)

  • Tschuemperlin RM, Stein M, Batschelet HM, Moggi F, Soravia LM. Learning to resist the urge: a double-blind, randomized controlled trial investigating alcohol-specific inhibition training in abstinent patients with alcohol use disorder. Trials. 2019 Jul 5;20(1):402. doi: 10.1186/s13063-019-3505-2.

MeSH Terms

Conditions

AlcoholismInhibition, Psychological

Condition Hierarchy (Ancestors)

Alcohol-Related DisordersSubstance-Related DisordersChemically-Induced DisordersMental DisordersBehavior

Study Officials

  • Maria Stein, PhD

    University of Bern, University Hospital for Psychiatry

    PRINCIPAL INVESTIGATOR
  • Leila Soravia, PhD

    University of Bern, University Hospital for Psychiatry

    PRINCIPAL INVESTIGATOR
  • Franz Moggi, PD

    University of Bern, University Hospital for Psychiatry

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 10, 2016

First Posted

November 18, 2016

Study Start

December 1, 2016

Primary Completion

September 1, 2019

Study Completion

July 1, 2020

Last Updated

May 4, 2022

Record last verified: 2022-05

Data Sharing

IPD Sharing
Will not share

Locations