Safety Study of the Fracture Monitor T1 Device in Adults with Femur Fractures Treated with Locking Compression Plates
Led by AO Innovation Translation Center · Updated on 2025-02-03
37
Participants Needed
4
Research Sites
39 weeks
Total Duration
AI-Summary
What this Trial Is About
Researchers are evaluating the safety and performance of the Fracture Monitor T1, an implantable device used in patients with femoral fractures treated with locking compression plates. This prospective interventional study involves 37 patients who will be monitored to collect safety data and assess device handling and usability. The study aims to provide important clinical evaluation data for regulatory approval and improved fracture treatment monitoring.
During surgery, the Fracture Monitor T1 device will be attached to the locking plate used for femoral fracture fixation. Before hospital discharge, the device will be connected to a smartphone app, either on the patients phone or one provided by the sponsor. The device continuously collects data sent via Bluetooth to an encrypted cloud server. The app will have a basic interface without data visualization, and neither patients nor surgeons will access the data during rehabilitation to avoid influencing treatment decisions.
Participants will be followed for 6 months after surgery as per standard care, including monitoring of adverse events and device performance measures related to implant load and bone healing. If device removal occurs after 6 months, an additional safety follow-up will be conducted. The study includes clinical assessments, patient-reported outcomes, and radiographic scores, with all data compiled into a clinical evaluation report.
CONDITIONS
Brief Title
Fracture Monitor - Femur
Research Team
V
Viola Grünenfelder
A
Aleksandra Vidakovic
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Femoral fracture requiring osteosynthesis with one of specified locking plates
ASA score 1-3
Full weight-bearing capacity prior to the injury
Capable of postoperative weight bearing of at least 15 kg
Willingness to undergo additional surgery to remove the Fracture Monitor T1 if not removed with fixation plate within two years
Ability to provide written informed consent
You will not qualify if you...
Concomitant fractures in the opposite leg
Electromagnetic hypersensitivity
Implanted electromagnetic bone stimulators
Pregnancy
Prisoner status
Known history of substance abuse affecting assessments
Participation in other medical device or drug study within previous month
Use of compression lag screw across fracture fragment
Compression osteosynthesis
Precontouring of implant at Fracture Monitor attachment area
Double-plating technique
Soft-tissue coverage more than 6 cm above the data logger
Concurrent use of intramedullary nail
Need for MRI or shockwave therapy near Fracture Monitor T1
Nonfunctional Fracture Monitor T1 device without replacement implant available
Your Study Journey
Screening
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Surgery and Immediate Post-operative Care
Duration - Surgery day and immediate recovery period
Participants undergo femoral fracture fixation using a locking compression plate with an attached investigational Fracture Monitor T1 device.
1 visit (surgery and hospitalization)
Post-operative Follow-up
Duration - 6 months
Participants are monitored for safety and clinical performance of the Fracture Monitor device including implant load and bone healing for 6 months after surgery.
Approximately 6 post-operative visits
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NA
Model
SINGLE_GROUP
Primary Purpose
TREATMENT
Number of Arms
1
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Published Research Related To This Trial
Prospective first-in-human clinical investigation to evaluate the safety of the fracture monitor T1 in patients with femur fractures treated with a locking compression plate: a study protocol.
Benedikt J Braun, Michael J Raschke, Konrad Schütze...