- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03427112
Assessment of the Surgical Handling and Performance of the X-ray-based Tracking and Navigation System "Xin1 Humerus System" Evaluated From 10 Proximal Humerus Plate Fixations
Clinical Validation of the Xin1 Humerus System
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Treatment of fragility fractures at the proximal Humerus still remains a major challenge in trauma surgery. Several factors such as highly compromised bone mass, complex loading conditions, multi-fragment fractures, absent bony support and limited surgical access render the fixation particularly complex. Especially in elderly osteoporotic patients, implant position and fixation plays a key role for a successful outcome. Nowadays, complication rates of plate and screw fixation systems in the proximal Humerus region under complex fracture patterns are reported to range between 28% and 79%. A significant portion of these cases can be attributed to implant mal-placement. Particularly, when screws are too short and the subchondral bone stock is missed out, screw anchorage is significantly compromised. On the other hand, if screws are too long they might penetrate into the joint with devastating consequences. Adequate selection of screw length is hence of utmost importance. However, the particular anatomical situation challenges the determination procedure which results in prolonged operational time and increased X-ray exposure. New strategies are needed to simply, reliably and accurately fix proximal humeral fractures with plate-screw constructs. Xin1 is an X-ray-based tracking and navigation system designed to simplify a variety of surgical applications. For the Humerus application the position in space of the proximal Humerus plate is calculated in such manner, which then can be related to the position of the humeral head as derived from an image pair. All required proximal screw lengths are determined from these two radiographs. From ex-vivo evaluation the Xin1 Humerus System has proven its value in terms of accuracy increase as well as time and X-ray reduction. A clear potential for improving clinical practice is therefore apparent. The consequent next step is a first clinical phase verifying the basic function of the Xin1 system in a clinical context and investigating the surgical handling in a hospital environment.
This clinical trial aims to
- validate the Xin1 Humerus system performance in a clinical context.
- test the surgical handling of the Xin1 marker in a hospital environment.
There is no additional time effort required from the patient. All capacitated adults having sustained a proximal humerus fracture indicated for plate fixation osteosynthesis can be included in the study. The study is limited to 10 patients and 1 year. To minimize the patient risk it is suggested in this first study phase to entirely eliminate the system feedback to the surgeon during surgery. The system performance is evaluated retrospectively by post-processing X-ray images after surgery. The Xin1 system used during surgery is thereby reduced to the Xin1 marker clip (REF 100838-00) only.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Leuven, Belgium, 3000
- UZ Leuven campus Gasthuisberg
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Age 18 years and older
- Diagnosis of proximal humerus fracture
- Indicated for plate fixation osteosynthesis
- Informed consent obtained
Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Only
- Time Perspectives: Cross-Sectional
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Influence of plate fixation on the determined screw lengths derived from the Xin1 Humerus System
Time Frame: during surgery
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Xin1 Humerus System:
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during surgery
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Treatment information
Time Frame: during surgery
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during surgery
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Patient information
Time Frame: Preoperative
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Preoperative
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System information
Time Frame: during surgery
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• Accuracy estimation of the Xin1 Humerus System in terms of screw length prediction in the humeral head.
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during surgery
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Stefaan Nijs, Prof., UZ Leuven campus Gasthuisberg
Publications and helpful links
General Publications
- Voigt C, Woltmann A, Partenheimer A, Lill H. [Management of complications after angularly stable locking proximal humerus plate fixation]. Chirurg. 2007 Jan;78(1):40-6. doi: 10.1007/s00104-006-1241-0. German.
- Solberg BD, Moon CN, Franco DP, Paiement GD. Locked plating of 3- and 4-part proximal humerus fractures in older patients: the effect of initial fracture pattern on outcome. J Orthop Trauma. 2009 Feb;23(2):113-9. doi: 10.1097/BOT.0b013e31819344bf.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Xin1Humerus
- 80M0661 (Other Identifier: FAGG (Federal agency for medicines and health products, Brussels, Belgium))
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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