Randomized, open-label study to compare the efficacy and safety of prednisone plus recombinant human thrombopoietin (rhTPO) compared to prednisone monotherapy for the treatment of immune thrombocytopenia in pregnancy

The investigators are undertaking a parallel group, randomized controlled trial of adults with ITP in pregnancy in China. Patients were randomized to prednisone plus rhTPO and prednisone monotherapy group. Platelet count, bleeding and other symptoms were evaluated before and after treatment. Adverse events are also recorded throughout the study.

Inclusion Criteria:

1. Age 18-49;
2. Gestational weeks ≥20 weeks;
3. Platelet count <30×10^9/L, accompanied with or without bleeding symptoms;
4. Confirmed diagnosed, treatment-naive ITP in pregnancy;
5. Willing and able to sign written informed consent.

Exclusion Criteria:

1. Secondary ITP such as drug-related thrombocytopenia;
2. Thrombocytopenia caused by viral infection (HIV, hepatitis B or hepatitis C); Other autoimmune diseases (including positive anti-nuclear antibodies, positive anti-cardiolipin antibodies, positive lupus anticoagulant factors, and positive Coombs) with severe heart, kidney, liver or respiratory dysfunction;
3. Severe immunodeficiency;
4. Myelodysplastic or myeloid fibrosis;
5. History of malignancy.