Controlled Reduction of AO Spine B3 Fractures in Ankylosing Spinal Disorders Using an Inflatable Positioning Device: Technical Note and Retrospective Single-centre Case Series

September 23, 2026 updated by: Diakonie-Klinikum Stuttgart

Controlled Reduction of Thoracolumbar AO Spine B3 Fractures in Ankylosing Spinal Disorders Using an Inflatable Positioning Device: Technical Note and Retrospective Single-centre Case Series

Retrospective observational

Study Overview

Status

Not yet recruiting

Conditions

Detailed Description

Retrospective observational study of B3 spine fractures

Study Type

Observational

Enrollment (Estimated)

23

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

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

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients with ankylozing spondylitis and B3 spine fractures

Description

Inclusion Criteria:

  • Patients were eligible if they were aged 18 years or older
  • Had a documented diagnosis of ankylosing spondylitis
  • Had an imaging-confirmed AO Spine B3 fracture,
  • Underwent posterior instrumented stabilization.

Exclusion Criteria:

  • Patients managed non-operatively
  • Patients with spondylodiscitis, primary or metastatic neoplasia, or congenital spinal anomalies were excluded.
  • Patients with insufficient data for the predefined variables or without follow-up to the primary endpoint were excluded

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

  • Observational Models: CASE_ONLY
  • Time Perspectives: RETROSPECTIVE

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Complications
Time Frame: 12 months

Clavien-Dindo classification for complications
12 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Hardware related complications
Time Frame: 12 months

Complications like screw losening, screw fracture, etc
12 months

Collaborators and Investigators

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

Sponsor

Diakonie-Klinikum Stuttgart

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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 (Estimated)

September 20, 2026

Primary Completion (Actual)

September 20, 2026

Study Completion (Estimated)

September 20, 2026

Study Registration Dates

First Submitted

September 23, 2026

First Submitted That Met QC Criteria

September 23, 2026

First Posted (Actual)

September 29, 2026

Study Record Updates

Last Update Posted (Actual)

September 29, 2026

Last Update Submitted That Met QC Criteria

September 23, 2026

Last Verified

September 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • IRB_03_2026 and IRB_005_2026

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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