Other Treatments

Some treatments for ITP don’t fit neatly into the main categories of corticosteroids, IVIg, TPO-RAs or immunosuppressants. These “other treatments” support platelet levels, reduce bleeding, or are used when other treatments are not suitable or have not worked well enough.

Treatments included

Procedures
Supportive treatments
Emerging treatments (not available in Australia)

Splenectomy

Splenectomy is usually considered when:

It is rarely used in children and generally avoided in the first year after diagnosis

The spleen is a major site where antibody-coated platelets are destroyed. Removing it:

Tranexamic Acid (TXA)

TXA helps stabilise blood clots by preventing them from breaking down too quickly.

Hormonal Therapies

Hormonal therapies stabilise the lining of the uterus and reduce menstrual flow.

Options may include:

Side effects depend on the specific therapy and may include mood changes, spotting, or breast tenderness.

Natural Therapies

Natural therapies vary widely and may include:

Options may include:

Side effects depend on the specific therapy and may include mood changes, spotting, or breast tenderness

Emerging Treatments

These treatments are not currently available in Australia or New Zealand; however, they are available in other locations, including the USA, UK and Europe.

Fostamatinib (SYK inhibitor)

SYK inhibitors block a protein called spleen tyrosine kinase (SYK), which plays a key role in the immune system’s process of destroying platelets. By blocking SYK, these medicines help reduce the immune attack on platelets, allowing platelet counts to rise.

In ITP, immune cells attach to platelets and mark them for destruction. SYK is one of the main signals that tells the body to remove those platelets. Blocking SYK interrupts this process.

Rilzabrutinib (BTK inhibitor)

BTK inhibitors block Bruton’s tyrosine kinase (BTK), a protein involved in activating immune cells that produce antibodies. By reducing this activity, BTK inhibitors help lower the immune response that leads to platelet destruction.

BTK is part of the signalling pathway that helps B-cells make antibodies. In ITP, these antibodies attach to platelets, so reducing BTK activity may reduce platelet destruction.

Efgartigimod (FcRn blocker)

FcRn blockers target the neonatal Fc receptor (FcRn) — a protein that normally protects IgG antibodies from being broken down. By blocking FcRn, these medicines help the body remove IgG antibodies more quickly.

In many people with ITP, IgG antibodies attach to platelets and mark them for destruction. Lowering IgG levels can reduce this process and help platelet counts rise.