OSTEONECROSIS

This study is testing a special implant (Tapestry) that helps repair a key shoulder tendon (subscapularis) during shoulder replacement surgery. About 100 adults with shoulder arthritis or injury will be followed for 2 years to see if the tendon heals better with the implant. The …

This study tests a procedure for people with early-stage osteonecrosis (bone death) of the hip. Doctors drill into the hip bone, inject a concentrated sample of the patient's own bone marrow, and add a special bone graft material called Genex. The goal is to see if this helps bon…

This study tests a new drug called RAB001 in people with early-stage hip bone damage caused by long-term steroid use. About 160 participants will receive either a low, medium, or high dose of RAB001, or a standard bone drug (alendronate). The goal is to see if RAB001 can reduce t…

This study looks at whether putting vancomycin powder directly into the joint during hip or knee replacement surgery can prevent infections better than standard IV antibiotics alone. About 1,800 adults having primary or revision joint replacement are being followed for two years.…

This study looks at over 110,000 people who had hip replacement surgery to see if a longer or shorter hip stem works better. It compares death rates, how often the hip implant needs to be replaced, and patient-reported pain and function. The goal is to find out which stem length …