Abstract
Tyrosine kinase inhibitors (TKIs) have dramatically improved the prognosis of chronic myeloid leukemia (CML). Five types of TKIs, including the third-generation TKI, ponatinib, are available in Japan, and TKI resistance has almost been overcome. However, TKI-related adverse events, such as vascular occlusive diseases that are frequently associated with ponatinib use, have become a critical concern. A recent dose optimization study of ponatinib demonstrated a dosing regimen that balances its risks and benefits in CML therapy. Furthermore, asciminib, a CML therapeutic drug with a new mechanism of action, has become available and is being applied clinically in Europe and the USA. This article outlines the latest treatments developed for CML in the chronic phase with prior therapy.
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