Vagus Nerve Stimulation (VNS) Electroencephalogram (EEG) Protocol Supplement

NCT ID: NCT07310381

Last Updated: 2025-12-30

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Clinical Phase

NA

Total Enrollment

12 participants

Study Classification

INTERVENTIONAL

Study Start Date

2026-01-01

Study Completion Date

2026-12-31

Brief Summary

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The study will examine the autonomic, physiologic and neurophysiologic effects of implanted Vagus Nerve Stimulation (VNS) in treatment-resistant depression patients.

Detailed Description

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The purpose of this study is to examine the autonomic and physiologic effects of implanted VNS in treatment-resistant depression patients. To examine the neurophysiologic effects of Vagus Nerve Stimulation (VNS) in treatment-resistant depression.

Conditions

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Treatment Resistant Depression

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Participants implanted with VNS

Participants receiving vagus nerve stimulation through an implanted Vagus Nerve Stimulation Device.

Group Type OTHER

Vagus Nerve Stimulation

Intervention Type DEVICE

Participants receiving vagus nerve stimulation through an implanted Vagus Nerve Stimulation Device.

Interventions

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Vagus Nerve Stimulation

Participants receiving vagus nerve stimulation through an implanted Vagus Nerve Stimulation Device.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

1. Participants must be at least 18 years old.
2. Participants must be able to read, understand and have the capacity to provide written informed consent and Health Insurance Portability and Accountability Act (HIPAA) authorization.
3. Proficiency in English sufficient to complete questionnaire and follow instructions during fMRI assessments and iTBS interventions.
4. Willingness to comply with all study procedures and the ability to communicate with study personnel about adverse events and other clinically important information
5. Participant must be currently enrolled in the REVEAL study and implanted with a VNS device for the clinical indication of Major Depressive Disorder (MDD)

a. Clinical Indication of MDD as defined: Participant has a diagnosis of chronic (≥ 2 years) or ≥ 4 recurrent depressive episodes as defined by DSM-5 criteria documented using the MINI criteria and psychiatric medical record review.
6. 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.
7. Access to ongoing psychiatric care before and after completion of the study.
8. In good general health, as evidenced by medical history
9. Agreement to adhere to Lifestyle Considerations throughout study duration.

Exclusion Criteria

1. Participant is pregnant
2. Participant does not speak or read English
3. Any other clinical reasons deemed by the investigator of the study for which the participant would not be an appropriate candidate for the study.
4. Contraindication to MRI (ferromagnetic metal in their body)
5. Contraindication to EEG
6. Medication Contraindications
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Stanford University

OTHER

Sponsor Role lead

Responsible Party

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Christopher Wallace Austelle

Clinical Assistant Professor, Department of Psychiatry & Behavioral Sciences, Stanford University School of Medicine

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Christopher Austelle, MD

Role: STUDY_DIRECTOR

Department of Psychiatry and Behavioral Sciences, Stanford School of Medicine

Central Contacts

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Irakli Kaloiani

Role: CONTACT

Phone: 650-800-6920

Email: [email protected]

Katina Marchione

Role: CONTACT

Email: [email protected]

Other Identifiers

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80038

Identifier Type: -

Identifier Source: org_study_id