# Instr. vs. Non-instr. Posterolateral Spinal Fusion in Patients With Spinal Stenosis and Degenerative Listhesis

> **NCT04166981** · NA · COMPLETED · sponsor: **Spine Centre of Southern Denmark** · enrollment: 104 (actual)

## Conditions studied

- Spinal Stenosis
- Spondylolisthesis Degenerative
- Spinal Fusion

## Interventions

- **PROCEDURE:** Instrumented posterolateral spine fusion.
- **PROCEDURE:** Non-instrumented posterolateral spine fusion.

## Key facts

- **NCT ID:** NCT04166981
- **Lead sponsor:** Spine Centre of Southern Denmark
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-01-01
- **Primary completion:** 2021-12-01
- **Final completion:** 2021-12-01
- **Target enrollment:** 104 (ACTUAL)
- **Last updated:** 2022-03-31


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04166981

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04166981, "Instr. vs. Non-instr. Posterolateral Spinal Fusion in Patients With Spinal Stenosis and Degenerative Listhesis". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04166981. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*