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The aim of the study is to evaluate the effectiveness of long-term and short-term app-based self-guided psychological interventions to reduce craving and lapse risk in users with substance use disorder or problematic substance use (alcohol and stimulants). Participants are randomly assigned to thirteen different groups to compare the effectiveness of particular long-term interventions. A questionnaire battery assessment is administered (1) at baseline in the first week following onboarding in; (2) after 5 weeks; (3) after six months. In addition, longitudinal data on several variables related to craving and lapse risk are collected daily using ecological momentary assessment.
The aim of the study is to evaluate the effectiveness of long-term and short-term app-based self-guided psychological interventions to reduce craving and lapse risk in users with substance use disorder or problematic substance use (alcohol and stimulants).
Two main self-guided intervention modules are available. Short-term self-guided intervention module include mainly audio-guided sessions on gratitude, thoughts management, auto-empathy, and relaxation. Moreover, there based on breath relaxation exercises, craving management, and motivation to change Long-term self-guided intervention module include CBT-based interventions, meditations, mindfulness, and journaling.
Participants are recruited via newsletters, local and nation-wide advertisements, as well as through social media. The study is conducted via a mobile application "Nałogometr", freely available to participants. We recruit people from the general population residing in Poland.
To compare the effectiveness of mobile app-based self-guided psychological interventions, participants are randomly assigned to thirteen different groups.
Experimental conditions are balanced based on multiple variables provided during onboarding: (1) main addiction type; (2) participation in addiction-related therapy; (3) gender; (4) age; (5) addiction severity; (6) abstinence duration.
In groups 1-10, participants have access to short-term interventions and one of the long-term interventions. Participants assigned to group 11 have access to short-term and all long-term interventions. Participants in group 12 have access only to short-term interventions. Finally, participants assigned to group 13 serve as the control group and only have access to the weekly ecological momentary assessment reports. However, the control group will be granted access to all intervention materials after five weeks following study enrollment. Participants in group 1-12 will be able to access the intervention materials 5 days after enrollment and will receive weekly ecological momentary assessment reports.
Questionnaire battery assessments will take place: (1) at baseline in the first week following onboarding in; (2) after 5 weeks; (3) after six months. In addition, longitudinal data on several variables related to craving and lapse risk will be collected daily using ecological momentary assessment.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| No Interventions | No Intervention | Given access to all interventions at the end of the 5 weeks of the trial. | |
| Short-term interventions | Experimental | Participants have access only to short-term interventions. Given access to all interventions at the end of the 5 weeks of the trial. |
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| Short-term and long-term interventions | Experimental | Short-term and long-term interventions Participants have access to short-term and all long-term interventions. |
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| Long-term intervention: Meditations | Experimental | Participants have access to short-term interventions. Participants have access to one long-term intervention: Meditations. Given access to all interventions at the end of the 5 weeks of the trial. |
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| Long-term intervention: Mindfulness | Experimental | Participants have access to short-term interventions. Participants have access to one long-term intervention: Mindfulness. Given access to all interventions at the end of the 5 weeks of the trial. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| mobile app | Other | mobile app self-guided psychological interventions |
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| Measure | Description | Time Frame |
|---|---|---|
| Lapses rate according to EMA self-report | collected daily via the participant's smartphone; an item asking whether or not the lapse occurred since the last survey (yes / no). The score will be tracked for changes over time. | 5 weeks |
| Craving level according to EMA self-report | collected daily via the participant's smartphone; an item asking how strong is one's urge to use [substance] at the moment on a scale of 0 to 6 (none - incalculable ). The score will be tracked for changes over time. | 5 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Score of Alcohol Use Disorders Identification Test (AUDIT) | Problematic alcohol use will be masured with an Alcohol Use Disorders Identification Test (AUDIT) (WHO, 2001), a 10-item one-dimensional tool. Participant's answer the questions in terms of standard drinks. AUDIT assesses the amount and frequency of alcohol intake (items 1-3), alcohol dependence (questions 4-6), and problems related to alcohol consumption (items 7-10). Questions 1 to 8 are scored on a 5-point scale ranging from 0 to 4, and questions 9 and 10 are scored as 0, 2, or 4. Total scores range from 0 to 40, and the cut-off point to identify hazardous alcohol intake is 8, a score between 16 and 19 indicates harmful alcohol use, and scores above 20 points indicate possible alcohol use disorder. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Alicja Binkowska, PhD | Contact | alicja.binkowska@predictwatch.com | ||
| Maciej Skorko | Contact | 048792230523 | maciek.skorko@predictwatch.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| PredictWatch | Recruiting | Bialystok | 15-668 | Poland |
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| Label | URL |
|---|---|
| Related Info | View source |
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| ID | Term |
|---|---|
| D016739 | Behavior, Addictive |
| D000437 | Alcoholism |
| D019966 | Substance-Related Disorders |
| ID | Term |
|---|---|
| D003192 | Compulsive Behavior |
| D007175 | Impulsive Behavior |
| D001519 | Behavior |
| D019973 | Alcohol-Related Disorders |
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| Long-term intervention: My beliefs | Experimental | Participants have access to short-term interventions. Participants have access to one long-term intervention: My beliefs. Given access to all interventions at the end of the 5 weeks of the trial. |
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| Long-term intervention: Success Diary | Experimental | Participants have access to short-term interventions. Participants have access to one long-term intervention: Success Diary. Given access to all interventions at the end of the 5 weeks of the trial. |
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| Long-term intervention: Gratitude Journal | Experimental | Participants have access to short-term interventions. Participants have access to one long-term intervention: Gratitude Journal. Given access to all interventions at the end of the 5 weeks of the trial. |
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| Long-term intervention: Planner | Experimental | Participants have access to short-term interventions. Participants have access to one long-term intervention: Planner. Given access to all interventions at the end of the 5 weeks of the trial. |
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| Long-term intervention: Journey to Sobriety | Experimental | Participants have access to short-term interventions. Participants have access to one long-term intervention: Journey to Sobriety. Given access to all interventions at the end of the 5 weeks of the trial. |
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| Long-term intervention: Mood Journal | Experimental | Participants have access to short-term interventions. Participants have access to one long-term intervention: Mood Journal. Given access to all interventions at the end of the 5 weeks of the trial. |
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| Long-term intervention: Dream Diary | Experimental | Participants have access to short-term interventions. Participants have access to one long-term intervention: Dream Diary. Given access to all interventions at the end of the 5 weeks of the trial. |
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| Long-term intervention: Thinking traps | Experimental | Participants have access to short-term interventions. Participants have access to one long-term intervention: Thinking traps. Given access to all interventions at the end of the 5 weeks of the trial. |
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| 1 week, 5 weeks, 6 months |
| Score of Severity of Dependence Scale (SDS) | The Severity of Dependence Scale (SDS) (Gossop, et al., 1995) will be used to provide a self-reported measure of psychological aspects of stimulants and alcohol dependence. A five-items, one-dimensional tool has uniform scale for questions 1 - 4 from 0 ('never or almost never') to 3 ('always'). Question 5 has the same scale with different signature where 0 means 'not difficult at all' and 3 means 'impossible'. Score ranging from 0 to 15, where cut-off score depends on user's drug type - a cut-off of =< 3 has been used for indexing alcohol dependence (Lawrinson et al., 2007) and =< 5 for indexing amphetamine dependence (Topp & Mattick, 1997). | 1 week, 5 weeks, 6 months |
| Score of Satisfaction With Life Scale (SWLS) | Participants' satisfaction with their life will be assessed with The Satisfaction With Life Scale (SWLS) (Diener et al., 1985), Polish version from Jankowski (2015). SWLS is a short self-report instrument on which participants indicate their agreement to five statements about life satisfaction on a seven-point Likert scale. A maximum score of 35 can be reached, indicating a high level of life satisfaction. | 1 week, 5 weeks, 6 months |
| D064419 |
| Chemically-Induced Disorders |
| D001523 | Mental Disorders |