Problematic cannabis use. Effect-evaluation of the 'Wiet-Check', the Dutch version of the Adolescent Cannabis Check-Up (ACCU).

Problematic cannabis use. Effect-evaluation of the 'Wiet-Check', the Dutch version of the Adolescent Cannabis Check-Up (ACCU). - Effectiveness of the 'Wiet-Check.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

NL-OMON

Registry ID

NL-OMON34965

Enrollment

280

Registered

2011-01-03

Start date

2011-02-03

Completion date

Unknown

Last updated

2025-03-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

problematisch middelengebruik, middelenmisbruik en -afhankelijkheid frequent cannabis use problematic cannabis use

Interventions

The Wiet-Check is a brief intervention based on the principles of motivational interviewing and consists of two sessions of 60-90 minutes each. The intervention will be delivered by trained professi

Eligibility

Age

12 Years to 99 Years

Inclusion criteria

Inclusion criteria: - age between 14 and 21 years old - frequent cannabis use (weekly use)

Exclusion criteria

Exclusion criteria: - treatment for alcohol or drug issues in the past three months - 14 and 15 years: consumption of more than 21 alcoholic beaverages a week / 16 years and older: consumption of more than 30 alcoholic beaverages a week - use of illicit drug use more than twice weekly in the last three months - significant cognitive impairment - no reasonable fluency in Dutch

Design outcomes

Primary

Measure	Time frame
- Amount and frequency of cannabis use. - Number of cannabis dependence symptoms	—

Secondary

Measure	Time frame
Psychosocial functioning	—

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)