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Migraine drug shows promise for rare facial nerve pain

NCT ID NCT04158752

Symptom relief Sponsor: Duke University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a drug that blocks a pain-signaling protein (CGRP) in 26 adults with trigeminal or glossopharyngeal nerve pain caused by small fiber neuropathy or fibromyalgia. The goal was to see if it reduces pain and the need for other pain medications, while checking for side effects. The drug is already approved for migraines, so researchers wanted to see if it could help these other painful conditions.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

26 people

The number who actually took part.

Started

Jul 2020

Finished

Jan 2023

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age 18-80 years old. * The patient must have an assigned diagnosis of non-neuralgic trigeminal nerve pain G50.1, with all its permutations listed in the ICD10 explicitly allowed. Co-morbid trigeminal neuralgia G50.0 and G43. … related headache codes are allowed. As an alternative to trigeminal nerve pain G50.1, glossopharyngeal nerve pain will be another inclusion criterion, with a G52.1 diagnosis and explicit mentioning of pain mediated by or in the innervation territory of the glossopharyngeal nerve. In addition, patients have to be diagnosed with a painful small fiber neuropathy. This diagnosis is based on a skin biopsy or biopsy of an innervated surface epithelium with nerve fiber density count. The required ICD10 diagnostic codes are G63.3, G60.8, G62.8. Co-morbidity with a fibromyalgia-related disorder will be allowed, typically summarized under a diagnosis code of M79.7. Exclusion Criteria: * Patients that have a history of allergy or allergy-like incompatibility with a biologic that contains a human or humanized monoclonal antibody will be excluded. * Female patients of child-bearing age who are or want to become pregnant will be excluded. In case such a patient intends to participate, then she has to commit to a pregnancy prevention regimen that is based on hormonal contraceptive or intra-uterine device.

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Conditions

The condition(s) this trial relates to.

Glossopharyngeal Nerve Diseases glossopharyngeal neuralgia neuropathy, small fiber trigeminal neuralgia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Glossopharyngeal neuralgia Trigeminal neuralgia

Contacts and locations

Locations

  • Duke University

    Durham, North Carolina, 27705, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.