An observational study in Arthrosis, Traumatic Arthritis and Rheumatoid Polyarthritis, sponsored by Medacta International SA. Recruiting at 4 sites in 4 countries. Open to participants aged 18 Years to 75 Years. Per ClinicalTrials.gov, last updated 2026-10-13.
Sponsored by Medacta International SA · Observational
This is a Post-Marketing Surveillance of SMS femoral stem prosthesis.
2,974 studies on the registry are indexed under Osteoarthritis; 438 are open to participants now.
This study's planned enrollment of 550 is above the median of 100 across 601 observational studies indexed under Osteoarthritis.
Browse Osteoarthritis studies →Medacta International SA is the lead sponsor of 46 studies on the registry; 18 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Individuals suitable for hip replacement using the Medacta SMS femoral stem
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.
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.
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.
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.
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.
survivorship of the Medacta SMS femoral stem
Time frame: 10-year
clinical performance
Harris Hip Score
Time frame: 3, 5, 7 and 10 years
radiographic performance
presence of radiolucencies
Time frame: 3, 5, 7 and 10 years
Evaluate the patient satisfaction
Oxford score
Time frame: 6 months, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 years
Evaluate the quality of life
EQ-5D
Time frame: 6 months, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 years
pattern of bone remodeling
Dual Energy X ray Absorptiometry (DEXA)
Time frame: 6 weeks, 6 months, 1 year
stem migration
Radiostereometric Analysis (RSA)
Time frame: 6 weeks, 6 months, 1 and 2 years
Adverse events
record of adverse event
Time frame: up to 10 years
From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗
Eligibility is decided by the study team. Share this record with your doctor or contact the team directly.
Contact study teamGet an email when the registry record changes — status, dates, results — or when someone posts here.
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