Evaluation of the German adaptation of the US-American family based prevention program against substance abuse, "Strengthening Families Program 10-14"

Randomized controlled multicenter evaluation of the German adaptation of the US-American family based prevention program against substance abuse "Strengthening Families Program 10-14"

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN90251787

Enrollment

288

Registered

2011-05-25

Start date

2010-03-01

Completion date

Unknown

Last updated

2015-01-13

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

Conditions

Substance abuse and behavioural disorders in adolescents Mental and Behavioural Disorders Substance abuse

Interventions

Intervention: 1. The German version of the ?Strengthening Families Program 10-14?, now called ?Familien stärken? consists of 11 training sessions which last two hours each 2. The first 7 sessions are

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Age range from 11-13 2. Living in an economically deprived area of a city 3. The capability to attend group programs

Exclusion criteria

Exclusion criteria: 1. A diagnosed substance abuse disorder 2. Currently participating or having participated in the past six months in another comparable prevention program

Design outcomes

Primary

Measure	Time frame
1. Adolescents? substance consumption 2. Adolescents? mental health status 3. Adolescents? self-efficacy 4. Adolescents? problem behaviour 5. Parenting style 6. Level of family functioning 7. Measuring points for both arms are at baseline, post intervention (after the booster sessions), as well as 6 and 18 months after the intervention ended (follow ups)	—

Secondary

Measure	Time frame
1. Parents? mental health status 2. Parents? self-efficacy 3. Parents' self-efficacy in parenting	—

Countries

Germany

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 8, 2026