Efficacy and Safety of CsA+AVA in the Treatment of NSAA in the Elderly

Cyclosporine was taken orally at 3-5mg/kg bid was administered to maintain the trough concentration at 100-200 μg/ml

Avatrombopag was administrated at 40 mg/d and increased by 20 mg/d during the biweekly follow-up if platelet was not 20 × 109/L higher than baseline. AVA dose was gradually reduced if PLT ≥ 150 × 109/L. The maximum dose was 60 mg/d, while the minimum was 20 mg/week.