NCT04672746

Brief Summary

This is a two-arm, parallel-group, randomized controlled trial with an allocation ratio 1:1, by comparing the 12-month drug abuse reduction between the youth drug abusers who are individually randomized to participate in the intervention group receiving medical peer-delivered intervention of interactive brief motivational interviewing via instant messaging communication and those in the control group receiving general health information.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
134

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Mar 2021

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

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

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 11, 2020

Completed
6 days until next milestone

First Posted

Study publicly available on registry

December 17, 2020

Completed
2 months until next milestone

Study Start

First participant enrolled

March 1, 2021

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2022

Completed
1.3 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2023

Completed
Last Updated

May 4, 2022

Status Verified

April 1, 2022

Enrollment Period

1.4 years

First QC Date

December 11, 2020

Last Update Submit

May 3, 2022

Conditions

Keywords

drug abusebrief motivational interviewpeer counsellinginstant messagingadolescent

Outcome Measures

Primary Outcomes (1)

  • Changes in drug consumption at 12 months comparing to that at baseline

    The participants' changes in drug consumption between baseline and 12 months follow-up measured using a structured-questionnaire gathering the frequency and categoties of drug consumption in the past 30 days. The more frequencies and the more kinds of drug used indicating the higher consumption of drug abuse.

    12 month

Secondary Outcomes (9)

  • Changes in drug consumption at 6 month comparing to that at baseline

    6 month

  • 30 days self-reported drug abstinence at 6 months

    6 month

  • 30 days self-reported drug abstinence at 12 months

    12 month

  • Changes in relapse risk among the quitters at 6 months comparing to that at baseline

    6 month

  • Changes in relapse risk among the quitters at 12 months comparing to that at baseline

    12 month

  • +4 more secondary outcomes

Study Arms (2)

Brief MI interaction via instant communication

EXPERIMENTAL

The interaction communication using brief motivational interviewing will be applied via the chatting function of instant messaging apps (e.g., WhatsApp, WeChat). The intervention will last for 6 month with a frequency of at least twice a week.

Behavioral: Brief MI interaction via instant communication

General health information

PLACEBO COMPARATOR

The subjects will receive general health information via SMS, such as "do physical exercise for at least 30 min per week will keep you healthy" for 6 month with a frequency of least twice a week.

Behavioral: General health information

Interventions

Telephone peer counselling+referral to treatment if required+The interaction communication using brief motivational interviewing via the chatting function of instant messaging apps (e.g., WhatsApp, WeChat). The intervention will last for 6 month with a frequency of at least twice a week.

Brief MI interaction via instant communication

Telephone peer counselling+referral to treatment if required+general health information via SMS, such as "do physical exercise for at least 30 min per week will keep you healthy" for 6 month with a frequency of least twice a week.

General health information

Eligibility Criteria

AgeUp to 25 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • aged ≤ 25 years;
  • report taking drugs within the past 30 days;
  • be able to speak Cantonese and read traditional Chinese;
  • accept to received counseling use messaging apps (such as WhatsApp, WeChat, and SMS text messenger);
  • have verbally consented to join the follow-up intervention

You may not qualify if:

  • have acute psychosis or other mental problems,
  • are undergoing other drug abuse recovery treatment.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The University of Hong Kong

Hong Kong, Hong Kong

RECRUITING

MeSH Terms

Conditions

Substance-Related DisordersAdolescent Behavior

Condition Hierarchy (Ancestors)

Chemically-Induced DisordersMental DisordersBehavior

Study Officials

  • Denise Shuk Ting Cheung, PhD

    The University of Hong Kong

    STUDY DIRECTOR

Central Study Contacts

Denise Shuk Ting Cheung, PhD

CONTACT

Tingna Liang, MPhil

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 11, 2020

First Posted

December 17, 2020

Study Start

March 1, 2021

Primary Completion

August 1, 2022

Study Completion

December 1, 2023

Last Updated

May 4, 2022

Record last verified: 2022-04

Data Sharing

IPD Sharing
Will share

The relevant anonymized patient-level data, full dataset, technical appendix, and statistical code are available on reasonable request. The approval from the Principal Investigator for the purpose of data use is required.

Time Frame
After the project is completed and the results of the project have been published.
Access Criteria
Request could be sent to Principal Investigator (william3@hku.hk)

Locations