# A Biomechanical Assessment of the AST Stabilimax BAR Using Radiostereometric Analysis (RSA)

> **NCT00634465** · — · WITHDRAWN · sponsor: **State University of New York - Upstate Medical University**

## Conditions studied

- Assess Motion in Flexion/Extension and Lateral Bending of the Lumbar Vertebrae in Vivo Following Motion Sparing Surgery Using Radiostereometric Analysis (RSA.)

## Interventions

- **DEVICE:** RSA Beads

## Key facts

- **NCT ID:** NCT00634465
- **Lead sponsor:** State University of New York - Upstate Medical University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2006-10
- **Primary completion:** 2008-10
- **Final completion:** 2008-10
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** low enrollment
- **Last updated:** 2015-05-25


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00634465

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00634465, "A Biomechanical Assessment of the AST Stabilimax BAR Using Radiostereometric Analysis (RSA)". Retrieved via AI Analytics 2026-07-17 from https://api.ai-analytics.org/clinical/NCT00634465. Licensed CC0.

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