Trigeminal Neuralgia Electrophysiology

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

RECRUITING

Total Enrollment

30 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-04-04

Study Completion Date

2027-04-07

Brief Summary

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The study intervention is to perform standard somatosensory evoked responses limited to the face during rhizotomy procedures of the gasserian ganglion (trigeminal ganglion) for the treatment of trigeminal neuralgia. The evoked responses will be measured at two locations before and after the clinical rhizotomy including: the standard contralateral scalp (EEG) and at the gasserian ganglion through an FDA-approved recording electrode.

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Detailed Description

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Conditions

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Trigeminal Neuralgia

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Trigeminal Electrophysiology

Intervention Type PROCEDURE

This study will pilot and test the feasibility of introducing electrophysiology into the routine rhizotomy procedure by including trigeminal somatosensory evoked potentials (TSEPs) and recording from electrodes at the level of the ganglion.

Controls

No interventions assigned to this group

Interventions

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Trigeminal Electrophysiology

This study will pilot and test the feasibility of introducing electrophysiology into the routine rhizotomy procedure by including trigeminal somatosensory evoked potentials (TSEPs) and recording from electrodes at the level of the ganglion.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Adults of 18 years or older
* Scheduled to undergo percutaneous rhizotomy for facial pain

* Adults of 18 years or older

Exclusion Criteria

* Facial pain of unclear origin (i.e. not clearly TGN pain)
* Rhizotomy procedure canceled

* Diagnosis or history of facial pain such as TMD or TGN
* History of migraine
* History of any functional pain disorder: fibromyalgia, IBS, CRPS
* Recent chronic pain (within last month)
* Unwilling to participate for two hours in lab
* Current acute pain

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes