Yu LM, Bafadhel M, Dorward J, Hayward G, et al. Inhaled budesonide for COVID-19 in people at high risk of complications in the community in the UK (PRINCIPLE): a randomised, controlled, open-label, adaptive platform trial. Lancet 2021 Aug 10. pii: S0140-6736(21)01744.
PMID: 34388395