| Summary: | Objective: To critically appraise Sidari et al.'s pilot evaluation of the Strong Foundations programme ‐ a 6‐week pre‐treatment, family‐centred intervention that reconceptualises the waitlist as an active window for support, and to assess whether scalable caregiver interventions can improve clinical outcomes and treatment engagement. Method: Critical synthesis of the pilot study's design, implementation, and outcomes. The programme delivered structured psychoeducation to parents alongside specialist medical oversight for adolescents during the pre‐treatment period. We summarise reported process and clinical indicators, assess methodological strengths and limitations, and explore adaptations such as digital delivery, peer co‐facilitation and primary care integration within stepped‐care frameworks. Results: Participating parents reported increased caregiving confidence and understanding of treatment pathways. Adolescents demonstrated preliminary improvements in BMI, affective symptoms and eating‐disorder psychopathology. Strengths included focus on an overlooked treatment interval and integrated medical support; limitations included small sample size, absence of a control condition, selection bias, and brief follow‐up. Proposed adaptations may increase scalability while preserving family‐centred elements. Conclusions: Reframing waitlists as active therapeutic intervals via brief, caregiver‐focused interventions are promising for improving early outcomes, uptake and retention. Larger, controlled trials of condensed and digitally enabled formats are needed to establish effectiveness, cost‐effectiveness, implementation feasibility and generalisability. Highlights: Parent‐focused pre‐treatment workshops (e.g., Strong Foundations) are feasible and may boost caregiver knowledge and self‐efficacy, though current evidence needs cautious interpretation.Recommend a pragmatic 60–90 min parent workshop with digital pre‐work and brief boosters within a stepped‐care pathway.Future work should use randomized designs, embedded mixed‐methods process evaluations, and implementation frameworks (e.g., RE‐AIM) to test effectiveness and scalability.
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