Third Military Medical University

This study is testing whether combining two biopsy methods (EBUS-TBNA and mediastinal cryobiopsy) can better diagnose lung cancer that has spread to the lymph nodes in the chest. About 240 adults with a chest mass will be enrolled. The goal is to see if the combined approach impr…

This study tests a drug called lubiprostone in 346 adults with slow-transit constipation, a condition where waste moves too slowly through the colon. The goal is to see if the drug safely increases the number of spontaneous bowel movements. Participants will take the drug and tra…

This study tests if a high-flow nasal cannula (a device that delivers warm, moist oxygen) works better than standard oxygen therapy for people with high-altitude pulmonary edema (fluid in the lungs from high altitude). Researchers will enroll 200 adults who recently traveled abov…

This study tests a procedure called erythrocytapheresis, which removes excess red blood cells, to see if it safely reduces symptoms of chronic mountain sickness. About 112 adults living at high altitudes (above 8,200 feet) with very high hemoglobin levels will take part. The main…