Opinion – One U.K. Trial is Transforming COVID-19 Treatment. Why Haven’t Others Delivered More Results?

One U.K. trial is transforming COVID-19 treatment. Why haven’t others delivered more results? – Science

Study 1 – lopinavir-ritonavir: No clinical benefit from use of lopinavir-ritonavir in hospitalised COVID-19 patients studied in RECOVERY

Study 2 – dexamethasone: Low-cost dexamethasone reduces death by up to one third in hospitalised patients with severe respiratory complications of COVID-19 – Recovery Trial AND Effect of Dexamethasone in Hospitalized Patients with COVID-19: Preliminary Report – medRxiv

Study 3 – hydroxychloroquine: No clinical benefit from use of hydroxychloroquine in hospitalised patients with COVID-19