Clinical Evidence Current Studies

Find out more about the 45 studies we are currently running in 40 countries.

Current studies

Short title 

Project title

Principal coordinating investigator

Project ending

Current phase

MRONJ registry

An international, multicenter, prospective registry to collect data of treatment patterns of patients with Medication-Related OsteoNecrosis of the Jaw (MRONJ) and their outcome

Risto Kontion, Sven Otto 

2026

Monitoring

BCFx registry

International, multicenter, prospective registry to collect data of treatment patterns in patients with bilateral condylar fracture (BCFx) of the mandible

Risto Kontio, Edward Ellis 3rd 

2025

Analysis

OFx

International, multicenter, prospective registry to collect data on orbital fractures (OFx), their treatment and outcome

Eppo B Wolvius

2029

Monitoring

TMJ replacements

International, multicenter, prospective registry to collect data of patients treated with alloplastic temporomandibular joint (TMJ) replacements

Andreas Thor

2031

Monitoring

Short title 

Project title

Principal coordinating investigator

Project ending

Current phase

Fracture Monitor

Prospective case series to analyze safety data in femoral and proximal tibial fracture patients treated with a locking compression plate with an attached investigational Fracture Monitor (Fracture Monitor-Femur/Proximal Tibia)

Bendikt Braun

2026

Monitoring

(Image AI) Development of a high quality, annotated data set of proximal femur fractures (31A/31B/31C) to be used for development or testing of AI
Alessandro Aprato
2025 Monitoring

Short title 

Project title

Principal coordinating investigator

Project ending

Current phase

Immpact

Development of performance metrics for cephalomedullary nailing for unstable pertrochanteric fractures- phase 1

Anthony Gallagher

n/a

Analysis

Short title 

Project title

Principal coordinating investigator

Project ending

Current phase

EPOSO

The epidemiology, process and outcomes of spine oncology

Charles Fisher

2024

Publication

SDIM

Spinal deformity intraoperative monitoring: understanding and managing intraoperative neuromonitoring changes during spinal deformity surgery

Stephen Lewis

2023

Analysis

 PEEDS

Prospective evaluation of elderly deformity surgery

Stephen Lewis

2025

Analysis

MTRON

Metastatic tumor research and outcomes network: a multicenter prospective registry for the management of metastatic spine tumors

Charles Fisher

open ended registry

Monitoring

PTRON

Primary tumor research and outcomes network: A multicenter prospective registry for the management of primary tumors of the spine

Jeremy Reynolds

open ended registry

Monitoring

DegenPRO

Spine registry to collect outcome measures related to the disease status of patients with dpine disorders

Tim Yoon

2024

Monitoring

Spine_TL-A3-A4

Thoracolumbar burst fractures (AOSpine A3, A4) in neurologically intact patients: an observational, multicenter cohort study comparing surgical versus non-surgical treatment

Marcel Dvorak

2025

Analysis

SCI POEM

Prognostic factors and therapeutic effects of surgical treatment for traumatic spinal column iInjury with spinal cord injury

Allard Hosman

2025

Publication

INTWIN

Traumatic incomplete tetraplegia without instability: a prospective multicenter feasibility study of outcomes and prognosis

Jefferson R Wilson

2027

Planning

I-SCRIBBLE
Spinal Cord Injury Blood Biomarker Longitudinal Evaluation
Brian K. Kwon
2028 Idea
SMART
Durability of supplementary rod constructs—SuppleMentAry Rod Technique (SMART)—for long-segment posterior instrumented spinal fusion procedures: A multicenter retrospective comparative study with dual-rod constructs
Justin Smith
2027 Planning
TL Ofx
The osteoporotic fracture classification-based scoring system for treatment decision in thoracolumbar osteoporotic fractures: An international multicenter prospective study
Klaus Schnake
2028 Idea

Short title 

Project title

Principal coordinating investigator

Project ending

Current phase

TROLLEY
Evaluation of a growth guiding construct vs. standard dual growing rods and VEPTR for the treatment of early onset scoliosis patients: A prospective multi-center cohort study with a matched historical control.
 
Jean Ouellet, MD, FRCSC
2029 Monitoring
Moticon - HTO

OpenGo Sensor Insole in open wedge HTO

Steffen Schröter

Q2 2024             

Monitoring

PedFemFx

A prospective multicenter observational registry for children up to 16 years of age with femur shaft fractures

Peter Schmittenbecher, Unni Narayanan

2024        

Analysis

FR FNS

A focused registry on the Femoral Neck System (FNS) in patients with femoral neck fractures

Karl Stoffel

2024           

Analysis

EPOCA

A randomized multicenter study comparing the effectiveness of hemi versus total shoulder arthroplasty in patients with a degenerative joint disease

Norbert Suedkamp, Martin Jäger

Q2 2024             

Analysis

PPFx Registry

Multicenter prospective registry for periprosthetic fractures after hip or knee arthroplasty

Karl Stoffel

2028           

Monitoring

VA-LCP Case review
Locking plates for distal femur fractures – a multicenter case review
A retrospective radiological analysis of the mechanical performance of different locking plates in distal femoral fractures             

Mark Lee

2024

Analysis

LoBoDeRe

An international, multicenter, prospective registry to investigate treatment options and their outcomes on Long Bones Defects

Hans-Christoph Pape

2029          

Planning

FROST

Fracture-Related Outcome Study for operatively treated Tibia shaft fractures

Willem-Jan Metsemakers

2027             

Monitoring

SMDR Registry International, multicenter, prospective registry to collect data on treatment, outcome, and complications subsequent to reconstruction of acquired segmental mandibular defects in oral squamous cell carcinoma patients - SMDR (Segmental Mandibular Defect Reconstruction) registry
 
Rüdiger M Zimmerer 2030 Monitoring
MatrixWAVE
An International, Multicenter, Focused Registry to collect clinical data on the MatrixWAVE Mandibulo-Maxillary Fixation System
 
Carl-Peter Cornelius
2025 Monitoring
VA Clavicle Observational case series on the clinical performance of the DePuy Synthes Variable Angle Clavicle Plate and Clavicle Hook Plate 2.7 Systems
 
Simon Lambert 2027
Planning

Short title 

Project title

Principal coordinating investigator

Project ending

Current phase

PPFx Registry

Multicenter prospective registry for periprosthetic fractures after hip or knee arthroplasty

Karl Stoffel

2023

Monitoring

CPP Patient Outcome Project I

Clinical Priority Program (CPP) Patient Outcome Project I:
Translation, Cultural Adaptation and Cognitive Debriefing of Extension Items of PROMIS Physical Function item bank V2.0 in German and Spanish

Marilyn Heng, Claudia Hartmann

2024

Publication

CPP Patient Outcome Project II

Clinical Priority Program (CPP Patient Outcome Project II:
GO FIT FAST - Gait Observation for Fully Individualized Treatment and Aftercare following Surgery and Trauma

Tim Pohlemann, Benedikt Braun

2029

Monitoring

CPP Patient Outcome Project III

Clinical Priority Program (CPP) Patient Outcome Project III:
Development of interpretation guidance for clinicians to better understand meaning of PROMIS scores

Prakash Jayakumar, Marilyn Heng, Stephen Gwilym

2029

Monitoring

CPP Patient Outcome Project IV

Clinical Priority Program (CPP) Patient Outcome Project IV:
Linking of PROMIS Physical Function to Legacy Measures in an Orthopaedic Patient Population

Marilyn Heng (center 1),
Tim Pohlemann, Benedikt Braun (Center 2), Prakash Jayakumar (Center 3)

2029

Monitoring

AOFFP Fragility Fractures of the Pelvis: Observational Outcome Study Pol Maria Rommens 2029 Monitoring
PedOrtho A prospective multicenter observational registry of pediatric orthopedic trauma and health outcomes in skeletally immature children Kishore Mulpuri 2028 Monitoring
(COSTA 2) Two-stage development of a Core Outcome Set for distal tibia and ankle fractures. COSTA 2, the second stage, seeks to identify the best suitable outcome measurement systems attributed to the defined core domain sets Kirstie Haywood 2025 Planning