Beijing Chao Yang Hospital

This study tests whether using a reinforcing material called SIS during bowel reconnection after rectal cancer surgery can prevent a serious complication called anastomotic leakage. About 966 adults with mid-to-low rectal cancer will be randomly assigned to receive either standar…

This study looks at how people with chronic lung diseases like COPD and asthma experience shortness of breath. Some feel severe distress with mild breathing problems, while others notice little even when lung function is poor. Researchers will group participants based on this per…

This study is observing 800 adults admitted to the respiratory ICU with severe pneumonia. Researchers will track symptoms, breathing support needs, and death rates to better understand the disease. No new treatments are being tested; the goal is to gather information to improve f…

This study is observing 10,000 adults aged 40-80 with COPD to learn how combining Western and traditional Chinese medicine can help manage the disease and its related health problems. Researchers will track symptoms, use digital monitors, and analyze risk factors to improve long-…

This study watches 2,400 lung cancer patients who are getting immunotherapy (immune checkpoint inhibitors) to see how often they develop dangerous blood clots. Researchers will compare patients who get clots with those who don't, looking for clues in their health records and lab …