420 mg orally once daily dose for CLL.Serious TEAE: hemorrhage, hypertension, ventricular arrhythmias, atrial fibrillation, atrial flutter, decrease in blood cell counts and Tumor lysis syndrome.Invasive fungal infections and Hepatitis-B reactivation observed.Ibrutinib-induced autoimmune hemolytic anemia and rare nail plate abnormalities also seen [62]. The gene discussed is PPIB; the disease is hepatitis A virus infection.