# Preventive Effect of Limited Decompression on Adjacent Segment Following Posterior Lumbar Interbody Fusion

> **NCT04469387** · NA · RECRUITING · sponsor: **Peking University Third Hospital** · enrollment: 200 (estimated)

## Conditions studied

- Degenerative Lumbar Spinal Stenosis
- Degenerative Disc Disease
- Degeneration Spine

## Interventions

- **PROCEDURE:** Limited decompressions at adjacent segment with asymptomatic pre-existing spinal canal stenosis
- **PROCEDURE:** Responsible segments fused

## Key facts

- **NCT ID:** NCT04469387
- **Lead sponsor:** Peking University Third Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2020-09-01
- **Primary completion:** 2022-08-01
- **Final completion:** 2032-08-01
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2020-09-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04469387

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04469387, "Preventive Effect of Limited Decompression on Adjacent Segment Following Posterior Lumbar Interbody Fusion". Retrieved via AI Analytics 2026-05-31 from https://api.ai-analytics.org/clinical/NCT04469387. Licensed CC0.

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