# Effect of Degenerative Spondylolisthesis on the Clinical Outcome of Unilateral Biportal Endoscopy for Lumbar Spinal Stenosis: Study Protocol

> **NCT06394089** · — · RECRUITING · sponsor: **Beijing Friendship Hospital** · enrollment: 150 (estimated)

## Conditions studied

- Degenerative Spondylolisthesis
- Lumbar Spinal Stenosis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT06394089
- **Lead sponsor:** Beijing Friendship Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2024-03-01
- **Primary completion:** 2027-02-28
- **Final completion:** 2027-02-28
- **Target enrollment:** 150 (ESTIMATED)
- **Last updated:** 2025-06-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06394089

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06394089, "Effect of Degenerative Spondylolisthesis on the Clinical Outcome of Unilateral Biportal Endoscopy for Lumbar Spinal Stenosis: Study Protocol". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT06394089. Licensed CC0.

---

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