# Prospective, Multicenter, Case-Control Analysis of the VersaTie Posterior Fixation System to Prevent Proximal Junctional Failure in Long Posterior Spinal Fusion Constructs for Adult Patients

> **NCT04888104** · — · RECRUITING · sponsor: **International Spine Study Group Foundation** · enrollment: 225 (estimated)

## Conditions studied

- Adult Spinal Deformity
- Scoliosis
- Kyphosis

## Interventions

- **PROCEDURE:** Index or revision spine surgery for complex adult spinal deformity

## Key facts

- **NCT ID:** NCT04888104
- **Lead sponsor:** International Spine Study Group Foundation
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2021-07-09
- **Primary completion:** 2031-12-31
- **Final completion:** 2034-12-31
- **Target enrollment:** 225 (ESTIMATED)
- **Last updated:** 2026-02-17

## Collaborators

- NuVasive

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04888104

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04888104, "Prospective, Multicenter, Case-Control Analysis of the VersaTie Posterior Fixation System to Prevent Proximal Junctional Failure in Long Posterior Spinal Fusion Constructs for Adult Patients". Retrieved via AI Analytics 2026-07-21 from https://api.ai-analytics.org/clinical/NCT04888104. Licensed CC0.

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