# Decompression Versus Decompression and Fusion

> **NCT04542720** · — · RECRUITING · sponsor: **Massachusetts General Hospital** · enrollment: 96 (estimated)

## Conditions studied

- Adjacent Segment Disease

## Interventions

- **PROCEDURE:** Observational: Decompression
- **PROCEDURE:** Observational: Extension Fusion

## Key facts

- **NCT ID:** NCT04542720
- **Lead sponsor:** Massachusetts General Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2020-09-01
- **Primary completion:** 2027-09
- **Final completion:** 2027-09
- **Target enrollment:** 96 (ESTIMATED)
- **Last updated:** 2025-11-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04542720

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04542720, "Decompression Versus Decompression and Fusion". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT04542720. Licensed CC0.

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