Sixth Affiliated Hospital, Sun Yat-sen University

This study compares a newer, less invasive surgery (reduced-port laparoscopy) to standard laparoscopic surgery for people with colon or upper rectal cancer. The goal is to see if the newer approach is as safe and effective, while possibly causing less pain and faster recovery. 50…

This study tests whether infusing stem cell exosomes into the uterus can repair the lining in women with intrauterine adhesions (scarring). Sixty women aged 20-38 will receive either exosomes plus hormone therapy or hormone therapy alone after hysteroscopy. The goal is to see if …

This study tests whether injecting a patient's own platelet-rich plasma (PRP) into the colon after balloon dilation can prevent the colon from narrowing again in people with Crohn's disease. About 74 participants will receive either a high or low concentration of PRP during the p…

This study tests whether surgeons can safely remove less tissue during surgery for upper rectal cancer after patients have received pre-surgery therapy. About 874 adults with locally advanced rectal cancer will be randomly assigned to either standard or reduced surgical margins. …

This study tests whether a high-protein oral supplement with HMB can improve muscle strength and mass in people with active Crohn's disease who also have sarcopenia (muscle loss). 44 participants will take the supplement alongside standard care. The main goal is to see if grip st…

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

This study tests how often doctors should give a brief lung inflation (called a recruitment maneuver) during abdominal laparoscopic surgery to keep the lungs open. Fifty-two older adults having elective surgery will receive these puffs at different intervals, starting every 30 mi…