Clinical trialNCT04888104RecruitingObservational

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

SponsorInternational Spine Study Group FoundationEnrollment225Adult Spinal DeformityKyphosisScoliosis

View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

Christopher Shaffrey, MD
Duke University Medical Center, Section of Spine Surgery
Principal Investigator
clinicaltrials.gov ↗
Jeffrey Mullin, MD
University at Buffalo, Department of Neurosurgery
Principal Investigator
clinicaltrials.gov ↗
Justin Smith, MD
University of Virginia Medical Center, Department of Neurosurgery
Principal Investigator
clinicaltrials.gov ↗
Shay Bess, MD
Presbyterian/St Luke's Medical Center
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

9 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

Barrow Neurological Institute
Phoenix, Arizona, United States
Jay Turner, MD
Recruiting
Shiley Center for Orthopaedic Research and Education at Scripps Clinic
La Jolla, California, United States
Gregory Mundis, MDRobert Eastlack, MD
Recruiting
University of California - San Francisco
San Francisco, California, United States
Withdrawn
Presbyterian/st. Luke'S Medical Center
Denver, Colorado, United States
Shay Bess
Recruiting
Louisiana Spine Institute
Shreveport, Louisiana, United States
Pierce Nunley, MD
Recruiting
University at Buffalo, Department of Neurosurgery
Buffalo, New York, United States
Jeffrey Mullin, MD
Recruiting
New York University, Department of Orthopedic Surgery
New York, New York, United States
Themistocles Protopsaltis, MD
Recruiting
Duke University Health System
Durham, North Carolina, United States
Christopher I Shaffrey, MD
Not, yet, recruiting
University of Virginia
Charlottesville, Virginia, United States
Justin Smith, MD
Recruiting

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 9 Jul 2021
Primary completion: 31 Dec 2031
Completion: 31 Dec 2034
Last update posted: 17 Feb 2026
Registered enrollment: 225
Registry id: NCT04888104

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.