Study of Neuroplasticity on Depressed Patients : Modulation of MEP Induced by Theta Burst Stimulation
DEPLAS
1 other identifier
interventional
28
1 country
1
Brief Summary
Neuroplasticity is supposed to be altered in patients suffering from a Major Depressive Disorder (MDD). Transcranial Magnetic Stimulation is a medical device which measures cerebral plasticity. Several parameters of cortical excitability are available for that purpose. These parameters are altered on patients wth MDD and these modifications are corrected after treatment. Therefore results in the studies are very heterogeneous. Theta Burst Stimulation (TBS) is a type a Transcranial Magnetic Stimulation (TMS) protocol and can induce cerebral plasticity. The cerebral plasticity induced by TBS was measured on a group of patients suffering from Asperger's disease (ASD) versus a control group. The plasticity was significantly different in patients with ASD. The aim of our study is to study the neuroplasticity induced by TBS on a patients with MDD.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable depression
Started Mar 2014
Longer than P75 for not_applicable depression
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
Study Start
First participant enrolled
March 21, 2014
CompletedFirst Submitted
Initial submission to the registry
April 8, 2015
CompletedFirst Posted
Study publicly available on registry
May 8, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 7, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
February 7, 2018
CompletedFebruary 27, 2018
February 1, 2018
3.9 years
April 8, 2015
February 24, 2018
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Time needed for MEP amplitude to return to Baseline after TBS
The primary outcome is determined by measuring the MEP size at 5/10/20/30/40/50/60/75/90/105/120 min post TBS. Then we determine when the MEP size comes back to the Baseline measure
Baseline, up to 120 minutes post TBS
Secondary Outcomes (1)
Size-effect of modification of MEP size after TBS
The secondary outcome is determined by measuring the MEP size 5/10/20/30/40/50/60/75/90/105/120 min post TBS
Study Arms (2)
Patients with MDD
EXPERIMENTALthe group of depressed patients undergo 2 Theta Burst Stimulations : iTBS and cTBS. There is one session per stimulation. Cerebral Plasticity is measured after each stimulation for each session
healthy Controls
EXPERIMENTALthe group of healthy controls undergo 2 Theta Burst Stimulations : iTBS and cTBS. There is one session per stimulation. Cerebral Plasticity is measured after each stimulation for each session
Interventions
During the first session, After determining the parameters of stimulation (stimulated target : part of the left motor cortex responsible for the contraction of the right first dorsal interosseous muscle ; Activity Motor Threshold (AMT) ; Intensity of Stimulation providing a Motor Evoked Potential (MEP) with an Amplitude of 1mV (MEP 1mV)), a Baseline consisting of 15 MEP (intensity MEP 1mV) is measured. Then each subjet receive a TBS protocol (cTBS or iTBS) (intensity of stimulation 80% of AMT). After receiving the stimulation, sets containing 10 MEP are regularly measured by each subject. During a second session, the same protocol is done again with the other TBS stimulation (cTBS or iTBS) the subject didn't get during the first session.
Eligibility Criteria
You may qualify if:
- Subjects with MDD
- MDD according to definition provided by the DSM V
- No antidepressant Healthy Controls
- No present psychiatric disease
You may not qualify if:
- depression with Melancholic features
- pregnancy
- contra indication in the use of TMS (personal history of epilepsy, deep brain stimulation, vague nerve stimulation, pace maker, intracerebral lesion, pieces of metal Inside of the brain)
- diseases with neurological effects (multiple sclerosis, Parkinson disease, HIV...)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Hopital Vinatier
Lyon, Auvergne-Rhône-Alpes, 69678, France
Related Publications (1)
Vignaud P, Damasceno C, Poulet E, Brunelin J. Impaired Modulation of Corticospinal Excitability in Drug-Free Patients With Major Depressive Disorder: A Theta-Burst Stimulation Study. Front Hum Neurosci. 2019 Feb 26;13:72. doi: 10.3389/fnhum.2019.00072. eCollection 2019.
PMID: 30863297DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Emmanuel POULET, MD PhD
Hôpital le Vinatier
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- BASIC SCIENCE
- Intervention Model
- CROSSOVER
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- medical doctor
Study Record Dates
First Submitted
April 8, 2015
First Posted
May 8, 2015
Study Start
March 21, 2014
Primary Completion
February 7, 2018
Study Completion
February 7, 2018
Last Updated
February 27, 2018
Record last verified: 2018-02