Immune Thrombocytopenic Purpura Treatment Guidelines

First-Line Treatment Options

The American Society of Hematology recommends corticosteroids, such as prednisone, as the standard initial therapy at 0.5-2 mg/kg/day until platelet count increases, which may take several days to weeks 2
Corticosteroids should be rapidly tapered and stopped in responders, and especially in non-responders after 4 weeks to avoid corticosteroid-related complications 1
Dexamethasone shows high initial response rates up to 90% with sustained responses in 50-80% of patients when given in 1-4 cycles 2, 3
High-dose methylprednisolone has shown response rates as high as 95% with faster response times 2
IVIg produces rapid responses in up to 80% of patients, with many responding within 24 hours 3
IVIg is typically administered at 0.4 g/kg/day for 5 days or 1 g/kg/day for 1-2 days 3
IVIg is particularly useful when rapid platelet count increase is required 4

Thrombopoietin Receptor Agonists (TPO-RAs), such as romiplostim, have shown durable platelet responses in patients with ITP duration >1 year 5
Rituximab, an anti-CD20 monoclonal antibody, has response rates of 31-79% 6
Splenectomy provides long-term responses in 60-70% of patients 6
Azathioprine, cyclosporin A, mycophenolate mofetil, and danazol are other immunosuppressive agents used in ITP treatment, with response rates ranging from 40-80% 7

High-dose corticosteroids combined with IVIg or IV anti-D are recommended for emergency treatment of severe bleeding 8, 9
Platelet transfusions at larger-than-usual doses may be considered in life-threatening situations 9

In pregnancy, corticosteroids or IVIg are recommended first-line treatments 4
In children, treatment approach is similar to adults but with more caution regarding long-term corticosteroid use 8, 9
In secondary ITP, addressing the underlying cause, such as treating HCV or HIV infection, is recommended 4
Eradication therapy is recommended if H. pylori infection is detected 4