Study Exclusion reasons Remarks Reference(s)
Duke University azithromycin, 2020 randomized controlled trial cancelled by investigator Discontinuated : Poor recruitment, strong evidence from larger trials of no therapeutic benefit  
Delliere, 2020 retrospective cohort no clinically relevant endpoint The main objective of this study was to determine invasive pulmonary aspergillosis (IPA) incidence in the COVID-19 patients admitted to the intensive care unit (ICU), describe the patient characteristics associated with its occurrence and evaluate the impact on prognosis.

Delliere S et al. Clinical Microbiology and Infection 10.1016/j.cmi.2020.12.005