Collective Motivational Interviewing for adolescents with internet gaming disorder
Official title: A Randomized Controlled Study of Collective Motivational Interviewing (CMI) for Adolescents With Internet Gaming Disorder
Run by Hong Kong College of Technology · NCT05917977 · Data updated 2026-11-12
This study tests whether collective motivational interviewing plus education materials helps teens with probable IGD reduce gaming symptoms and gain more support from a chosen caregiver or family member.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 10 Years to 16 Years |
| Sex | All |
| Enrollment | 172 (estimated) |
| Sponsor | Hong Kong College of Technology Academic / other |
| Locations | 1 site (Shatin) |
| Status | Recruiting |
| Started | June 1, 2023 |
| Main results expected | December 31, 2026 |
| Study ends | December 31, 2027 |
| Registry record updated | September 29, 2026 |
| Trial ID | NCT05917977 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adolescents aged 10-16 in Hong Kong with probable IGD (IGDS9-SF score above the cutoff), who can nominate a close CSO and have consent to participate.
✕Probably not a fit
Patients without a willing CSO or those not meeting the high-risk IGD criteria may not experience substantial benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
Researchers will randomly assign adolescents in Hong Kong who show high risk for IGD to receive collective motivational interviewing plus IGD education materials for both the teen and their caregiver, or education materials alone. The approach combines motivational interviewing delivered to the adolescent with coordinated materials for the CSO to support behavior change. Outcomes are measured at baseline, after the intervention, and at 3- and 6-month follow-ups to see changes in IGD severity, motivation to change, cravings, and social support. The trial aims to determine if adding the CMI modality improves results beyond education materials alone.
Why it matters
Potential benefit: If successful, teens may experience reduced IGD symptoms and stronger social support from caregivers, potentially improving functioning and well-being.
How similar studies have gone: Previous research suggests motivational interviewing approaches can support behavior change, but effects in a collective, adolescent-family context are less well established and require confirmation.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria for Adolescents: * Aged between 10-16 * Probable IGD condition screened by the Internet Gaming Disorder Scale-Short-Form (IGDS9-SF) reaching the cut-off value at 21, those at high risk of having IGD but no IGD cases with clinical diagnosis, although the symptoms measured by IGDS9-SF are equivalent to DSM-5 IGD criteria) * Hong Kong ID card holder * Chinese speaking * Student identity * Possessing an electronic mobile device or computer * Willingness to participate in the intervention/control group and complete four surveys (baseline, post-intervention, 3-month follow-up, and 6-month follow-up) * Can nominate a CSO (e.g., parents) \[client's autonomy is a critical factor to facilitate motivation posited by the self-determination theory (Ryan \& Deci, 2020) (9) to obtain informed consent and parental consent Inclusion Criteria for CSO: * Aged greater than 18 years * Having a close relationship with the adolescent with probable IGD (as rated by participants being generally supportive of the participants) * Being willing to participate in the present study and provide informed consent Exclusion Criteria for Adolescents: * Participants who have psychiatric problems such as psychosis, significant cognitive impairment and/or receiving active and structured psychotherapy about IGD elsewhere will be excluded (Nielsen et al., 2021). Exclusion Criteria for CSO: * Participants who have psychosis, aggressive or suicidal behavior * Having life-threatening medical conditions
Where it's running
-
Hong Kong College of Technology
Shatin, Hong Kong Recruiting
Study contacts
- Study coordinator: Ka Wo Tse, Doctorate
- Email: nicktse@ctihe.edu.hk
- Phone: +852 5720 9881
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.