Sixth Affiliated Hospital, Sun Yat-sen University

This study tests whether infusing tiny particles from umbilical cord stem cells (called exosomes) into the womb can help repair the uterine lining in women with intrauterine adhesions—scar tissue that can cause infertility. About 60 women aged 20–38 will receive the treatment and…

This study tests whether a high-protein oral nutrition supplement containing HMB can improve muscle strength and mass in people with active Crohn's disease who also have muscle loss (sarcopenia). About 44 adults aged 18-50 will take the supplement alongside their usual care. The …

This study looks at whether people with advanced upper rectal cancer can have a smaller surgery after receiving pre-surgery therapy. About 874 adults will be randomly assigned to either standard or reduced surgical margins. The goal is to see if the smaller approach is as safe an…

This study compares a new, less invasive surgery (reduced-port laparoscopy) to standard surgery for people with colon or upper rectal cancer. The goal is to see if the newer approach is just as safe and effective, while possibly causing less pain and faster recovery. About 500 ad…

This study tests whether injecting a patient's own concentrated platelets (PRP) after balloon dilation can prevent the colon from narrowing again in people with Crohn's disease. About 74 adults with a short colon stricture will receive either a high or low concentration of PRP. T…

This study tests a simple, non-invasive technique called remote ischemic preconditioning (RIPC) to prevent heart injury in patients at high risk for heart problems who are having major abdominal surgery. RIPC involves briefly inflating a blood pressure cuff on the arm to trigger …

This study looks at how often doctors should re-inflate the lungs during abdominal surgery to keep them working well. About 52 older adults having laparoscopic surgery will be checked. The goal is to find the best timing to reduce lung collapse and help patients recover faster.