# Instability in the Lumbar Spine of Patients With Age Related Changes and Narrowing of the Spinal Canal (Spinal Stenosis)

> **NCT04406987** · — · COMPLETED · sponsor: **Spine Centre of Southern Denmark** · enrollment: 235 (actual)

## Conditions studied

- Degenerative Lumbar Spinal Stenosis
- Degenerative Spondylolisthesis

## Interventions

- **PROCEDURE:** decompression
- **PROCEDURE:** fusion

## Key facts

- **NCT ID:** NCT04406987
- **Lead sponsor:** Spine Centre of Southern Denmark
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-06-30
- **Primary completion:** 2021-12-05
- **Final completion:** 2021-12-10
- **Target enrollment:** 235 (ACTUAL)
- **Last updated:** 2021-12-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04406987

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04406987, "Instability in the Lumbar Spine of Patients With Age Related Changes and Narrowing of the Spinal Canal (Spinal Stenosis)". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04406987. Licensed CC0.

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