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Article citations


Coleman, R., De Boer, R., Eidtmann, H., Llomart, A., Davidson, N., Neven, P., et al. (2013) Zoledronic Acid (Zoledronate) for Postmenopausal Women with Early Breast Cancer Receiving Adjuvant Letrozole (Z0-FAST Study): Final 60-Month Results. Annals of Oncology, 24, 398-405.

has been cited by the following article:

  • TITLE: Cost-Effectiveness Analysis of Neoadjuvant Chemotherapy with Zoledronic Acid for HER2-Negative Breast Cancer in Japan: The JONIE1 Study

    AUTHORS: Kyoko Nakazawa, Shota Saito, Masayuki Nagahashi, Akimitsu Yamada, Akira Toyama, Kouhei Akazawa

    KEYWORDS: Cost-Effectiveness, Incremental Cost-Effectiveness Ratio (ICER), Quality-Adjusted Life Year (QALY), Chemotherapy, HER2-Negative Breast Cancer

    JOURNAL NAME: Health, Vol.11 No.8, August 13, 2019

    ABSTRACT: Objective: Zoledronic acid (ZOL) is a nitrogen-containing bisphosphonate that induces osteoclast apoptosis and inhibits bone resorption. Adding ZOL to neoadjuvant chemotherapy has been shown to have potential anticancer benefits in women with HER2-negative breast cancer. The objective of the present study was to investigate ZOL’s cost-effectiveness from the perspective of health care payers in Japan. Methods: A Markov model was developed to evaluate the costs and effectiveness associated with ZOL + chemotherapy (CTZ) and chemotherapy (CT) alone over a 10-year time horizon. Monthly transition probabilities were estimated according to JONIE1 (Japan Organization of Neoadjuvant Innovative Expert) Study data and an extrapolated Weibull model. Health outcomes were measured in quality-adjusted life years (QALYs). Costs were calculated using year-2018 Japanese yen (JPY) (1.00 US dollars (USD) = 110.4 JPY). Model robustness was addressed through one-way and probabilistic sensitivity analysis. The costs and QALYs were discounted at a rate of 2% per year. Results: In the base case, the use of CTZ was associated with a gain of 3.94 QALYs. The incremental cost per QALY of the CTZ gain was 681,056.1 JPY (6168.99 USD) per QALY. Conclusion: It is convincing that neoadjuvant CTZ for patients with breast cancer would be expected to have statistically significant clinical efficacy. Addition of ZOL to CT might be a cost-effective option compared with CT alone.