An observational study in Osteo Arthritis Shoulders, Osteonecrosis and Rotator Cuff Tears, sponsored by Exactech. Recruiting at 40 sites in 6 countries. Open to participants aged 21 Years and older. Per ClinicalTrials.gov, last updated 2026-09-17.
Sponsored by Exactech · Observational
The objective of this study is to collect and evaluate long-term clinical and radiographic outcomes data in order to better understand the safety and performance of the shoulder arthroplasty over time. This study will follow subjects long-term for a minimum of 10-years, without an early-term restriction on the amount of time they will be followed.
286 studies on the registry are indexed under Osteonecrosis; 45 are open to participants now.
This study's planned enrollment of 20,000 is above the median of 121 across 127 observational studies indexed under Osteonecrosis.
Browse Osteonecrosis studies →Exactech is the lead sponsor of 17 studies on the registry; 9 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Patients who meet eligibility criteria - Patients who consent to participate to return for follow-up visits out to 10 years or longer
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.
Informed consent
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Contraindication
A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Constant
Constant Shoulder Score - 100 points scale about pain, Activities of daily living, Strength test, and Range of Motions questions about shoulder where 100 % corresponds to the highest pain
Time frame: Through study completion, an average of 1 per year
ASES
American Shoulder and Elbow Surgeons Score (ASES) - 100 points scale about shoulder pain and performance evaluation in activities of daily living where 100 indicates the best shoulder condition
Time frame: Through study completion, an average of 1 per year
Oxford Score (may be used as an optional form for surgeons in the United Kingdom)
Oxford Shoulder Score (OSS) - 12 questions assessing outcomes of shoulder surgery and its impact on patients' quality of life of degenerative conditions such as arthritis and rotator cuff problems - Maximum score is 60 and indicates greater degree of disability
Time frame: Through study completion, an average of 1 per year
TESS (may be used as specific forms related to the pre-operative condition/diagnosis)
Toronto Extremity Salvage Score (TESS) - Patient functional assessment following for surgery for musculoskeletal tumors (Humeral Reconstruction Stem only) - 100-point score where higher score indicates a better outcome
Time frame: Through study completion, an average of 1 per year
MSTS (may be used as specific forms related to the pre-operative condition/diagnosis)
Musculoskeletal Tumor Society (MSTS) - 30 points \[6 times (range 0-5)\], simple measure of the upper extremity function (Humeral Reconstruction Stem only) - The maximum corresponds to the best score
Time frame: Through study completion, an average of 1 per year
Eligibility is decided by the study team. Share this record with your doctor or contact the team directly.
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