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Impact of LEAP and CBT-AN Therapy on Improving Outcomes in Women with Anorexia Nervosa
Arcelus, Jon Hay, Phillipa Mohsin, Mohammed Liu, Liquan Touyz, Stephen Meyer, Caroline Madden, Sloane Attia, Evelyn Pike, Kathleen M Conti, Janet
Arcelus, Jon
Hay, Phillipa
Mohsin, Mohammed
Liu, Liquan
Touyz, Stephen
Meyer, Caroline
Madden, Sloane
Attia, Evelyn
Pike, Kathleen M
Conti, Janet
Abstract
Anorexia nervosa (AN) is a mental health disorder that has serious physical, emotional and social consequences. Whilst cognitive behavioural therapy for AN (CBT-AN) has demonstrated efficacy, there remains a global need to improve AN treatment. Compulsive exercise activity therapy (LEAP) is an active therapy consisting of the addition to CBT-AN of eight specific sessions that focus on exercise and motivation for behavioural change. This paper presents a secondary analysis of 74 female participants in a randomised control trial of LEAP plus CBT-AN versus CBT-AN alone. The main aim of this study was to explore putative predictors and to estimate the magnitude of changes due to LEAP for specific outcome measures. Participants (LEAP: n = 36; CBT-AN: n = 38) were assessed at three successive surveys: baseline, end of therapy, and 6 months post-therapy. The overall effect sizes for changes between baseline to end of therapy and baseline to 6-month follow-up assessment showed large effect sizes (Cohen's d > = 0.80) for mental-health-related quality of life (MHRQoL), weight concern, dietary restraint, eating concern, AN stage change, and psychological distress (all p < 0.05). The results also indicated that several pre-treatment characteristics, including body mass index (BMI), level of eating disorder (ED) symptoms, and MHRQoL are important for identifying whether a treatment is likely to be effective. Future treatment programs should aim to optimise early improvements in BMI, ED symptoms, and MHRQoL.
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2023-08-03
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Hay P, Mohsin M, Liu L, Touyz S, Meyer C, Arcelus J, Madden S, Attia E, Pike KM, Conti J. Impact of LEAP and CBT-AN Therapy on Improving Outcomes in Women with Anorexia Nervosa. Behav Sci (Basel). 2023 Aug 3;13(8):651. doi: 10.3390/bs13080651.
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© 2023 by the authors.
Licensee MDPI, Basel, Switzerland.
This article is an open access article
distributed under the terms and
conditions of the Creative Commons
Attribution (CC BY) license (https://
creativecommons.org/licenses/by/
4.0/).