Hidden clues on CT: three signs that may pinpoint the nerve behind sciatica pain

NCT ID NCT07690449

First seen Jul 08, 2026 · Last updated Jul 09, 2026 · Updated 1 time

Summary

This study examines whether three specific signs seen on CT scans — nerve-root swelling, tissue infiltration around the nerve, and increased density of the nerve — can identify the exact nerve root causing sciatica. Researchers reviewed planning CT scans from 400 adults with low-back and leg pain who were scheduled for CT-guided steroid injections. If these signs prove reliable, they could help doctors decide where to inject treatment more precisely.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to
If these CT signs reliably point to the painful nerve root, doctors could better target treatments like steroid injections, potentially improving outcomes for people with sciatica.
What could go wrong
This is a small, single-center retrospective study, so results may not apply to all patients. The signs are not yet proven to be accurate or useful in routine care.

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

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for LOW BACK PAIN are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

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.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • CHU NICE

    RECRUITING

    Nice, Alpes Maritimes, 06000, France

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

More trials for these conditions

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