New ER procedure could ease sciatica pain in minutes
NCT ID NCT07397117
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares a targeted nerve block injection to usual pain treatment for people with sudden sciatica in the emergency department. About 100 adults will be randomly assigned to receive either the nerve block or standard care. Researchers will measure pain levels and walking ability to see which approach works better.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Jan 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Adults aged 18 years and older * Presentation to ED with: * Acute or acute-on-chronic pain consistent with sciatica, defined as unilateral lumbosacral radicular pain radiating from the lower back or gluteal region to the posterior leg, may extend distal to the knee. * Pain score ≥ 5/10 on Numeric Rating Scale (NRS) Exclusion Criteria: * Known allergy to study medications (e.g., local anesthetics) * Coagulopathy or current anticoagulation therapy * Suspected or confirmed spinal infection, or tumor * Neurological deficits (bowel or bladder dysfunction, leg weakness) * Inability to provide informed consent
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of California, San Francisco
RECRUITINGSan Francisco, California, 94107, United States
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