Individualised dosage based on patient's platelet counts.
ITP Initially 50 mg once daily.
East-/Southeast-Asian patient 25 mg once daily. Adjust dose to achieve & maintain platelet count ≥50,000/microL. Observe patient's response for at least 2 wk prior to another dose adjustment. Standard dose adjustment: 25 mg once daily. Max: 75 mg daily.
Hepatic impairment Initially 25 mg once daily, wait 3 wk before dose increase.
Chronic HCV-associated thrombocytopenia Adult Initially 25 mg once daily, may be increased by 25 mg increments every 2 wk. Max: 100 mg once daily.
Hepatic impairment Initially 25 mg once daily.
1st-line severe SAA Patient ≥12 yr 150 mg once daily for 6 mth. Initiate concurrently w/ standard immunosuppressive therapy.
Asian patient ≥12 yr & those w/ mild, moderate or severe hepatic impairment Initially 75 mg once daily for 6 mth.
Refractory SAA Adult Initially 50 mg once daily.
East-/Southeast-Asian patient Initially 25 mg once daily. Adjust dose in 50 mg increments every 2 wk as necessary to achieve target platelet count ≥50,000/microL. Max: 150 mg daily.
Chronic HCV & refractory SAA Hepatic impairment Initially 25 mg once daily.