The advent of BCR-ABL1 tyrosine kinase inhibitors (TKIs) for the treatment of chronic myeloid leukemia (CML) has dramatically changed the management of patients with CML. With continuous long-term TKI therapy, CML can be managed like a chronic condition, and most patients can expect to have a normal life expectancy. Given the prospect of lifelong therapy, however, issues related to adherence become particularly important and warrant greater attention since attainment of favorable long-term survival depends in large part on consistent, appropriate treatment administration over years, if not decades. As the multidisciplinary care team approach to cancer care has gained traction at academic centers and community practices, midlevel providers, including nurse practitioners and physician assistants, have taken on greater patient-related responsibilities. Midlevel providers have the potential to foster and maintain meaningful provider-patient relationships that may span years, and are well positioned to recognize and manage problems that patients may have with adherence. Here we discuss the importance of achieving and maintaining responses to TKI therapy, describe the clinical consequences of poor adherence to TKI therapy in CML, and outline factors behind poor adherence. We also share strategies that we use at our center to improve adherence to long-term TKI therapy for CML.
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