DUBLIN – Redhill Biopharma Inc. is claiming a 62% relative reduction in day 42 mortality from COVID-19 among hospitalized severe patients who received its oral drug, opaganib, as compared with those on placebo. It is also reporting a shorter median time to discharge (10 days vs. 14 days) and a higher proportion of patients on treatment being able to breathe unassisted by day 14 (77% vs. 63.5%).