Accelerated Intermittent Theta-Burst Stimulation (aiTBS) in Treatment-Resistant Depression of Bipolar II Disorder
1 other identifier
interventional
60
1 country
1
Brief Summary
The purpose of this study is to investigate the effectiveness of accelerated intermittent theta-burst transcranial magnetic stimulation (aiTBS) in inducing anti-depressant responses in individuals with treatment-resistant depression of bipolar II disorder. This is a double-blind, randomized, sham-controlled trial that targets a single location on the left dorsolateral prefrontal cortex (LDLPFC) using the MagPro rTMS system.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Dec 2022
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
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
December 20, 2022
CompletedFirst Submitted
Initial submission to the registry
April 28, 2023
CompletedFirst Posted
Study publicly available on registry
May 8, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
July 30, 2026
April 30, 2024
April 1, 2024
3.5 years
April 28, 2023
April 26, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change from baseline Montgomery Asberg Depression Rating Scale (MADRS)
A ten item diagnostic questionnaire used to measure the severity of depressive episodes in patients with mood disorders. The MADRS uses a 0 to 6 severity scale, scored following the interview. Scoring/Interpretation: Higher scores indicate increasing depressive symptoms. Cut-off points include: 0 to 6 - symptom absent, 7 to 19 - mild depression, 30 to 34 - moderate, 35 to 60 - severe depression.
Baseline and immediately post-treatment, 1-month
Secondary Outcomes (2)
Change from baseline Young Mania Rating Scale (YMRS)
Baseline and immediate post-treatment, 1-month
Change in resting-state functional connectivity
After all stimulation sessions have been completed (approximately 48 hours after the final session)
Study Arms (2)
Active aiTBS
ACTIVE COMPARATORParticipants will be randomized to active or sham aiTBS condition, and receive 10 aiTBS to left DLPFC (LDLPFC) sessions a day for 5 days of course.
Sham aiTBS
SHAM COMPARATORParticipants will be randomized to active or sham aiTBS condition, and receive 10 aiTBS to left DLPFC (LDLPFC) sessions a day for 5 days of course.
Interventions
Participants will be randomized to active or sham aiTBS condition, and receive 10 aiTBS to left DLPFC (LDLPFC) sessions a day for 5 days of course.
Participants will be randomized to active or sham aiTBS condition, and receive 10 aiTBS to left DLPFC (LDLPFC) sessions a day for 5 days of course.
Eligibility Criteria
You may qualify if:
- Participants aged 18 years old to 80 years old with a primary diagnosis of bipolar affective disorder II in a current major depressive episode, according to the criteria defined in the Diagnosis and Statistical Manual of Mental Disorders, Fifth Fourth Edition, Text Revision (DSM-V).
- Able to read, understand, and provide written, dated informed consent prior to screening. Participants will be deemed likely to comply with study protocol and communicate with study personnel about adverse events and other clinically important information.
- Meet the criteria by Maudsley Staging Method score \>=7
- Not in a current state of hypomania (as assessed by the Young Mania Rating Scale) or psychosis
- In good general health, as ascertained by medical history.
- Must have a stable psychiatrist during study enrollment, who confirms diagnosis of bipolar II disorder.
- Must be on a mood stabilizer regimen for 6 weeks prior to study enrollment and agree to continue this regimen during study period
- Meet the threshold on the MADRS, with a total score of \>/=20 at screening/baseline.
- TMS Naive
- \. For females of reproductive potential: use of highly effective contraception for at least 1 month prior to screening and agreement to use such a method during study participation.
- \. Agreement to adhere to Lifestyle Considerations throughout study duration.
- Lifestyle considerations:
- Abstain from becoming pregnant from the screening visit (Visit 1) until after the final study visit (Visit 9).
- Continue usual intake patterns of caffeine- or xanthine-containing products (e.g., coffee, tea, cola drinks, and chocolate) without significant change for the duration of the study.
- Abstain from alcohol for at least 24 hours before the start of each MRI and TMS session.
- +1 more criteria
You may not qualify if:
- Primary diagnosis other than bipolar II disorder
- Any structural lesion e.g. structural neurological condition, more subcortical lesions than would be expected for age, stroke effecting stimulated area or connected areas or any other clinically significant abnormality that might affect safety, study participation, or confound interpretation of study results.
- Metal implant in brain (e.g. deep brain stimulation), cardiac pacemaker, or cochlear implants
- History of epilepsy or seizures
- Shrapnel or any ferromagnetic item in the head
- Pregnancy
- Autism Spectrum disorder
- Any current or past history of any physical condition which in the investigator's opinion might put the subject at risk or interfere with study results interpretation
- Active substance abuse (\<1 week) or intoxication verified by toxicology screen--of cocaine, amphetamines, benzodiazepines
- Cognitive impairment (including dementia)
- Current severe insomnia (must sleep a minimum of 5 hours the night before stimulation)
- Current hypomania or psychosis
- Showing symptoms of withdrawal from alcohol or benzodiazepines
- A diagnosis of intellectual disability
- Parkinsonism or other movement disorder determined by Principal Investigator to interfere with treatment
- +12 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Stanford University
Palo Alto, California, 94305, United States
Related Publications (32)
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PMID: 19958306BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Nolan Williams, MD
Stanford University
- STUDY DIRECTOR
Bora Kim, MD
Stanford University
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator: Nolan Williams, MD, Stanford University / Protocol Director: Bora Kim, MD, Stanford University
Study Record Dates
First Submitted
April 28, 2023
First Posted
May 8, 2023
Study Start
December 20, 2022
Primary Completion (Estimated)
July 1, 2026
Study Completion (Estimated)
July 30, 2026
Last Updated
April 30, 2024
Record last verified: 2024-04
Data Sharing
- IPD Sharing
- Will not share
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