A Clinical Study on the Efficacy and Safety of Herombopag in the Treatment of Senile Primary ITP

The patient received herombopag 5mg/d at the beginning of the day, was orally taken on an empty stomach in the morning, and could eat 2 hours after taking the drug, once a day for 24 weeks. Investigators will adjust the dosage of herombopag once a week according to the platelet count, with a maximum dosage of 7.5 mg per day. Efficacy and safety were evaluated once a week.