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Recruiting NCT04888104

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

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Clinical Trial Summary
NCT ID NCT04888104
Status Recruiting
Phase —
Sponsor International Spine Study Group Foundation
Condition Adult Spinal Deformity
Study Type OBSERVATIONAL
Enrollment 225 participants
Start Date 2021-07-09
Primary Completion 2031-12-31

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age N/A
Study Type OBSERVATIONAL
Interventions
Index or revision spine surgery for complex adult spinal deformity

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

This is an observational study. You will not receive an experimental treatment; researchers will collect data based on your existing condition or standard treatment.

This trial targets 225 participants in total. It began in 2021-07-09 with a primary completion date of 2031-12-31.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

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

Eligibility Criteria

Inclusion Criteria: 1. \>18 years of age at the time of treatment 2. EOS full body or standing 36" AP \& Lateral images of entire spine 3. Posterior spine fusion with pedicle screw fixation construct of 5 or more levels 4. Pedicle screw fixation to be supplemented proximally with NuVasive VersaTie system 5. Upper instrumented vertebra (UIV) terminating at a newly instrumented level 6. Lowest instrumented vertebra (LIV) sacrum/pelvis 7. Surgery scheduled to take place in the next 6 months Exclusion Criteria: 1. Active spine tumor or infection 2. Deformity due to acute trauma 3. Prisoners 4. Women who are pregnant 5. Patient is unwilling or unable to complete questionnaires

Contact & Investigator

Central Contact

Christine Baldus, MH

✉ baldusc@wustl.edu

📞 6184444130

Principal Investigator

Shay Bess, MD

PRINCIPAL INVESTIGATOR

Presbyterian/St Luke's Medical Center

Frequently Asked Questions

Who can join the NCT04888104 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, studying Adult Spinal Deformity. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT04888104 currently recruiting?

Yes, NCT04888104 is actively recruiting participants. Contact the research team at baldusc@wustl.edu for enrollment information.

Where is the NCT04888104 trial being conducted?

This trial is being conducted at Phoenix, United States, La Jolla, United States, San Francisco, United States, Denver, United States and 5 additional locations.

Who is sponsoring the NCT04888104 clinical trial?

NCT04888104 is sponsored by International Spine Study Group Foundation. The principal investigator is Shay Bess, MD at Presbyterian/St Luke's Medical Center. The trial plans to enroll 225 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: November 2026  ·  Data Methodology