Ascension® Humeral Resurfacing Arthroplasty (HRA) Follow-Up Study

Study Overview
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Brief Summary
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This is a prospective study on the Ascension HRA device to collect data to assess the safety and effectiveness of the HRA.

Detailed Description
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This study protocol will provide guidance to investigators wanting to perform a non-randomized, consecutive enrollment, 10-year follow-up study of patients who are treated with the Ascension® HRA. Its purpose is to measure and document the outcomes associated with implanting the Ascension HRA prosthesis. Patients will be periodically assessed to collect data related to safety and effectiveness endpoints at the following intervals: preoperative, surgery/immediate post-op, 3 months, 6 months, 1 year, 2 year, 5 year, and 10 years.

Official Title
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Ascension® Humeral Resurfacing Arthroplasty HRA Follow-Up Study

Conditions
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Arthritis

Intervention / Treatment
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* Device: HRA


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Any patient who is to be treated with the Ascension HRA is eligible for inclusion in this study. Therefore, Principal Investigators should attempt to recruit all patients at the study site who are treated with the Ascension HRA The following patient will be included in the study - Patient who: Is treated with the Ascension HRA Is disabled by either non-inflammatory or inflammatory arthritis (i.e. rheumatoid arthritis, osteoarthritis and avascular necrosis Has mild or moderate humeral head deformity and /or limited motion Has post-traumatic arthritis Has an intact or reparable rotator cuff Has the means and ability to return for all required study visits Is willing to participate in the study Has signed an Informed Consent Form Is at least 18 years of age and skeletally mature at the time of surgery Is less than 75 years of age at the time of surgery Exclusion Criteria: Infection, sepsis, and osteomyelitis Osteoporosis Metabolic disorders which may impair bone formation Osteomalacia Rapid joint destruction, marked bone loss or bone resorption apparent on X-ray Revision procedures where other devices or treatments have failed Refuses to be in the study; or does not have the means and ability to return for all required study visits Currently participating in another clinical study

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 75 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Primary cohort<br>Primary cohort of subjects who receive the HRA device. | Device: HRA<br>* Humeral head resurfacing with the HRA device<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| American Shoulder and Elbow Surgeons (ASES) Score | The American Shoulder and Elbow Score is a functional outcome tool that has been validated for various shoulder conditions | 2 years | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Range of Motion | Assessment of range of motion in the shoulder | 2 years | 
| Visual Analog Scale for pain | Patient assessed score of pain in the shoulder | 2 years | 
| X-rays | X-rays are conducted to assess the location and placement of the HRA device in the shoulder | 2 years | 
| Adverse events | assessment of any adverse events that occur during the trial | Surgery; 3 month, 6 month, 1 year and 2 years post-op |