Clinique Saint Jean, France

This study is testing a surgery that replaces the joint at the base of the thumb in people with thumb arthritis. The goal is to see if it improves hand function and reduces pain. Researchers will follow 300 adults for one year after surgery to measure their progress and any compl…

This study looks at whether a nerve block (erector spinae plane block) given before lumbar spinal fusion surgery can lower the amount of morphine patients need for pain in the first three days after surgery. About 130 adults having this back surgery will take part. The goal is to…

This study looks at whether a special numbing injection (TAP block) can lower the amount of pain medicine needed after lower back surgery. About 80 adults having anterior lumbar spine surgery will be randomly assigned to get either the TAP block or a placebo. Their pain and medic…

This study follows 150 adults for one year after ankle arthroscopy to track any complications. Participants will be checked by surgeons and physical therapists at 15 days, 3 months, 6 months, and 1 year. They will also fill out questionnaires and do physical tests. The goal is to…

This study looks at whether a newer type of back surgery called unilateral biportal endoscopy (UBE) helps keep the spine stable after removing pressure on nerves. Researchers will follow 400 adults aged 50 and older who need this surgery. They will use special X-rays taken 3 mont…