Two Year Follow-Up of the MOSAIC Trial: a Multi-Centre Randomised Controlled Trial Comparing Two Psychological Treatments in Adult Outpatients with Broadly Defined Anorexia Nervosa

Ulrike Hermine Schmidt, Elizabeth Gabrielle Ryan, Savani Bartholdy, Bethany Gwen Renwick, Alexandra Jane Keyes, Caitlin Beth O'Hara, Jessica Kate McClelland, Anna Lose, Martha Kenyon, Hannah DeJong, Hannah Broadbent, Rachel Loomes, Lucy Serpell, Lorna Richards, Eric Johnson-Sabine, Nicky Boughton, Linette Whitehead, eva-maria bonin, Jennifer Beecham, Sabine LandauJanet Linda Treasure

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51 Citations (Scopus)
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Abstract

Objective: This study reports follow-up data from a multi-centre randomized controlled trial (n=142) comparing the Maudsley Model of Anorexia Nervosa Treatment for Adults (MANTRA) with Specialist Supportive Clinical Management (SSCM) in outpatients with broadly defined anorexia nervosa (AN). At 12 months post-randomization, all patients had statistically significant improvements in body mass index (BMI), eating disorder (ED) symptomatology and other outcomes with no differences between groups. MANTRA was more acceptable to patients. The present study assessed whether gains were maintained at 24 months post-randomization.

Methods: Follow-up data at 24 months were obtained from 73.2% of participants. Outcome measures included BMI, ED symptomatology, distress, impairment, and additional service utilization during the study period. Outcomes were analyzed using linear mixed models.

Results: There were few differences between groups. In both treatment groups, improvements in BMI, ED symptomatology, distress levels and clinical impairment were maintained or increased further. Estimated mean BMI change from baseline to 24 months was 2.16kg/m2 for SSCM and 2.25kg/m2 for MANTRA (effect sizes of 1.75 and 1.83 respectively). Most participants (83%) did not require any additional intensive treatments (e.g. hospitalization). Two SSCM patients became overweight through binge-eating.

Discussion: Both treatments have value as outpatient interventions for patients with AN.
Original languageEnglish
Pages (from-to)793-800
JournalInternational Journal of Eating Disorders
Volume49
Issue number8
Early online date6 Apr 2016
DOIs
Publication statusPublished - Aug 2016

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