Qingyuan Zhan

This study tests different doses of steroids for people in the ICU with severe pneumonia caused by adenovirus or Pneumocystis jirovecii. The goal is to see if steroids can reduce the high death rate (25-50%) by calming the body's overactive immune response. About 1,500 adults wil…

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 antibiotic care can lower the risk of death 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 s…

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…

This study tests whether adding corticosteroids to standard care can lower the high death rate (60-80%) of a severe lung infection called PJP in people with weakened immune systems who are not HIV-positive. About 240 adults in intensive care will receive different doses of steroi…

This study tests whether adding corticosteroids to standard care can reduce deaths in adults with severe pneumonia caused by adenovirus. About 262 ICU patients will receive either standard care alone or standard care plus different doses of corticosteroids. The goal is to find a …