# The Lumbar Adjacent Segment Stenosis Trial

> **NCT07670533** · NA · NOT_YET_RECRUITING · sponsor: **Oslo University Hospital** · enrollment: 192 (estimated)

## Conditions studied

- Lumbar Adjacent Spinal Stenosis
- Chronic Low Back and Leg Pain

## Interventions

- **PROCEDURE:** Decompression alone
- **PROCEDURE:** Decompression with extended fusion

## Key facts

- **NCT ID:** NCT07670533
- **Lead sponsor:** Oslo University Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-08
- **Primary completion:** 2032-08
- **Final completion:** 2032-10
- **Target enrollment:** 192 (ESTIMATED)
- **Last updated:** 2026-06-26

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07670533

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07670533, "The Lumbar Adjacent Segment Stenosis Trial". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07670533. Licensed CC0.

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