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Veterans' headache study seeks best nerve block dose

NCT ID NCT06069791

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

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 21, 2026 · Updated 2 times

Summary

This study is for veterans with long-term headaches after a head injury. It compares three different doses of a numbing medicine injected near a nerve in the scalp. Each participant will try all three doses, one week apart, to see which works best and feels most comfortable. The goal is to find the best way to ease headache pain.

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 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

10 people

The number who actually took part.

Started

Jan 2024

Finished

Dec 2025

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 years and older

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: * United States Military Veterans within VA Connecticut Healthcare System * Chronic post-traumatic headache per ICHD-3 criteria (i.e., headaches are continuing to occur three months after the head injury) * At least two headache days per week * MRI brain scan completed within the past 3 months if chronic PTH for less than one year, within the past year if chronic PTH for less than 5 years, and within 5 years if chronic PTH for more than 10 years * Review of MRI and the medical record does not reveal another source for headache Exclusion Criteria: * Skull defect * Other contraindication to bupivacaine 1. Allergy or adverse reaction (e.g., rash, cardiac effects) to amide anesthetics, such as lidocaine 2. Instruction from clinician to avoid amide anesthetics, such as lidocaine * Pregnant or lack of adequate birth control

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Conditions

The condition(s) this trial relates to.

Brain Injuries, Traumatic Post-Traumatic Headache

As listed by the trial registrant

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

Post-traumatic headache

Contacts and locations

Locations

  • VA Connecticut Healthcare System

    West Haven, Connecticut, 06516, United States

More trials for these conditions

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