- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00873444
A Randomised Study to Compare Metal Ion Release and Long-term Performance of the Pinnacle™ Cup With a Ceramic-on-Metal or a Metal-on-Metal Bearing
May 9, 2016 updated by: DePuy International
Randomised, Controlled, Prospective, Multi-Centre, Post Market Surveillance Study Comparing a Ceramic-on-Metal Bearing and a Metal-on-Metal Bearing in Subjects Requiring Primary Total Hip Arthroplasty for Non-Inflammatory Degenerative Joint Disease
The purpose of this study is to monitor the performance and compare the metal ion release of two bearing combinations, ceramic-on-metal and metal-on-metal in the treatment of patients with hip joint disease requiring a total hip replacement.
Patients who enter the study will be randomly allocated to one of the bearing combinations and will be evaluated at regular intervals using, patient, clinical and x-ray assessments.
Patients will also have blood samples taken at regular intervals to allow the metal ion levels to be determined.
Study Overview
Status
Terminated
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
5
Phase
- Phase 4
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
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Garmisch-Partenkirchen, Germany
- Klinikum Garmisch-Partenkirchen
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-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
20 years to 75 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Skeletally mature male or female subjects, aged between 20 and 75 years inclusive at the time of surgery.
- Subjects who are able to give voluntary, written informed consent to participate in this investigation and from whom consent has been obtained.
- Subjects who, in the opinion of the Investigator, are able to understand this investigation co-operate with the investigational procedures and are willing to return to the hospital for all the required post-operative follow-ups.
- Subjects undergoing unilateral primary total hip replacement who are suitable for a cementless acetabular component and whose femoral and acetabular bone stock is suitable to receive implants, without the requirement for a bone graft.
- Subjects with radiographic evidence and primary diagnosis of non-inflammatory degenerative joint disease (NIDJD).
- Subjects with a pre-operative Harris Hip Score of less than or equal to 70 and a pain rating of at least moderate for the operative hip.
Exclusion Criteria:
- Subjects who, in the opinion of the Investigator, have an existing condition, such as active infections, highly communicable diseases, neurological or musculoskeletal disorders that might affect weight-bearing and metastatic or neoplastic disease, that would compromise their participation and follow-up in this study.
- Subjects who currently have other metallic foreign bodies including trauma products and joint arthroplasties, unless known to be titanium alloy only.
- Patients who have received a total hip arthroplasty in the contralateral hip within the previous 12 months unless known to be titanium alloy only.
- Subjects who have undergone previous hip surgery on the operative hip (including previous hip/surface replacements, resection arthroplasty or surgical fusion of the hip).
- Subjects requiring a simultaneous bilateral hip operation.
- Subjects who, in the opinion of the investigator, will possibly require a separate joint replacement operation within the next two years, including revision operations.
- Subjects with an acute femoral neck fracture of the operative hip.
- Subjects who have undergone above knee amputation of the contralateral and/or ipsilateral leg.
- Subjects with compromised renal function.
- Subjects with a known allergy to metal (eg, jewellery).
- Subjects with an occupational exposure to cobalt, chromium, molybdenum, titanium or nickel.
- Subjects who have ingested medication or vitamins containing cobalt, chromium, molybdenum, titanium or nickel within the last 12 months, or intend to ingest such substances over the next 2 years.
- Subjects who have undergone systemic steroid therapy, excluding inhalers, in the three months prior to surgery.
- Women who are pregnant.
- Subjects who are prisoners, known drug or alcohol abusers or with psychological disorders that could affect follow-up care or treatment outcomes.
- Subjects who have participated in a clinical study with an investigational product in the last 12 months.
- Subjects who are currently involved in any injury litigation claims.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
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: 1) Ceramic-on-Metal Bearing
A cementless acetabular cup with ceramic liner for use in total hip replacement
|
A cementless acetabular cup with ceramic liner for use in total hip replacement
A cementless acetabular cup with metal liner for use in total hip replacement
|
Active Comparator: 2) Metal-on-Metal Bearing
A cementless acetabular cup with metal liner for use in total hip replacement
|
A cementless acetabular cup with ceramic liner for use in total hip replacement
A cementless acetabular cup with metal liner for use in total hip replacement
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Cobalt metal ion levels in the blood at 2 years post surgery
Time Frame: 2 years post-surgery
|
2 years post-surgery
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Kaplan-Meier survivorship calculations
Time Frame: Annually
|
Annually
|
Oxford Hip Score
Time Frame: 6 weeks, 6 months, and Annually
|
6 weeks, 6 months, and Annually
|
UCLA Score
Time Frame: 6 weeks, 6 months, and Annually
|
6 weeks, 6 months, and Annually
|
Pain Visual Analogue Scale
Time Frame: 6 weeks, 6 months, and Annually
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6 weeks, 6 months, and Annually
|
Harris Hip Score
Time Frame: 6mths, 1yr, 2yrs, 5yrs and 10yrs post-surgery
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6mths, 1yr, 2yrs, 5yrs and 10yrs post-surgery
|
Radiographic analysis
Time Frame: 6 weeks, 6mths, 1yr, 2yrs, 5yrs and 10yrs post-surgery
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6 weeks, 6mths, 1yr, 2yrs, 5yrs and 10yrs post-surgery
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Blood metal ion levels
Time Frame: pre-discharge, 6 weeks, 6mths, 1yr, 2yrs, 5yrs and 10yrs post-surgery
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pre-discharge, 6 weeks, 6mths, 1yr, 2yrs, 5yrs and 10yrs post-surgery
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
July 1, 2006
Primary Completion (Actual)
November 1, 2006
Study Completion (Actual)
November 1, 2006
Study Registration Dates
First Submitted
March 19, 2009
First Submitted That Met QC Criteria
March 31, 2009
First Posted (Estimate)
April 1, 2009
Study Record Updates
Last Update Posted (Estimate)
May 11, 2016
Last Update Submitted That Met QC Criteria
May 9, 2016
Last Verified
March 1, 2016
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Pathologic Processes
- Wounds and Injuries
- Congenital Abnormalities
- Joint Diseases
- Musculoskeletal Diseases
- Connective Tissue Diseases
- Bone Diseases
- Hip Injuries
- Musculoskeletal Abnormalities
- Joint Dislocations
- Bone Diseases, Developmental
- Osteochondrodysplasias
- Epiphyses, Slipped
- Necrosis
- Rheumatic Diseases
- Collagen Diseases
- Hip Dislocation
- Developmental Dysplasia of the Hip
- Hip Dislocation, Congenital
- Slipped Capital Femoral Epiphyses
Other Study ID Numbers
- CT00/37
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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