# Three CT Signs of Nerve-root Suffering in Low-back Sciatica: a Study of Their Frequency in Patients Referred for CT-guided Nerve-root Infiltration.

> **NCT07690449** · — · RECRUITING · sponsor: **Centre Hospitalier Universitaire de Nice** · enrollment: 400 (estimated)

## Conditions studied

- Sciatica
- Lumbosacral Radiculopathy
- Low Back Pain

## Interventions

- **DIAGNOSTIC_TEST:** Pre-infiltration lumbar planning CT scan - reading of the three nerve-root signs

## Key facts

- **NCT ID:** NCT07690449
- **Lead sponsor:** Centre Hospitalier Universitaire de Nice
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2024-01-30
- **Primary completion:** 2026-03-04
- **Final completion:** 2026-10-01
- **Target enrollment:** 400 (ESTIMATED)
- **Last updated:** 2026-07-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07690449

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07690449, "Three CT Signs of Nerve-root Suffering in Low-back Sciatica: a Study of Their Frequency in Patients Referred for CT-guided Nerve-root Infiltration.". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07690449. Licensed CC0.

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