# Effect of the Posterior Ligamentous Complex on the Adjacent Segments Degeneration After Lumbar Surgery

> **NCT04946487** · — · UNKNOWN · sponsor: **Peking University Third Hospital** · enrollment: 80 (estimated)

## Conditions studied

- Lumbar Spinal Stenosis

## Interventions

- **PROCEDURE:** total laminectomy

## Key facts

- **NCT ID:** NCT04946487
- **Lead sponsor:** Peking University Third Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-07-01
- **Primary completion:** 2022-12-30
- **Final completion:** 2022-12-30
- **Target enrollment:** 80 (ESTIMATED)
- **Last updated:** 2021-06-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04946487

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04946487, "Effect of the Posterior Ligamentous Complex on the Adjacent Segments Degeneration After Lumbar Surgery". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04946487. Licensed CC0.

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