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Background: Current evidence-based treatments for adult anorexia nervosa (AN) have limitations, with high attrition, very poor outcomes for 20% of people, and no clearly superior manualised therapy for adults with AN. Specialist Supportive Clinical Management (SSCM) was designed as a control treatment but has evolved as a valid first line treatment. The present paper aims to provide an overview of the evidence base for SSCM and a pedagogical reconceptualization with expansion by theoretical integration (TI). Body: A secondary meta-analysis endorses SSCM as a promising treatment. This paper positions SSCM as a manualised therapy for adult AN with six unique features, namely (1) a philosophy which is person-centred, non-prescriptive, and informed by the person's strengths and values, (2) a focus on the person through inclusion of supportive psychotherapy and problem (clinical management), within target symptoms as defined in relation to AN, (3) a flexible and responsive therapy that could be delivered by a variety of clinicians with experience treating AN (4) a commitment to reversing starvation though a directional approach and a defined yet flexible stance on dietetic intervention (5) a commitment to the therapeutic relationship within all three phases of treatment, and (6) a therapy 'uncluttered' by specific mandates. In addition, this paper positions SSCM as a treatment that may be strengthened by other modalities and may also be adapted to the treatment of other eating disorders (ED), not just AN. The level of therapist sophistication to deliver upon the supportive psychotherapy component is explored and future directions are offered. Conclusion: SSCM is a unique and valid first line treatment for AN and would benefit from further expansion in line with emerging understandings of AN to strengthen it as a treatment. Speculation on aspects of potency would benefit from further testing. The proposed re-conceptualisation of SSCM in the context of its evidence may strengthen it as a treatment overall, position it as adaptable for treatment of other eating disorders and make it more accessible to clinicians. Plain English summary: The few established treatments for anorexia nervosa have limited success rates with high patient dropout. Specialist Supportive Clinical Management (SSCM) is a promising treatment for eating disorders. It would be beneficial to understand SSCM better and how and why it may work, which this paper proposes. SSCM is collaborative and flexible to people's needs, offering them treatment choices and to progress at their own pace. It is less prescriptive than other manualised therapies and therefore could be offered to people more than once, building hopefulness. It requires an experienced psychotherapist to deliver it as SSCM addresses both the symptom of the ED (food and exercise behaviours) as well as life issues causing difficulty to a person (psychotherapy), as presented by the patient. Grounded in a sound scientific basis, SSCM is a promising treatment that would benefit from further development, in line with evolving understandings of AN, and some ideas for this are offered within the paper. [ABSTRACT FROM AUTHOR]