The Vertebral Vector in a Horizontal Plane. A Simple Way to See in 3D.

February 5, 2025 updated by: Tamas Illes

The diagnosis and classification of scoliosis are almost exclusively based on frontal and lateral radiographs. Current classifications of adolescent or adult idiopathic degenerative scoliosis are based only on the 2D approach. The classifications consider only the lateral deviation and the sagittal alignment and completely ignore all the changes (the axial vertebral rotation and the lateral translation etc ...) in the horizontal plane.

The demand for an accurate assessment of the vertebral rotation in scoliosis is not new. Biplane x-ray images provide insufficient quantitative or qualitative information on the anatomical landmarks needed to determine axial rotation. Several measurement methods have been published, all of which are based on the evaluation of the relative positions of various posterior vertebral elements. The Perdriolle torsiometer is currently the most accepted method in clinical practice, but its reproducibility is very limited and can not be quantified accurately.The horizontal plane deviations are more accurately evaluated by the CT scan, but the systematic use of this method is limited because of its relatively high cost and excessive radiation dose. Expert opinion is also divided on the veracity and reproducibility of CT scan for such measurements.

Given the absence of a definitive and reproducible measurement method for 3D characterization of the vertebral columnar deformities, the investigators introduced the concept and system of vertebral vectors.The vertebral vector technique is currently the only technique in the world that allows the visualization of vertebral column deformities by analyzing each vertebral body and defining characteristic mathematical and geometric parameters that uniquely characterize each vertebrae. A new digital radioimaging technique based on a low dose X-ray detection technology simultaneously creates frontal and lateral whole body radiographic images captured in a standing position, which is the basis of visualization of the vertebral vector.

To examine the two phenotypes of scoliosis, it is necessary to collect the radiological data specific to the disease. After generating the vertebral vectors and obtaining the three-dimensional coordinates, an analysis and an exact mathematical description will be performed. The projections of the curves in the three planes will also be analyzed, with particular attention to the projections in the horizontal planes. Based on the mathematical models and the axial projection of the curves, a new three-dimensional classification can be imagined for the first time not only for adolescent scoliosis, but also for adult degenerative scoliosis.

The main objective of this study is to develop new evidence-based treatments based on the unambiguous understanding of 3D features of vertebral columnar deformities.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
1500

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Locations

  • Belgium
      • Brussels, Belgium, 1020
        • CHU Brugmann

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Patients with adolescent idiopathic scoliosis or adult degenerative scoliosis, treated or untreated, radiographed with the EOS system

Description

Inclusion Criteria:

Patients with adolescent idiopathic scoliosis or adult degenerative scoliosis, treated or untreated, radiographed with the EOS system

Exclusion Criteria:

None

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Deformities of the spinal column
Patients with adolescent idiopathic scoliosis or adult degenerative scoliosis, treated or untreated.
Other: Medical File data analysis
Analysis of the 2D/3D spine images (performed with the sterEOS software and the MATLAB software)

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
x coordinate of the centroid pedicle
Time Frame: 5 years
Precise spatial localisation of the centroid pedicle, computed with the sterEOS and MATLAB softwares.
5 years
y coordinate of the centroid pedicle
Time Frame: 5 years
Precise spatial localisation of the centroid pedicle, computed with the sterEOS and MATLAB softwares.
5 years
z coordinate of the centroid pedicle
Time Frame: 5 years
Precise spatial localisation of the centroid pedicle, computed with the sterEOS and MATLAB softwares.
5 years
Coordinate of the 'A' point of the vector
Time Frame: 5 years
Spatial coordinate of the initial point of the vector, computed with the sterEOS and MATLAB softwares.
5 years
Coordinate of the 'B' point of the vector
Time Frame: 5 years
Spatial coordinate of the terminal point of the vector, computed with the sterEOS and MATLAB softwares.
5 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Tamas Illes

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Tamas ILLES, MD, CHU Brugmann

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
March 20, 2018

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
November 12, 2024

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
November 12, 2024

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
January 26, 2018

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 26, 2018

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
February 1, 2018

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
March 25, 2025

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
February 5, 2025

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
February 1, 2025

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • CHUB - 3D spine

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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Drug Interventions

Conditions

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Drug Interventions

Dietary Supplements

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