Uppsala Study on Odontoid Fracture Treatment in the Elderly

NCT ID: NCT02789774

Last Updated: 2024-03-12

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-02-29

Study Completion Date

2024-06-30

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

A multicenter randomized controlled trial is performed in Sweden (Uppsala, Malmo and Stockholm) comparing surgery with posterior C1-C2 fusion and conservative treatment with a rigid collar. Follow up will be performed up to one year after start of treatment registering EQ5D, NDI and cervical CT scans. Mortality will be documented during follow-up. All direct and indirect costs of treatment will be registered and used for cost-effectiveness analysis.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

50 patients, based on the following calculation of study size: The standard deviation for Neck Disability index, NDI, is just under 7, while "minimally clinical important difference" (MCID) is 7 points . That gives that 16 patients are needed in each group to get 80% power with a significance level of 5%. However, in the studied population the one year mortality rate is substantial, especially after a neck injury . In order to be able to draw conclusions from the study the investigators have elected to expand the study to 25 subjects in each group.

Follow up: 1w, 6w, 3m, 1y with CT, Questionaires: NDI, EQ5D. Bone density measurement at injury. Extension flexion x-ray after 1 year.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Spinal Fractures

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Surgical treatment

Stabilization of odontoid fracture with posterior fusion C1-C2

Group Type EXPERIMENTAL

Posterior fusion C1-C2

Intervention Type PROCEDURE

Posterior access and screws in C1 (atlas) and C2 (axis) and fusion with addition of iliac crest bone graft. No postoperative collar.

Conservative treatment

External stabilization of odontoid fracture with a rigid cervical collar for 3 months.

Group Type ACTIVE_COMPARATOR

Rigid cervical collar

Intervention Type PROCEDURE

External immobilization of cervical spine in a rigid collar for 12 weeks.

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Posterior fusion C1-C2

Posterior access and screws in C1 (atlas) and C2 (axis) and fusion with addition of iliac crest bone graft. No postoperative collar.

Intervention Type PROCEDURE

Rigid cervical collar

External immobilization of cervical spine in a rigid collar for 12 weeks.

Intervention Type PROCEDURE

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

Posterior atlantoaxial fusion cervical orthosis

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Acute displaced odontoid fracture type II according to Anderson and D'Alonzo, age 75 years or older. Displacement defined as 4 mm anterior translator displacement, any posterior translator displacement, or 10 degrees of angulation.

Exclusion Criteria

* Any contraindication to surgery, anesthesia class ASA 4 or higher (Saklad 1941), severe senile dementia (defined as being admitted to a nursing home or hospital because of the dementia), anatomical or other prerequisites that makes an operation unsuitable.
Minimum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Uppsala University

OTHER

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Anna-Lena Robinson, MD

Role: PRINCIPAL_INVESTIGATOR

Uppsala University Hospital

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Uppsala University Hospital

Uppsala, Uppsala County, Sweden

Site Status

Malmö University Hospital

Malmo, , Sweden

Site Status

Countries

Review the countries where the study has at least one active or historical site.

Sweden

References

Explore related publications, articles, or registry entries linked to this study.

Kose et al. 2007

Reference Type BACKGROUND

Olerud et al. 1999

Reference Type BACKGROUND

Robinson AL, Schmeiser G, Robinson Y, Olerud C. Surgical vs. non-surgical management of displaced type-2 odontoid fractures in patients aged 75 years and older: study protocol for a randomised controlled trial. Trials. 2018 Aug 22;19(1):452. doi: 10.1186/s13063-018-2690-8.

Reference Type DERIVED
PMID: 30134944 (View on PubMed)

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

USOFT

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

PTH Analog Type II Odontoid Fracture
NCT04760782 TERMINATED PHASE2
Non Randomized Humerusshaft Fracture
NCT00205972 COMPLETED PHASE4