Seyda, EruyarMerve, YilmazMichelle, O' ReillyPanos, Vostanis2024-02-232024-02-2320230951-06051099-0860https://doi.org/10.1111/chso.12807https://hdl.handle.net/20.500.12452/13799Refugee children and young people have high levels of unmet mental health needs. A trauma-informed service transformation framework was applied with 14 professionals in Turkey. Through participatory focus groups, professionals co-produced service plans and considered enabling and challenging factors for implementation. Data were analysed through a thematic codebook approach. Established themes suggested that implementation should concurrently address societal barriers, agency fragmentation, lack of contextual interventions and sustainability. These led to the development of a Theory of Change. A trauma-informed and scaled service model of collaborative care can holistically meet refugee children and young people's complex needs, while maximising sparse resources.eninfo:eu-repo/semantics/openAccessChildMental HealthRefugeeServiceTheory Of ChangeArticle2-s2.0-85174391174Q2WOS:00108786900000110.1111/chso.12807