Cost-efficacy of acceleration partial-breast irradiation compared with whole-breast irradiation
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The purpose of this study was to analyze the cost-efficacy of multiple accelerated partial-breast irradiation (APBI) techniques compared with whole breast irradiation (WBI) delivered utilizing 3-dimensional conformal radiotherapy (3D-CRT) and intensity-modulated radiation therapy (IMRT). A previously reported matched-pair analysis consisting of 199 patients receiving WBI and 199 patients receiving interstitial APBI formed the basis of this analysis. Cost analyses included a cost minimization analysis, incremental cost- effectiveness ratio (ICER) analysis, and cost per quality adjusted life year (QALY) analysis. Per 1,000 patients treated, the cost savings with the utilization of APBI compared to WBI IMRT is $14.9 million, $10.9 million, $8.8 million, $5.0 million, and $9.7 million for APBI 3D-CRT, APBI IMRT, APBI single-lumen (SL), APBI multi-lumen (ML), and APBI interstitial, respectively. Per 1,000 patients treated, the cost savings with the utilization of APBI compared to WBI 3D-CRT is $6.0 million, $2.0 million, and $0.7 million for APBI 3D-CRT, APBI IMRT, and APBI interstitial, respectively. The cost per QALY for APBI SL, APBI ML, and APBI interstitial compared with APBI 3D-CRT are $12,273, $66,032, and $546, respectively. When incorporating non-medical costs and cost of recurrences the cost per QALY was $54,698 and $49,009 for APBI ML compared with APBI 3D-CRT. When compared to WBI IMRT, all APBI techniques are cost-effective based on cost minimization, ICER, and QALY analyses. When compared to WBI 3D-CRT, external beam APBI techniques represent a more cost-effective approach based on cost minimization with brachytherapy representing a cost-effective approach based on cost per QALY.
KeywordsAccelerated partial-breast irradiation Breast cancer Whole breast irradiation Breast conservation therapy Cost-efficacy
Conflict of interest
All authors have no conflicts of interest.
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