Treatment 400 mg/kg/d for 3-5 days highly effective in rapidly raising the platelet count The response rate is 90% The platelet count rises within 1-5 days The beneficial effect lasts only 1-2 WeeksTreatment 400 mg/kg/d for 3–5 days highly effective in rapidly raising the platelet count. The response rate is 90% The platelet count rises within 1–5 days. The beneficial effect lasts only 1–2 weeks