Evaluating Zimmer Biomet Shoulder Replacement Systems
Official title: Zimmer Biomet Shoulder Arthroplasty Long-term Post Market Clinical Follow-up Study
Run by Zimmer Biomet · NCT04984291 · Data updated 2026-11-12
This study is testing how safe and effective Zimmer Biomet Shoulder Replacement Systems are for people getting shoulder surgery, looking at how well the implants last over ten years and how patients feel after two years.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 20 Years and up |
| Sex | All |
| Enrollment | 584 (estimated) |
| Sponsor | Zimmer Biomet Industry-sponsored |
| Locations | 17 sites (Irvine, California and 16 other locations) |
| Status | Recruiting |
| Started | July 28, 2021 |
| Main results expected | August 15, 2033 |
| Study ends | August 15, 2033 |
| Registry record updated | April 28, 2026 |
| Trial ID | NCT04984291 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include adults aged 20 and older with conditions such as shoulder arthritis, fractures, or deformities that necessitate shoulder arthroplasty.
✕Probably not a fit
Patients with contraindications for shoulder arthroplasty or those who do not have functional deltoid muscles may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This study aims to confirm the safety, performance, and clinical benefits of Zimmer Biomet Shoulder Arthroplasty Systems in patients undergoing primary or revision shoulder arthroplasty. The primary endpoint focuses on the survival of the implant over a 10-year period, while secondary endpoints assess performance and clinical benefits after 2 years using standardized scoring systems. Adverse events will be monitored to evaluate the safety of the system, and separate analyses will be conducted for each arm of the study.
Why it matters
Potential benefit: If successful, this study could lead to improved outcomes and quality of life for patients undergoing shoulder arthroplasty.
How similar studies have gone: Previous studies on shoulder arthroplasty systems have shown promising results, indicating that this approach is supported by existing evidence.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Patient must be 20 years of age or older. * Patient must be anatomically and structurally suited to receive shoulder arthroplasty implants. * Patient is a candidate for shoulder arthroplasty due to one or more of the following: * Non-inflammatory degenerative joint disease including osteoarthritis and avascular necrosis. * Rheumatoid arthritis. * Correction of functional deformity. * Fractures of the proximal humerus, where other methods of treatment are deemed inadequate. * Difficult clinical management problems, where other methods of treatment may not be suitable or may be inadequate. * Patient must be able and willing to complete the protocol required follow-up. * Patient must be able and willing to sign the IRB/EC approved informed consent. * Patient has grossly deficient rotator, (for reverse application) * With severe arthropathy and/or * Previously failed shoulder joint replacement * Patient must have functional deltoid muscle (for reverse application) Exclusion Criteria: * Patient is unwilling or unable to give consent or to comply with the follow-up program. * Patient has any condition which would in the judgement of the Investigator, place the patient at undue risk or interfere with the study. * Patient is known to be pregnant or breastfeeding. * Patient is a vulnerable subject (prisoner, mentally incompetent or unable to understand what participation to the study entails, a known alcohol or drug abuser, and/or anticipated to be non-compliant). * Patient is uncooperative or patient with neurologic disorders who is incapable or unwilling to follow directions. * Patient has any sign of infection affecting the shoulder joint or in its proximity which may spread to the implant site. * Patient has rapid joint destruction, marked bone loss, or bone resorption apparent on roentgenogram. * Patient has any neuromuscular disease compromising the affected limb that would render the procedure unjustifiable. * Patient presents with osteoporosis, which in the opinion of the Investigator, may limit the subject's ability to support total shoulder arthroplasty using the study device. * Patient has osteomalacia. * Patient has a metabolic disorder that may impair bone formation. * Patient has deficient rotator cuff. * Patient presents with significant injury to the upper brachial plexus. * Patient has paralysis of the axillary nerve. * Patient has non-functional deltoid or external rotator muscles.
Where it's running
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Panorama Orthopaedic and Spine Center
Golden, Colorado, United States Recruiting -
Intermountain Health
Murray, Utah, United States Recruiting -
Hoag Orthopedic Institute
Irvine, California, United States Active not recruiting -
Northwestern University
Chicago, Illinois, United States Active not recruiting -
Norton Healthcare, Inc
Louisville, Kentucky, United States Terminated -
William Beaumont Hospital
Royal Oak, Michigan, United States Active not recruiting
Show 11 more locations
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TRIA Orthopaedic Center Research Institute
Bloomington, Minnesota, United States Active not recruiting -
Mississippi Sports Medicine and Orthopaedic Center, PLLC
Jackson, Mississippi, United States Active not recruiting -
Advance Bone and Joint
City of Saint Peters, Missouri, United States Active not recruiting -
Washington University
St Louis, Missouri, United States Active not recruiting -
University of Buffalo
Buffalo, New York, United States Active not recruiting -
Rothman Institute
Philadelphia, Pennsylvania, United States Active not recruiting -
Fukui General Hospital
Fukui, Japan Active not recruiting -
Iwaki City Medical Center
Fukushima, Japan Active not recruiting -
Yuuai Medical Center
Okinawa, Japan Active not recruiting -
Kichijoji Minami Hospital
Tokyo, Japan Withdrawn -
Kensington Private Hospital
Whangarei, New Zealand Withdrawn
Study contacts
- Study coordinator: Cayla Lafollette, BS
- Email: Cayla.lafollette@zimmerbiomet.com
- Phone: 574 268-8610
Similar studies
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This study is testing the AETOS Shoulder System to see if it is safe and effective for people with shoulder arthritis who need shoulder replacement surgery.
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In older adults with rotator cuff–related shoulder pain, this study tests whether adding functional electrical stimulation to a shoulder exercise program improves muscle coordination and reduces impingement compared with exercises alone.
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.