Ankylosing Spondylitis Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- You have been recommended for shoulder replacement surgery, or you have already had shoulder replacement surgery in the past
- Your bones have finished growing (you are a skeletally mature adult)
- You are expected to live for at least 2 years after the surgery
- You are willing to attend all required check-up appointments before and after surgery
- You are willing and able to read and sign a consent form to take part in the study
Who may not be able to join:
- You have a bone infection in the upper arm or shoulder blade, or you have an active infection anywhere in your body that has not yet been treated
- Your bones are too weak, damaged, or abnormally shaped to properly support the implant
- You have significant bone loss in the inner part of the upper arm bone that would prevent the implant from being held in place securely
- You have bone loss in the upper arm that extends too far down, making it difficult to secure the implant
- You have a nerve or muscle condition that means you cannot control your shoulder joint
- You have a significant injury to the network of nerves that controls the arm and shoulder (brachial plexus)
- The main shoulder muscle (deltoid) does not work
- Your age, weight, or activity level leads your surgeon to believe the implant may fail sooner than expected
- You are unwilling or unable to follow the care instructions after surgery
- You have a problem with alcohol, drugs, or other substance misuse
- You have a medical condition that could negatively affect how well or how long the implant works (confirm with trial site)
- You are pregnant
- You are currently a prisoner
- You have a medical reason why this type of surgery is not safe for you
- You are having a revision surgery where a stemmed implant was previously used — this applies specifically to the stemless shoulder system being studied
- You have a known allergy or sensitivity to metals or the materials used in the implant — this applies specifically to the stemless shoulder system
- You have a specific type of acute (sudden) fracture of the upper arm bone involving displacement of certain bone fragments — this applies specifically to the stemless shoulder system (confirm with trial site for details)
- You have an acute fracture of the upper arm bone combined with joint disease and a severely damaged rotator cuff causing the arm bone to shift upward — this applies specifically to the stemless shoulder system (confirm with trial site)
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Jonathan Wright, MD, UF Health Orthopaedics and Sports Medicine Institute
Phone: 352-377-1140
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Constant; ASES; Oxford Score (may be used as an optional form for surgeons in the United Kingdom); TESS (may be used as specific forms related to the pre-operative condition/diagnosis); MSTS (may be used as specific forms related to the pre-operative condition/diagnosis)
Can't join this trial?
Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.