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- Title
Randomised controlled trial of neurostimulation for symptoms of anorexia nervosa (TRENA study): study protocol.
- Authors
Harvey, Anna J.; Madden, Sloane; Rodgers, Anthony; Bull, Michael; Chatterton, Mary Lou; Hadzi-Pavlovic, Dusan; Loo, Colleen K.; Martin, Donel M.
- Abstract
Background: Anorexia nervosa (AN) has amongst the highest mortality rates and the highest treatment costs of any psychiatric disorder. Recently, interest in non-invasive brain stimulation as a novel treatment for AN has grown. These include repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS). Methods: This double-blind, randomised sham-controlled trial will compare the relative acceptability and efficacy of tDCS and rTMS in people with AN. 70 participants will be randomised to active or sham tDCS, or active or sham rTMS treatment (2:1:2:1 ratio) over an 8-week treatment period. Participants will receive treatment as usual across the study duration. The primary outcomes are change on the Eating Disorder Examination Questionnaire and treatment acceptability. Secondary outcomes will include change in weight, cognition, mood, interpersonal functioning, and quality of life. Following the 8-week assessment, all participants will have the option of receiving an additional 12 weeks of at-home tDCS. A follow-up assessment will be conducted at 20 weeks post treatment. Discussion: Research into non-invasive brain stimulation as treatments for AN has potential to improve clinical outcomes for patients by comparing the relative efficacy and acceptability of both treatment modalities in the inpatient and at-home setting (i.e., for at-home tDCS) results from this study will provide important information for informing future larger clinical trials of these treatments for AN. Trial registration: ClinicalTrials.gov Identifier: NCT05788042.
- Subjects
TRANSCRANIAL direct current stimulation; RANDOMIZED controlled trials; ANOREXIA nervosa; TRANSCRANIAL magnetic stimulation; NEURAL stimulation
- Publication
Journal of Eating Disorders, 2023, Vol 11, Issue 1, p1
- ISSN
2050-2974
- Publication type
Article
- DOI
10.1186/s40337-023-00940-7