Study Stopped
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High-frequency vs. Low-frequency vs. Sham DMPFC-rTMS for Bulimia and Anorexia Nervosa
The Dorsomedial Prefrontal Cortex as a Target in Treatment-resistant Bulimia Nervosa and Anorexia Nervosa: Investigating Target Engagement, Dosing, Reliability and Duration of Effect Using rTMS, fMRI, and a Sham Controlled Arm
1 other identifier
interventional
90
1 country
1
Brief Summary
This trial will compare the efficacy and tolerability of 10 Hz vs. 1 Hz vs. sham repetitive transcranial magnetic stimulation targeting the dorsomedial prefrontal cortex, delivered once daily over 30 days, in patients with a diagnosis of bulimia or anorexia nervosa binge-purge subtype. The trial will include structural and functional MRI, and behavioral measures obtained before, during, and after treatment.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Nov 2017
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 2, 2016
CompletedFirst Posted
Study publicly available on registry
March 8, 2016
CompletedStudy Start
First participant enrolled
November 1, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 30, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
April 30, 2021
CompletedSeptember 29, 2021
September 1, 2021
3.5 years
March 2, 2016
September 27, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Weekly Binge/Purge Frequency on Eating Disorder Examination (EDE)
Outcome measured by a change in weekly binge and purge episodes from baseline to 2 weeks post-treatment. A 50% improvement in the score is considered a response to rTMS. A final score of 0 weekly binges and 0 weekly vomits is categorized as remission.
Baseline, after each week of treatment, and 1, 4, 12, and 24 weeks post-treatment
Secondary Outcomes (2)
Eating Disorder Inventory-3
Baseline, after each week of treatment, and 1, 4, 12, and 24 weeks post-treatment
Eating Disorder Examination Questionnaire (EDE-Q)
Baseline, after each week of treatment, and 1, 4, 12, and 24 weeks post-treatment
Other Outcomes (1)
Resting-state functional MRI
1 week pre- and 1 week post-intervention
Study Arms (3)
High-frequency rTMS
EXPERIMENTAL10 Hz repetitive transcranial magnetic stimulation to dorsomedial prefrontal cortex, once daily, 5 days per week for 6 weeks
Low-frequency rTMS
EXPERIMENTAL1 Hz repetitive transcranial magnetic stimulation to dorsomedial prefrontal cortex, once daily, 5 days per week for 6 weeks
Sham rTMS
SHAM COMPARATORSham repetitive transcranial magnetic stimulation to dorsomedial prefrontal cortex, once daily, 5 days per week for 6 weeks
Interventions
10 Hz active stimulation, once daily
1 Hz active stimulation, once daily
Sham stimulation, once daily
Eligibility Criteria
You may qualify if:
- Voluntary and Competent to Consent
- MINI confirmed Diagnosis of Bulimia Nervosa OR Anorexia Nervosa, Binge/Purge subtype
- Outpatient
- Between the ages of 18-65
- Have had no increase or initiation of any psychotropic medication in the last 4 weeks prior to screening
- Must adhere to research schedule.
- Pass the TMS Safety Screening Questionnaire.
- Failed to achieve a clinical response to at least one pharmacotherapy or behavioral treatment in the current episode.
You may not qualify if:
- Have a concomitant major unstable medical illness, cardiac pacemaker or implanted medical pump
- Have active suicidal intent
- Are pregnant
- Have a lifetime MINI diagnosis of bipolar I or II disorder, schizophrenia, schizoaffective disorder, schizophreniform, delusional disorder, or current psychotic symptoms
- Have a MINI diagnosis of obsessive-compulsive disorder, post-traumatic stress disorder (current or within the last year), anxiety disorder (generalized anxiety disorder, social anxiety disorder, panic disorder), or dysthymia assessed by a study investigator to be primary and causing greater impairment than the ED
- Have received rTMS for any previous indication due to the potential compromise of subject blinding.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Toronto Western Hospital
Toronto, Ontario, M5T2S8, Canada
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Jonathan Downar, MD PhD
University Health Network, Toronto
- PRINCIPAL INVESTIGATOR
Blake Woodside, MD FRCPC
University Health Network, Toronto
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Psychiatrist
Study Record Dates
First Submitted
March 2, 2016
First Posted
March 8, 2016
Study Start
November 1, 2017
Primary Completion
April 30, 2021
Study Completion
April 30, 2021
Last Updated
September 29, 2021
Record last verified: 2021-09