West China Second University Hospital

This study will test if a new type of high-definition endoscopy with special imaging is more accurate than the standard colposcopy for finding abnormal areas on the cervix and vagina. About 270 women who need a colposcopy will get both exams, and doctors will compare how well eac…

This study compares two advanced, minimally invasive hysterectomy techniques—TU-LESS (through the belly button) and vNOTES (through the vagina)—in 210 women with an enlarged uterus. The goal is to see which method leads to faster recovery, less pain, and shorter hospital stays. P…

This study looks at whether emotional distress before treatment affects how well immunotherapy works in people with locally advanced stomach or gastroesophageal junction cancer. Researchers will measure distress using questionnaires and track tumor response after surgery. The goa…

This study looks at whether sleep patterns—like duration, quality, and heart rate during sleep—are linked to how well stomach cancer responds to immunotherapy before surgery. Researchers will monitor sleep non-invasively in 120 patients with locally advanced gastric or gastroesop…

This study will follow 500 boys aged 1 to 18 with Duchenne or Becker muscular dystrophy for several years. Researchers will track their muscle function, body composition, lab tests, and heart and lung imaging to map how the disease changes over time. The goal is to create a model…

This observational study looks at how immune checkpoint inhibitors (a type of cancer immunotherapy) affect ovarian function and fertility in women aged 18-38 with solid tumors. Researchers will collect blood and stool samples before and during treatment to measure hormone levels …