Clinical trial Recruiting at 14 sites Observational Ages 18 and up

International registry for long bone defects after trauma

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

Run by AO Innovation Translation Center · NCT04112992 · Data updated 2026-11-12

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
Ages18 Years and up
SexAll
Enrollment600 (estimated)
SponsorAO Innovation Translation Center
Academic / other
Locations21 sites (Los Angeles, California and 20 other locations)
StatusRecruiting
StartedJuly 3, 2024
Main results expectedMay 31, 2028
Study endsMarch 30, 2029
Registry record updatedAugust 29, 2025
Trial IDNCT04112992 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

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

Probably 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.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

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.

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 gone: 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.

Who can join: the full rules

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 it's running

  • Cedar Sinai
    Los Angeles, California, United States
    Recruiting
  • Sinai Hospital of Baltimore
    Baltimore, Maryland, United States
    Recruiting
  • John Hunter Hospital
    Newcastle, Australia
    Recruiting
  • Hospital Municipal Miguel Couto Serviço de Ortopedia e Traumatologia
    Rio de Janeiro, Brazil
    Recruiting
  • Hospital Base Valdivia
    Valdivia, Chile
    Recruiting
  • Hospital Pablo Tobon Uribe
    Medellín, Colombia
    Recruiting
Show 15 more locations
  • University Hospital Frankfurt
    Frankfurt, Germany
    Recruiting
  • Universitätsspital Gießen
    Giessen, Germany
    Recruiting
  • Universitätsklinikum Münster (Klinik und Poliklinik für Unfall-, Hand- und Wiederherstellungschirurgie)
    Münster, Germany
    Recruiting
  • Paras HMRI Hospital Patna
    Patna, India
    Recruiting
  • Academisch Ziekenhuis Maastricht (Dept. of Surgery)
    Maastricht, Netherlands
    Recruiting
  • Radboud University Medical Center
    Nijmegen, Netherlands
    Recruiting
  • Kyungpook National University Hospital (Orthopaedics)
    Daegu, South Korea
    Recruiting
  • Universitätsspital Zürich (Klinik für Traumatologie)
    Zurich, Switzerland
    Recruiting
  • Hospital Universitario de la Samaritana
    Bogotá, Colombia
    Suspended
  • Universitätsklinikum Heidelberg (Unfallchirurgie)
    Heidelberg, Germany
    Terminated
  • Krankenhaus Johanneum
    Wildeshausen, Germany
    Not yet recruiting
  • Tygerberg Hospital
    Cape Town, South Africa
    Not yet recruiting
  • Central Hospital of Border Guard Service of Ukraine
    Kyiv, Ukraine
    Not yet recruiting
  • Leeds General Infirmary University Hospital (Trauma & Orthopaedic Surgery)
    Leeds, United Kingdom
    Not yet recruiting
  • Hospital Universitario de Caracas
    Caracas, Venezuela
    Not yet recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.