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 type | Observational |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 600 (estimated) |
| Sponsor | AO Innovation Translation Center Academic / other |
| Locations | 21 sites (Los Angeles, California and 20 other locations) |
| Status | Recruiting |
| Started | July 3, 2024 |
| Main results expected | May 31, 2028 |
| Study ends | March 30, 2029 |
| Registry record updated | August 29, 2025 |
| Trial ID | NCT04112992 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
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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
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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
- Principal investigator: Hans-Christoph Pape, MD — University Hospital Zurich Department of Trauma Surgery
- Study coordinator: Marco Minoia
- Email: marco.minoia@aofoundation.org
- Phone: +41 79 612 09 67
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.