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Cost impact of oral capecitabine compared to intravenous taxane-based chemotherapy in first-line metastatic breast cancer.

Abstract：

OBJECTIVE:Few studies have examined the costs associated with differing first-line chemotherapy regimens in patients with metastatic breast cancer (MBC). This study compares the relative cost impact of women starting first-line chemotherapy with capecitabine versus taxanes. METHODS:Women receiving first-line chemotherapy for MBC from 1998 to 2002 were identified from a hybrid North Carolina Medicaid-claims-tumour registry linked database and Medicare records, and were followed through to 2005 with claims data. Statistical t- and chi-square tests were used to compare baseline characteristics between patients who received first-line chemotherapy with capecitabine versus taxanes. Projected mean costs for 12 months continuous eligibility were estimated using an ordinary least squares linear regression. Overall cost impact of capecitabine after start of therapy was then examined using a multivariate log-linear regression model. RESULTS:While patients starting taxanes had significantly lower total costs in the pre-index year than patients starting capecitabine (mean: $20,042 vs. $35,538, p<0.001), in the post-index year, the patients on taxanes experienced significantly higher healthcare utilisation and associated costs compared to patients on capecitabine (mean: $43,353 vs. $35,842, p=0.0089). The differences were primarily attributable to lower expenses in chemotherapy related claims and fewer visit days to outpatient settings for patients on capecitabine. After adjustment with propensity scores and other confounders, the capecitabine group was associated with 32% lower healthcare costs compared to the taxane group (p=0.0001). CONCLUSIONS:In this population-based study, women who received capecitabine as first-line treatment for MBC had significantly lower costs compared to women starting taxane therapy.

journal_name

J Med Econ

journal_title

Journal of medical economics

authors

Camacho FT,Wu J,Wei W,Kimmick G,Anderson RT,Balkrishnan R

doi

10.3111/13696990903269673

subject

Has Abstract

pub_date

2009-09-01 00:00:00

pages

238-45

issue

eissn

1369-6998

issn

1941-837X

journal_volume

pub_type

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Cost impact of oral capecitabine compared to intravenous taxane-based chemotherapy in first-line metastatic breast cancer.