Qingyuan Zhan

This study tests whether adding corticosteroids to standard care can lower the high death rate (60-80%) of severe Pneumocystis pneumonia in people with weakened immune systems (not from HIV). About 240 ICU patients will receive either standard care alone or standard care plus dif…

This study tests whether adding corticosteroids to standard care can lower the death rate in adults with severe pneumonia caused by adenovirus. The trial will enroll 262 intensive care unit patients and compare different steroid doses. The goal is to find a safe, effective way to…

This study tests whether adding corticosteroids to standard antibiotic care can lower the death rate in adults with severe psittacosis (parrot fever) pneumonia in the ICU. About 100 participants will receive either standard care alone or standard care plus different doses of ster…

This study tests whether giving the right amount of anti-inflammatory medicine (corticosteroids) can lower the high death rate (25-50%) in severe pneumonia patients in the ICU. It focuses on two specific causes: adenovirus and Pneumocystis jirovecii. About 1,500 adults will be ra…

This study tests whether giving steroids based on a patient's immune status can improve survival in severe pneumonia with breathing failure. About 500 ICU adults will receive standard care plus tailored steroids. The goal is to find who benefits most and reduce side effects.

This study tests whether adding corticosteroids to standard care can lower the risk of death in adults with severe flu pneumonia in the ICU. About 496 participants will receive either standard care alone or standard care plus different doses of steroids. The goal is to find a saf…