EXCLUSIVE: AstraZeneca’s Calquence Shows Early Promise For COVID-19 Patients

British drug giant AstraZeneca is rushing forward a big clinical trial for its blood cancer drug Calquence because it has shown early promising results in later-stage COVID-19 patients—those in intensive care units and on ventilators. Calquence and top-selling leukemia drug Imbruvica are the latest hopes in getting coronavirus patients off ventilators, where there is a 50% mortality rate.