tVNS for Depression
Transcutaneous Vagus Nerve Stimulation for Treating Major Depressive Disorder: a Phase II, Randomized, Double-blind Clinical Trial
1 other identifier
interventional
40
0 countries
N/A
Brief Summary
This is a phase II, randomized, sham controlled, clinical trial. This clinical trial has as primary objective to evaluate changes in depressive symptoms of a transcutaneous Vagus Nerve Stimulation (tVNS) treatment protocol for patients with moderate / severe depressive episode.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1
Started Nov 2015
Shorter than P25 for phase_1
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
First Submitted
Initial submission to the registry
September 25, 2015
CompletedFirst Posted
Study publicly available on registry
September 29, 2015
CompletedStudy Start
First participant enrolled
November 1, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2016
CompletedStudy Completion
Last participant's last visit for all outcomes
July 1, 2016
CompletedSeptember 29, 2015
September 1, 2015
3 months
September 25, 2015
September 25, 2015
Conditions
Outcome Measures
Primary Outcomes (1)
• Hamilton Depressive Rating Scale version 17 items (HDRS-17)
This clinical trial has as primary objective to evaluate the effect of the tVNS on depressive symptoms measured by the Hamilton Depressive Rating Scale version 17 items (HDRS-17) in patients with moderate / severe depressive episode.
Change from baseline in depressive symptoms at 2 weeks
Study Arms (2)
ACTIVE tVNS
ACTIVE COMPARATORtVNS will be applied by the external simulator (Monarch). The stimulation will be conducted at a frequency of 120 Hz with pulse duration of 250 microseconds. The current intensity will be individually established and should be equivalent to a slight feeling of not painful paresthesia .The stimulus generates a pulse and asymmetric biphasic waveform. Electrodes (25cm2) will be placed over the mastoid process bilaterally. The study protocol will follow the rational of our previous trials with TNS.
SHAM tVNS
SHAM COMPARATORtVNS will be applied by the external simulator (Monarch). The stimulation will be turned off after 60 seconds following previous trials.
Interventions
tVNS will be applied by the external simulator (Monarch). The stimulation will be conducted at a frequency of 120 Hz with pulse duration of 250 microseconds. The current intensity will be individually established and should be equivalent to a slight feeling of not painful paresthesia .The stimulus generates a pulse and asymmetric biphasic waveform. Electrodes (25cm2) will be placed over the mastoid process bilaterally. The study protocol will follow the rational of our previous trials with TNS.
Eligibility Criteria
You may qualify if:
- patients between 18 and 69 years
- patients with a diagnosis of depression according to the SCID
- score greater than or equal to 18 on the Hamilton Rating Scale 17-item version (equivalent to moderate or severe depressive episode)
- agreement to participate in the study as recommended in the IC.
You may not qualify if:
- patients with psychiatric indication for hospitalization
- patients with psychiatric comorbidity
- patients with a diagnosis of personality disorder
- presence of severe neurological or medical diseases such as neoplasms in activity, neurodegenerative diseases and chronic diseases uncompensated.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Related Publications (3)
Trevizol AP, Sato IA, Bonadia B, Liquidato BM, Barros MD, Cordeiro Q, Shiozawa P. Trigeminal Nerve Stimulation (TNS) for Major Depressive Disorder in Pregnancy: A Case Study. Brain Stimul. 2015 Sep-Oct;8(5):988-9. doi: 10.1016/j.brs.2015.07.034. Epub 2015 Jul 23. No abstract available.
PMID: 26358492RESULTShiozawa P, Duailibi MS, da Silva ME, Cordeiro Q. Trigeminal nerve stimulation (TNS) protocol for treating major depression: an open-label proof-of-concept trial. Epilepsy Behav. 2014 Oct;39:6-9. doi: 10.1016/j.yebeh.2014.07.021. Epub 2014 Aug 23.
PMID: 25150403RESULTCook IA, Schrader LM, Degiorgio CM, Miller PR, Maremont ER, Leuchter AF. Trigeminal nerve stimulation in major depressive disorder: acute outcomes in an open pilot study. Epilepsy Behav. 2013 Aug;28(2):221-6. doi: 10.1016/j.yebeh.2013.05.008. Epub 2013 Jun 14.
PMID: 23773978RESULT
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, CARE PROVIDER
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Coordinator - Interdisciplinary Center for Clinical Neuromodulation
Study Record Dates
First Submitted
September 25, 2015
First Posted
September 29, 2015
Study Start
November 1, 2015
Primary Completion
February 1, 2016
Study Completion
July 1, 2016
Last Updated
September 29, 2015
Record last verified: 2015-09