AstraZeneca’s fast-growing BTK inhibitor Calquence is already challenging class leader Imbruvica from Johnson & Johnson/AbbVie in the treatment of chronic lymphocytic leukaemia (CLL).
For the second time in the space of a month AstraZeneca has stopped a trial of its chronic lymphocytic leukaemia (CLL) drug Calquence (acalabrutinib) early following positive results.