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Repetitive Transcranial Magnetic Stimulation of the DMPFC for Anorexia and Bulimia: an Open-Label Case Series

Anorexia Nervosa Clinical Trial

Official title:
Repetitive Transcranial Magnetic Stimulation of the Dorsomedial Prefrontal Cortex as a Treatment for Anorexia Nervosa and Bulimia Nervosa: An Open-Label Case Series

Clinical Trial Summary

This project proposes to perform a pilot study of fMRI targeted Dorsomedial Prefrontal Cortex repetitive transcranial magnetic stimulation (DMPFC-rTMS) on individuals diagnosed with Bulimia Nervosa (BN) and Anorexia Nervosa (AN). The DMFPC is a novel target for rTMS, is heavily implicated in the regulation of mood and affect, and has been suggested to be involved in AN, BN, major depression, OCD, and PTSD. Improved function in this area might lead to reduced AN and BN symptoms, such as bingeing, purging, and over-activity, perhaps by improved regulation of mood and affect. Improvements in important areas of comorbidity might allow for better response to intensive treatment for AN and BN, and reduce relapse rates after such treatment. The DMPFC may be a more appropriate target for compared to the Dorsolateral Prefrontal Cortex (DLPFC), which has typically been the focus of stimulation in the past. Our initial preliminary pilot work has noted unexpected and significant improvements in some core ED symptoms (bingeing and purging) and in important areas of comorbidity (OCD and PTSD), along with expected improvements in mood. These changes have allowed some treatment resistant patients to either complete intensive treatment or be successful in maintaining their progress post intensive treatment. Subjects will receive up to 30 sessions of bilateral DMPFC-rTMS. Response will be evaluated clinically, via psychometric measures, and pre and post fMRI.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04409704
Study type Interventional
Source University Health Network, Toronto
Contact
Status Completed
Phase Phase 1
Start date December 11, 2011
Completion date December 7, 2015
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