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Contribution title	2641 - Clinical Significance of Assertive Community Treatment among Adolescents and Predictors of its Efficacy
Contribution code	PS03-24 (P)
Authors	Gregory Mantzouranis CHUV / Service Universitaire de Psychiatrie de l'Enfant et de l'Adolescent Presenter Vanessa Baier Centre Hospitalier Universitaire Vaudois (CHUV) Eva Villard SUPEA-DP-CHUV Olivier Halfon Laurent Holzer Sébastien Urben CHUV - Département de psychiatrie
Form of presentation	Poster
Topic	Assessment Adolescent Community based therapy
Abstract	Objectives: The efficacy of assertive community treatment (ACT) for children and adolescents is proven in the US, but remains controversial in Europe. Moreover, most studies showing positive outcomes of ACT are limited to statistically significant differences and don’t consider whether the treatment is also clinically meaningful for the patient. Methods: The present study uses linear mixed-effects models and reliable change indices to respectively assess statistical and clinical significance of ACT in 179 adolescents (mean age = 15.76, SD = 1.76) with heterogeneous diagnoses. Results: Results show that difficulties related to mental health (measured by the Health of the Nation Outcome Scales for Children and Adolescents, HoNOSCA) and overall functioning (measured by the Global Assessment of Functioning scale, GAF) statistically improved (all ps < .001) from admission to discharge and that a considerable proportion of patients (from 14% to 21%) clinically recovered to functional levels. In addition, we observed that predictors – such as dangerousness, insight, and social network state at admission – have differential effects on clinical recovery, depending on the outcome measure. Conclusion: Our results support the fact that some variants of ACT can have convincing clinical outcomes in European settings.