Third Military Medical University

This study tests whether adding a freezing biopsy (cryobiopsy) to the standard needle biopsy improves diagnosis of lung cancer that has spread to the chest. About 240 adults with suspicious chest lymph nodes will get both procedures. The goal is to see if the combo finds cancer m…

This study tests if a special high-flow oxygen mask works better than standard oxygen for people with high-altitude pulmonary edema (fluid in the lungs from climbing too high too fast). About 200 adults who develop symptoms within 7 days of reaching high altitude will be randomly…

This study tests whether a procedure called erythrocytapheresis—which removes extra red blood cells from the blood using a machine—can safely reduce symptoms of chronic mountain sickness. The trial will enroll 112 long-term high-altitude residents with very high hemoglobin levels…

This Phase 3 trial tests whether lubiprostone, a drug already used for other types of constipation, can safely increase bowel movements in people with slow transit constipation. About 346 adults will take either lubiprostone or a standard laxative (PEG) for 4 weeks. The main goal…