International registry for long bone defects after trauma

An International, Multicenter, Prospective Registry to Investigate Treatment Options and Their Outcomes on Post-traumatic Long Bones Defects

Observational AO Innovation Translation Center · NCT04112992

This study is creating a global database to collect information on patients with long bone injuries from trauma to help improve treatment options and outcomes.

Quick facts

Study typeObservational
Enrollment600 (estimated)
Ages18 Years and up
SexAll
SponsorAO Innovation Translation Center Academic / other
Locations21 sites (Los Angeles, California and 20 other locations)
Trial IDNCT04112992 on ClinicalTrials.gov

What this trial studies

This project aims to establish a multicenter international registry to collect data on patients with long bone defects, primarily post-traumatic. The registry will gather information on the prevalence, current treatment methods, complications, and outcomes associated with these defects. Over a three-year period, the study intends to enroll at least 600 patients from various participating sites, documenting details of surgical interventions and other relevant patient outcomes. The goal is to create a comprehensive database that can inform better treatment strategies for individuals suffering from long bone defects.

Who should consider this trial

Good fit: Ideal candidates include adults aged 18 and older with post-traumatic long bone defects greater than 2 cm.

Not a fit: Patients with severe systemic diseases or those with specific types of bone defects that do not meet the inclusion criteria may not benefit from this registry.

Why it matters

Potential benefit: If successful, this registry could lead to improved treatment recommendations and outcomes for patients with long bone defects.

How similar studies have performed: While there is limited evidence on treatment recommendations for long bone defects, this registry approach is novel and aims to fill a significant gap in clinical knowledge.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥ 18 years
* Skeletally mature
* Post traumatic bone defect \> 2 cm either

  * initially after injury or
  * after surgical debridement
* Informed consent obtained, i.e.:

  * Ability to understand the content of the patient information/ICF
  * Willingness and ability to participate in the clinical investigation according to the registry plan
  * Signed and dated EC/IRB approved written informed consent OR
  * Written consent provided according to the IRB/EC defined and approved procedures for patients who are not able to provide independent written informed consent

Exclusion Criteria:

* Any oblique defect that has less than 8cm expansion when adding the defect size of all four cortices
* Any not medically managed severe systemic disease
* Pregnancy
* Prisoners
* Participation in any other medical device or medicinal product registry within the previous 3 months that could influence the results of the present registry

Where this trial is running

Los Angeles, California and 20 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Limb FractureBone Losslong bone defect
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.