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 is watching 800 people with severe pneumonia in the intensive care unit to learn more about the disease. Researchers will track symptoms, treatments, and outcomes to better understand what causes severe pneumonia and how to improve care. The goal is to gather informati…

This observational study tracks 2,400 lung cancer patients treated with immune checkpoint inhibitors to understand how often blood clots (in veins or arteries) occur and what raises that risk. Researchers will compare patients who develop clots with those who don't, looking for b…

This study looks at how people with chronic lung diseases like COPD and asthma experience breathing difficulty. Some feel severe distress with mild issues, while others notice little even with poor lung function. Researchers will group 950 participants (800 patients and 150 healt…

This study is observing 10,000 adults aged 40-80 with COPD to understand how combining Western medicine with traditional Chinese medicine (like tongue and pulse checks) can better manage the disease and its related health problems, such as heart disease and diabetes. Researchers …