NCT04564040 2020-12-29A Study in Healthy Subjects to Assess Bioavailability (Proportion of a Drug Which Enters the Circulation to Have an Active Effect) of Acalabrutinib Tablet and Protonpump Inhibitor Effect (Members of a Class of Medications That Inhibits in Gastric Acid Production) for RabeprazoleAstraZenecaPhase 1 Completed20 enrolled