- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05773261
Clinical Investigation Comparing Two Different Ultra-porous Coated Surfaces of Uncemented Cups
Modern Surfaces of the Uncemented Cup in Total Hip Arthroplasty: A Randomized, Clinical Investigation Comparing Two Different Ultra-porous Coated Surfaces of Uncemented Cups Using CT-based Micromotion Analysis and Clinical Evaluation
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The purpose of this study is to evaluate the clinical outcome and long-term risk of development of osteolysis of a newly introduced cementless press-fit acetabular cup, consisting of a shell with a 3D surface structure and a highly cross-linked liner by precise measurement of early migration and wear.
Migration describes the movement between the implant and the surrounding bone over time. Early migration of the implant, within 2 years after operation, has shown to be a strong predictor for increased risk for late failure. Thus, high precision migration studies can be used to evaluate the performance of new implants in small groups of patients with a relatively short observation time. Wear particles are one of the main causes of periprosthetic osteolysis. Although modern, more wear resistant materials, appears to have a greatly reduced risk of osteolysis, the desired complete elimination of osteolysis appears to be yet unachieved. It is most likely that the mechanism of periprosthetic osteolysis is multifactorial.
In this study the investigators plan to include 70 patients that are planned for operation with an uncemented total hip arthroplasty. 35 patients will be randomized to receive the new implant and 35 patients will be included in the control group and receive a standard uncemented prosthesis. All patients will then be followed with CT scans and patient reported outcome measures 3-month, 1 year, 2 years, 5 years and 15 years after the operations. The CT scans will be used both for measurement of migration and wear and development of osteolysis around the implant.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Västerbotten
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Umeå, Västerbotten, Sweden, 907 37
- Volker Otten
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients are foreseen for implantation of an uncemented acetabular press-fit cup and an uncemented stem
- Age 30-70 years
- Primary osteoarthritis of the hip
- Body Mass Index between 18 and 35 kg/m2
- Willingness and ability to follow clinical investigation protocol
Exclusion Criteria:
- Grossly abnormal hip anatomy (hip dysplasia, Crowe Grade 2 or above, Perthes or other causes)
- Osteoporosis
- Paget's disease
- Inflammatory arthritis
- Secondary osteoarthritis
- Presence of malignancy in the area of surgery
- Treatment with bisphosphonates, cortisol or cytostatic drugs 6 months or less prior to surgery
- Previous surgery in the affected hip
- Inclusion of the contralateral hip in this clinical investigation
- Not suited for the clinical investigation for other reason (surgeon's judgment)
- Pregnant or breastfeeding women
- Prison inmate
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: MobilLINK TrabecuLINK cup
The investigational device in this study is the newly developed MobilLINK TrabecuLINK cup. It will in this study be combined with a uncemented LCU stem. The MobilLINK TrabecuLINK cups are made from Tilastan, a Ti6A4V alloy. The MobileLINK press-fit shells are hemispheric and polar flattened. An equatorial press-fit is built into the shells for primary stability after cementless implantation. All shells have a polar hole, which is used to connect an impactor handle for implantation of the shell. This polar hole can be closed with a polar screw. The MobileLINK TrabecuLINK shells have a 3D printed trabecular surface structure with a pore size of 610 to 820 μm and a porosity of 70 %. |
THA with MobilLINK TrabecuLINK cup and LCU stem
|
Active Comparator: Pinnacle Gription Series 100 cup
For the control group a Pinnacle Gription cup series 100 with a apex hole eliminator will be used together with a neutral cross-linked polyethylene (XLPE) Marathon liner (DePuy Synthes by Johnson & Johnson, Norderstedt, Germany). The Pinnacle Gription cup is a hemispherical, single-geometry, titanium press-fit cup with a solid body. The outer surface consists of a porous coating with 300 μm sintered titanium beads coated with an extra layer of irregularly shaped pure titanium pieces. In cases where no initial stability can be reached when using the Pinnacle 100 series, the Pinnacle Gription sector cup with additional bone screws will be used. The cross-linked Marathon insert is made of 1050 GUR resin, irradiated with 50 kGy, remelted and plasma sterilized. The Pinnacle Gription cup will be implanted together with a Corail stem (DePuy Synthes). |
THA with Pinnacle Gription cup and Coral stem
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Early migration of the cup
Time Frame: 2 years after operation
|
Migration of the cup between 3 month and 2 years after implantation of the cup measured with Computed Tomography scan based Micromotion Analysis (CTMA) in mm.
|
2 years after operation
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proximal wear
Time Frame: 5 years after operation
|
Liner wear measured as proximal penetration of the femoral head prosthesis into the liner between 1 year and 5 years after operation in mm
|
5 years after operation
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3D wear
Time Frame: 5 years after operation
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Liner wear measured as 3D penetration of the femoral head prosthesis into the liner between 1 year and 5 years after operation in mm
|
5 years after operation
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Long term migratio
Time Frame: 15 years after operation
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Migration of the cup measured in mm with CTMA
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15 years after operation
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Long term wear
Time Frame: 15 years after operation
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Liner wear measured in mm with CTMA
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15 years after operation
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Stem migration
Time Frame: 15 years
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Distal and 3D migration in mm of the stem between post- operative examination and 3 month, 3 month and 2 years, 3 month and 5 years and 3 month and 15 years.
|
15 years
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Patient reported outcome with Forgotten Joint Score
Time Frame: 15 years after operation
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Patient-reported outcome measured by Forgotten Joint Score (FSJ).
The scores will be summarized and transformed to a scale ranging from 0 to 100, where a high value indicate that the patient tends to be less aware of the affected joint when performing daily activities.
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15 years after operation
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Patient reported outcome with Hip dysfunction and Osteoarthritis Outcome Score
Time Frame: 15 years after operation
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Patient-reported outcome measured by Hip dysfunction and Osteoarthritis Outcome Score (HOOS).
Each of the 5 subscales will get a score of 0 to 100, with 0 indicating extreme symptoms and 100 indicating no symptoms.
The subscales will be plotted as a HOOS profile, by connecting the mean scores for all 5 dimensions with a line.
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15 years after operation
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Patient reported outcome with University of California, Los Angeles Activity Score
Time Frame: 15 years after operation
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Patient-reported outcome measured by University of California, Los Angeles Activity Score (UCLA).
The patients physical activity level rank from 1 (low) to 10 (high).
|
15 years after operation
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Patient reported outcome with EuroQuol 5.
Time Frame: 15 years after operation
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Patient reported health related quality of life, measured by EuroQuol 5 dimensions (EQ-5D).
For the calculation of the EQ-5D index the standard value set version 2.1 for Sweden is used.
Index scores range from 0 ( 0 is the value of a health state equivalent to dead; negative values representing values as worse than dead) to 1 (the value of full health), with higher scores indicating higher health utility.
|
15 years after operation
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Reoperations
Time Frame: 15 years after operation
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Incidence and rate of revisions, re-operations and operation-related complications
|
15 years after operation
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Osteolysis
Time Frame: 15 years after operation
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Incidence and rate of patients showing osteolysis around the cup on CT scans and/or on x-rays
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15 years after operation
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Precision of migration measurements with CTMA
Time Frame: 1 year after operation
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Precision of migration measurement in mm with CTMA, by comparing double CT scans obtained on the same day at the 1 year follow-up.
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1 year after operation
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Precision of wear mearurements with CTMA
Time Frame: 1 year after operation
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Precision of wear measurement in mm with CTMA, by comparing double CT scans obtained on the same day at the 1 year follow-up.
|
1 year after operation
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Volker Otten, M.D, PhD, Umeå University hospital/Umeå University
Publications and helpful links
General Publications
- Goriainov V, Jones A, Briscoe A, New A, Dunlop D. Do the cup surface properties influence the initial stability? J Arthroplasty. 2014 Apr;29(4):757-62. doi: 10.1016/j.arth.2013.07.007. Epub 2013 Nov 22.
- Campbell D, Mercer G, Nilsson KG, Wells V, Field JR, Callary SA. Early migration characteristics of a hydroxyapatite-coated femoral stem: an RSA study. Int Orthop. 2011 Apr;35(4):483-8. doi: 10.1007/s00264-009-0913-z. Epub 2009 Dec 13.
- Bitsch RG, Loidolt T, Heisel C, Ball S, Schmalzried TP. Reduction of osteolysis with use of Marathon cross-linked polyethylene. A concise follow-up, at a minimum of five years, of a previous report. J Bone Joint Surg Am. 2008 Jul;90(7):1487-91. doi: 10.2106/JBJS.F.00991.
- van der Voort P, Pijls BG, Nieuwenhuijse MJ, Jasper J, Fiocco M, Plevier JW, Middeldorp S, Valstar ER, Nelissen RG. Early subsidence of shape-closed hip arthroplasty stems is associated with late revision. A systematic review and meta-analysis of 24 RSA studies and 56 survival studies. Acta Orthop. 2015;86(5):575-85. doi: 10.3109/17453674.2015.1043832.
- Drobniewski M, Borowski A, Synder M, Sibinski M. Results of total cementless hip joint arthroplasty with Corail stem. Ortop Traumatol Rehabil. 2013 Jan-Feb;15(1):61-8. doi: 10.5604/15093492.1032797.
- Louboutin L, Viste A, Desmarchelier R, Fessy MH. Long-term survivorship of the Corail standard stem. Orthop Traumatol Surg Res. 2017 Nov;103(7):987-992. doi: 10.1016/j.otsr.2017.06.010. Epub 2017 Aug 1.
- Buttaro MA, Onativia JI, Slullitel PA, Andreoli M, Comba F, Zanotti G, Piccaluga F. Metaphyseal debonding of the Corail collarless cementless stem: report of 18 cases and case-control study. Bone Joint J. 2017 Nov;99-B(11):1435-1441. doi: 10.1302/0301-620X.99B11.BJJ-2017-0431.R1. Erratum In: Bone Joint J. 2018 Sep;100-B(9):1260. Bone Joint J. 2018 Sep;100-B(9):1260.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
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
- TrabecuLINK study
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
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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