- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04349046
Exception Cementless Hip Stem (Exception)
Exception Cementless Femoral Stem in Total Hip Arthroplasty. A Multicenter, Retrospective and Prospective, Non-controlled Post Market Clinical Follow-up Study (Implants and Instrumentation)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Six surgeons have prospectively collected clinical data for patients operated consecutively between January 2008 and September 2012. The patients have been operated based on the indications and contraindications listed in the Instructions For Use (IFUs) of the implant.
This study is an extension of the surgeons' data collection as an attempt from Zimmer-Biomet to fulfill its post-market surveillance obligations by recovering clinical data retrospectively and prospectively.
Study Procedure Flowchart - retrospective data collection: most patients had clinical follow-ups at pre-op, operative, immediate post-op, 3 Months, 1 year, 2, 3, 5, 7 years post-surgery during which their surgeons collected clinical data. This data will therefore only be collected by Zimmer-Biomet after the patients specifically consent to it.
Study Procedure Flowchart - prospective data collection: The informed consent signed by the patient for this study also allow Zimmer Biomet to collect the data of the standard clinical follow-up that will be conducted by the investigators at least 10 years post-surgery.
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Ahmed Bouzekrini
- Phone Number: +33 0652095034
- Email: ahmed.bouzekrini@zimmerbiomet.com
Study Locations
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Aye, Belgium, 6900
- Not yet recruiting
- Hôpital Princesse Paola
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-
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Contamine-sur-Arve, France, 74130
- Not yet recruiting
- CH Alpes Léman
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Hyères, France, 83406
- Not yet recruiting
- Hôpital Renée Sabran
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Nîmes, France, 30900
- Recruiting
- Clinique Basseres Kacem-Boudhar
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Thonon-les-Bains, France, 74203
- Not yet recruiting
- Hôpitaux du Léman
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Épagny, France, 74370
- Recruiting
- Ch Annecy Genevois
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Six surgeons have prospectively collected clinical data for patients operated consecutively between January 2008 and September 2012. The patients have been operated based on the indications and contraindications listed in the Instructions For Use (IFUs) of the implant.
For this retrospective and prospective study, only the patients who had consented to the original data collection after their surgery will be contacted.
These the patients should be capable of understanding the surgeon's explanations and following his instructions, should be able and willing to participate in the last follow-up visit, and should give consent to take part in the study. The patients should meet all the inclusion criteria and none of the exclusion criteria.
Description
At the time of surgery, the inclusion criteria were based on the indications presented in the IFUs:
- Primary or secondary osteoarthritis
- Inflammatory impairment of the hip, rheumatoid arthritis, etc.
- Fracture of the neck of the femur
- Avascular necrosis of the femoral head
- Sequelae from previous operations on the hip, osteotomies, etc.
- Congenital hip dysplasia.
- Patient is older than 18 years old
- Patient had consented to the original data collection after his/her surgery
At the time of surgery, the exclusion criteria were based on the contraindications presented in the IFUs:
- Local or systemic infections.
- Serious muscular, neurological or vascular deficiencies in the limb concerned.
- Bone destruction or poor quality bone likely to affect the stability of the implant (Paget's disease, osteoporosis, etc.)
- Any concomitant disorder likely to affect the function of the implant.
- Allergy to one of the implant components.
- Patients weighing more than 110 kg.
- Patient incapable of following the recommendations of the surgeon
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Patient who received the Exception stem
Patient who received the Exception stem between January 2008 and September 2012 and consented to the original data collection.
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Total hip arthroplasty (THA) is a common operative treatment where an arthritic, degenerative or fractured hip joint is replaced with a prosthetic device if conservative options are unable to relieve pain and debilitating symptoms.
THA was traditionally performed on patients over 60 years old, but now includes young and active patients, as well as very old ones thanks to the continuous improvement in implant design.
Major indications of THA include osteoarthritis, rheumatoid arthritis, avascular necrosis and hip fractures.
The THA surgical procedure involves replacing the head of the femur and acetabulum or socket with an artificial prosthesis.
This system is composed of a femoral stem that is inserted into the femoral canal, a ball that attaches to the femoral stem, and an acetabular component or shell that replaces the acetabulum.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Implant survival based on removal or intended removal of the device and determined using the Kaplan-Meier method
Time Frame: 10 years post-surgery
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10 years post-surgery
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
X-rays evaluated for radiolucencies, osteolysis, hypertrophy, subsidence, heterotopic ossification, etc
Time Frame: 10 years post-surgery
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10 years post-surgery
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Pain and functional performance based on the Harris Hip Score
Time Frame: 10 years post-surgery
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The score is given from 0 to 100 with Excellent: 90 - 100, Good: 80 - 89, Fair: 70 - 79, and Poor: < 70
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10 years post-surgery
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Subject quality-of-life determined by the EQ-5D (EuroQoI) score
Time Frame: 10 years post-surgery
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The lowest score (0) corresponds to "the worst health the patient can imagine", and the highest rate (100) corresponds to "the best health he can imagine".
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10 years post-surgery
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Safety based on eventual complications occurred including dislocations and revisions/removals
Time Frame: 10 years post-surgery]
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10 years post-surgery]
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Collaborators and Investigators
Sponsor
Investigators
- Study Director: Hassan Achakri, Zimmer Biomet
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
- Pathologic Processes
- Fractures, Bone
- Wounds and Injuries
- Leg Injuries
- Congenital Abnormalities
- Joint Diseases
- Musculoskeletal Diseases
- Rheumatic Diseases
- Femoral Fractures
- Hip Injuries
- Musculoskeletal Abnormalities
- Joint Dislocations
- Osteoarthritis
- Hip Fractures
- Arthritis
- Necrosis
- Hip Dislocation
- Developmental Dysplasia of the Hip
- Hip Dislocation, Congenital
- Osteoarthritis, Hip
- Femoral Neck Fractures
Other Study ID Numbers
- CME2018-45H
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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