- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05358574
PMCF Study on the Safety, Performance and Clinical Benefits Data of the Anatomical Shoulder Bipolar System
Post-market Clinical Follow-up Study to Provide Safety, Performance and Clinical Benefits Data of the Anatomical Shoulderᵀᴹ Bipolar System (Implants and Instrumentation) - A Retrospective and Prospective Consecutive Series Study
The study is a monocentric, retrospective and prospective, non-randomized, non-controlled and consecutive series post-market study. The purpose of this study is to collect long-term data confirming safety, performance and clinical benefits of the Anatomical Shoulder Bipolar System (Implants and Instrumentation) when used as a salvage solution in shoulder replacement.
The primary objective is the assessment of safety by analyzing implant survivorship. This will be established by recording the incidence and frequency of revisions, complications and adverse events. Relation of the events to implant, instrumentation and/or procedure should be specified.
The secondary objective is the assessment of performance and clinical benefits by recording patient-reported clinical outcome measures (PROMs) as well as radiographic outcomes.
Study Overview
Status
Conditions
Detailed Description
The Anatomical Shoulder Bipolar System is intended for hemi shoulder replacement as a salvage solution in situations, where a Zimmer Anatomical Shoulder Inverse/Reverse prosthesis was originally planned, but it is intra-operatively found that the attachment of the Zimmer Anatomical Shoulder Inverse/Reverse glenoid fixation is not possible. The system is intended for long-term implantation into the human shoulder joint.
One site will be involved in this study. The aim is to include a maximum of 40 consecutive series cases who received the Anatomical Shoulder Bipolar starting from 2009 until 2020. All potential study subjects will be required to participate in the Informed Consent Process.
Baseline data from the preop, intraop and immediate post-op intervalls will be available in medical notes and collected retrospectively. During follow-up visits at 1, 2, 5, 7 and 10 years post-op (depending on patients' date of surgery), the patient will be asked to complete patient questionnaires. Moreover, a clinical assessment and a radiographic evaluation will be conducted. In addition, any complications and adverse events will also be collected during these follow-up visits.
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Julie Nicoux
- Phone Number: +330672613502
- Email: julie.nicoux@zimmerbiomet.com
Study Locations
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Hamburg, Germany, 22767
- Recruiting
- Helios ENDO-Klinik
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Contact:
- Jörg Neumann, Dr.med
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Principal Investigator:
- Jörg Neumann, Dr.med
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- The Anatomical Should Bipolar Adaptor is indicated for hemi shoulder replacement as a salvage solution in situations, where a Zimmer Anatomical Shoulder Inverse/Reverse prosthesis was originally planned, but it is intra-operatively found that the attachment of the Zimmer Anatomical Shoulder Inverse/Reverse glenoid fixation is not possible
- Patient should have received the Anatomical Shoulder Bipolar System
- Patient should have signed the Informed Consent Form
- Patient is 18-100 years of age, inclusive
- Patient is skeletally mature
Exclusion Criteria:
- Patients who are not willing to return for study required follow-up visits and/or are not willing to comply with the follow-up schedule
- Patients who have any condition which would in the judgement of the Investigator place the patient at undue risk or interfere with the study. Any patient who is institutionalized, or is a known drug abuser, a known alcoholic or anyone who cannot understand what is required of them
- Patient is known to be pregnant or breastfeeding
- Musculoskeletal situation that enables the application of a regular hemi or total shoulder system
- Good quantity or quality of the glenoid bone, where the fixation of a Zimmer Anatomical Shoulder Inverse/Reverse glenoid fixation is possible
- Patient's physical conditions that would impair achieving adequate implant support, and/or prevent the use of an appropriately sized implant (e.g. due to insufficient quality or quantity of bone).
- Signs of infection
- Non-functional deltoid muscle
- Charcot's shoulder (neuroarthropathy)
- Presence of significant injury to the upper brachial plexus
- Any neuromuscular or vascular disease compromising the affected limb that would endanger the success of the intervention
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Other
Cohorts and Interventions
Group / Cohort |
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Patients who received the Anatomical Shoulder Bipolar
Patients who received the Anatomical Shoulder Bipolar and were operated according to the product's IFU and surgical technique
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incidence and frequency of revisions [Product safety based on implant survivorship]
Time Frame: From operation to study completion, 1-10 years
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Safety will be assessed by recording and analyzing the incidence and frequency of revisions, complications and adverse events.
A Kaplan Meier survival curve will be calculated.
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From operation to study completion, 1-10 years
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Constant and Murley Score
Time Frame: From post-operative to final follow-up visit, 1-10 years
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The patient will be evaluated at each interval (1, 2, 5, 7, 10 years) The Constant and Murley score is a 100-point functional shoulder assessment tool in which higher scores reflect increased function.
The subjective variables are pain (15 points) and function (activities of daily living - sleep, work, recreation/sport; 20 points), for a total of 35 points.
The objective variables are active range of motion (clinician assessment; 40 points) and strength (25 points), for a total of 65 points.
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From post-operative to final follow-up visit, 1-10 years
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Oxford Shoulder Score
Time Frame: From post-operative to final follow-up visit, 1-10 years
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The patient will be evaluated at each interval (1, 2, 5, 7, 10 years) The OSS is a self-assessment of shoulder pain and function with 12 items; pain (2), interference with pain (2), and daily functions (8).
Each response is answered with a five point Likert scale.
The total score is the sum of the 12 items, with lower scores indicating a more favorable outcome.
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From post-operative to final follow-up visit, 1-10 years
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EuroQol Five Dimensions Questionnaire
Time Frame: From post-operative to final follow-up visit, 1-10 years
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The patient will be evaluated at each interval (1, 2, 5, 7, 10 years) The EQ-5D measures 5 dimensions; mobility, self-care, usual activities, pain/discomfort, and anxiety/depression, with a total of 5 questions. It is accompanied by the patient's self-assessment with the VAS. Each dimension is assigned one of three discrete levels for evaluation on the day of administration: Level 1 - No problems, no disability Level 2 - Some problems, moderate disability Level 3 - A lot of problems, severe disability The final score is a five digit composite of the responses ranging between 33333 - 11111 with 243 possible combinations in between. |
From post-operative to final follow-up visit, 1-10 years
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X-rays
Time Frame: From post-operative to final follow-up visit, 1-10 years
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Performance and clinical benefits will be assessed by radiographic evaluation.
Radiographs (A/P and axillary view) of the operated shoulder will be taken at each interval.
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From post-operative to final follow-up visit, 1-10 years
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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
Other Study ID Numbers
- MDRG2017-89MS-130E
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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