This drug should be administered within 48 hours after the phlebotomy. In addition, as a dose escalation design, 4 doses of 0.25 mg/kg, 0.4 mg/kg, 0.64 mg/kg, and 1 mg/kg are administered to the same subject, when the next phlebotomy required during observation period after the 1st administration.

As an observation and evaluation method, for each dose, in principle, inpatient observation is performed for 1 week from the day before administration, and then safety and pharmacodynamic tests are evaluated by visiting the hospital every 2 weeks.

Observed maximum plasma concentration [Cmax]

Terminal elimination rate constant [λz]