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Trigeminal Neuralgia Electrophysiology

University of Minnesota · NCT05269472

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Opens the official ClinicalTrials.gov record, with the study team’s contacts. Bored Studies doesn’t enroll anyone.

Key facts

Compensation
Not posted. Ask the study team before screening.
Who can join
Ages 18+ · All sexes
Healthy volunteers
Accepted
Study type
Observational
Target enrollment
30
US sites recruiting
1
Study start
April 4, 2022
Record last updated
November 19, 2025

Status re-checked against ClinicalTrials.gov within the last 12 hours.

What the study is about

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.

Being studied: Trigeminal Electrophysiology

Conditions: Trigeminal Neuralgia

Eligibility criteria

Copied from the official record. The study team makes the final decision at screening.

Show full criteria

Inclusion Criteria (TGN):

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

Exclusion Criteria (TGN):

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

Inclusion Criteria (Healthy controls)

  • Adults of 18 years or older

Exclusion Criteria (Healthy Controls)

  • 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

Recruiting US locations

  • University of Minnesota

    Minneapolis, MN 55455

    Site contact: Matthew Maple · 612-946-1424 · maple036@umn.edu

Study contacts (from the official record)

  • Matthew Maple · 612-946-1424 · maple036@umn.edu
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Trigeminal Neuralgia Electrophysiology (NCT05269472) | Bored Studies