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CompletedNCT02800278FOOPUpdated Jun 16, 2026

Characteristics and Outcomes of Odontoid Fragility Fractures in Elderly

An observational study in Odontoid Fracture, Osteoporosis and Surgery, sponsored by Centre Hospitalier Universitaire de Nice. Completed at 1 site in France. Open to participants aged 65 Years and older. Per ClinicalTrials.gov, last updated 2026-06-16.

Sponsored by Centre Hospitalier Universitaire de Nice · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
30
Ages
65 Years and older
Sex
All
01

Study summary

Usually, cervical spine fractures are not considered as osteoporotic fractures. However, recent studies show that odontoid fractures are the most common fractures of the cervical spine in elderly and may occur in a context of low trauma energy. Thus, the goal of this observationnal study is :

  • to describe the different type of odontoid fracture and to characterize bone status in elderly patient (>65 y) who underwent odontoid fracture in a context of low trauma energy.
  • To describe short and long term outcomes
Read the detailed description

All patients over 65 y admitted for low trauma odontoid fracture will be consecutively included in the study after informed consent. The investigators will record:

  • clinical risk factor of osteoporosis and health habits including accomodation
  • type of fracture and characterization of the odontoid fracture on imaging (standard X ray / MRI / QCT)
  • Bone status : bone mineral density on DXA, lab tests for secondary osteoporosis check-up, previous vertebral fracture on VFA or X ray
  • osteoporosis managment : nutrition, vitamin D, anti-osteoporotic drugs
  • treatment of the fracture : surgical / non surgical
  • adverse event during hospitalization
  • lenght of hospital stay
  • type of discharge

Follow-up à 3 and 12 months : dead vs alive ; accomodation ; autonomy ; new fracture

02

Conditions studied

  • Odontoid Fracture
  • Osteoporosis
  • Surgery

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03

In context

Osteoporosis

1,640 studies on the registry are indexed under Osteoporosis; 212 are open to participants now.

This study's enrollment of 30 is below the median of 174 across 446 observational studies indexed under Osteoporosis.

Browse Osteoporosis studies →

Lead sponsor

Centre Hospitalier Universitaire de Nice is the lead sponsor of 709 studies on the registry; 176 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
65 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

all patients over 65 y admitted for low traumat odontoid fracture

Inclusion criteria

  • all patients over 65 y admitted for low traumat odontoid fracture

Exclusion criteria

Exclusion Criteria:

  • patient \< 65 y
  • traumatic odontoid fracture
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
30 participants (actual)
Patient registry
No

Interventions

  • Otherobservational

    describe bone status and outcome of odontoid fracture

06

What researchers measure

Primary outcomes

  1. bone status at the time of odontoid fracture: bone mineral density, prevalent osteoporotic fracture, vitamin D status

    clinical risk factor of osteoporosis, prevalent clinical osteoporotic fracture, bone mineral density measured by DXA, vertebral fracture assessment to detect other vertebral fracture, serum concentration in 25OHvitamin D

    Time frame: from date of inclusion until to 3 weeks after the event. Inclusion will be proposed within 2 weeks after the fracture

Secondary outcomes

  1. mortality

    mortality after odontoid fracture during hospitalization and at 3 and 12 monts

    Time frame: during hospitalization - 3 and 12 months after inclusion

  2. morbidity

    incident osteoporotic fracture, adverse event such as infection, cardiovascular event, neurological event

    Time frame: during hospitalization - 3 and 12 months after inclusion

  3. loss of autonomy

    lenght of hospital stay, type of discharge (home, nursing home, rehabilitation bed care, institutionalized accomodation

    Time frame: discharge, 3 and 12 months

07

Study locations

1 site
  • CHU
    Nice, 06000, France
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 16, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT02800278
Lead sponsor
Centre Hospitalier Universitaire de Nice
Responsible party
Sponsor
First posted
Jun 15, 2016
Start date
Jan 2016
Primary completion
Jan 2018
Completion
Dec 31, 2018
Last update
Jun 16, 2026

Study contacts

veronique breuil, MD, PhD
principal investigator · Centre Hospitalier Universitaire de Nice

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jun 2016. You cannot join it, but the record below documents what was studied.

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