# Comparative Study of Anterior vs. Posterior Surgical Treatment for Lumbar Isthmic Spondylolisthesis

> **NCT02564705** · — · COMPLETED · sponsor: **AOSpine North America Research Network** · enrollment: 177 (actual)

## Conditions studied

- Isthmic Spondylolisthesis

## Interventions

- **PROCEDURE:** Anterior Lumbar Interbody Fusion (ALIF)
- **PROCEDURE:** Posterior Fusion

## Key facts

- **NCT ID:** NCT02564705
- **Lead sponsor:** AOSpine North America Research Network
- **Sponsor class:** NETWORK
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2016-03
- **Primary completion:** 2023-05-05
- **Final completion:** 2023-05-05
- **Target enrollment:** 177 (ACTUAL)
- **Last updated:** 2023-05-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02564705

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02564705, "Comparative Study of Anterior vs. Posterior Surgical Treatment for Lumbar Isthmic Spondylolisthesis". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT02564705. Licensed CC0.

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