Abstract
ObjectivesThis study aimed to understand current treatment patterns and healthcare resource utilization (HRU) of women with locally advanced or metastatic breast cancer (advanced breast cancer [ABC]) in Taiwan overall and within the subgroup of patients who were postmenopausal women with no previous systemic therapy in the ABC setting. MethodsA chart review of anonymized data on patient characteristics, treatment patterns, and HRU was conducted via an online physician survey including 118 patient charts from women ≥ 18 years old with hormone receptor positive/human epidermal growth receptor negative ABC, diagnosed between 2015 and 2017. ResultsThe mean age of all patients was 56.6 years (range 29-83). Among the 118 patients, the most common first-line systemic therapy group after diagnosis of ABC was endocrine-based therapy (39.0%) or endocrine therapy (ET) plus chemotherapy (ChT) combinations (38.1%). In the postmenopausal subgroup (n = 56), ET-based therapy was the most common (44.6%). Oncologist visits, at annual rate of 9.20 (95% confidence interval 8.81-9.60), and hospitalizations, at annual rate of 1.08 (95% confidence interval 0.96-1.22), were key drivers of HRU. Of the 118 patients, the 72 with at least one ChT agent in their first-line regimen had an annual hospitalization rate of 1.4 versus 0.45 admissions compared with the 46 patients on first-line ET-based therapy. ConclusionsCurrent treatment patterns suggest an unmet need for new medications that lead to reduction in high rate of ChT use. Results can inform future evaluations of new ABC treatments that estimate the health economic impact of their adoption in Taiwan.
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