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Repetitive transcranial magnetic stimulation treatment in severe, enduring anorexia nervosa: An open longer-term follow-up

Research output: Contribution to journalArticlepeer-review

Original languageEnglish
Pages (from-to)773-781
Number of pages9
JournalEuropean Eating Disorders Review
Volume28
Issue number6
DOIs
Accepted/In press23 Jun 2020
Published1 Nov 2020

Documents

  • PURE_Manuscript_TIARA_LT_FU_June2020

    PURE_Manuscript_TIARA_LT_FU_June2020.docx, 51.4 KB, application/vnd.openxmlformats-officedocument.wordprocessingml.document

    Uploaded date:13 Jul 2020

    Version:Accepted author manuscript

King's Authors

Abstract

Objective: This study assessed longer-term outcomes from a randomised controlled feasibility trial of 20 sessions of real versus sham high-frequency repetitive transcranial magnetic stimulation (rTMS) to the left dorsolateral prefrontal cortex in adults with severe, enduring anorexia nervosa (SE-AN). Methods: Thirty participants who completed the original study protocol were invited to take part in an open follow-up (18-months post-randomisation), assessing body mass index (BMI), eating disorder (ED) symptoms and other psychopathology. Results: Twenty-four participants (12 each originally allocated to real/sham) completed the 18-month follow-up. Ten of 12 participants who originally received sham treatment had real rTMS at some stage during the follow-up. A medium between-group effect size was seen for BMI change from baseline to 18-months, favouring those originally allocated to real rTMS. In this group at 18-months, five participants were weight recovered (BMI ≥18.5 kg/m 2), compared with one participant in the original sham group. Both groups showed further improvement in ED symptoms during the follow-up. Effects on mood were largely maintained at follow-up, with catch-up effects in the original sham group. Conclusions: Findings suggest that rTMS treatment effects on mood are durable and that BMI and ED symptom improvements need time to emerge. Large-scale trials are needed.

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