• Daniel A Goldstein, Bilal B Ahmad, Qiushi Chen, Turgay Ayer, David H Howard, Joseph Lipscomb, Bassel F El-Rayes, and Christopher R Flowers.
• Daniel A. Goldstein, Bilal B. Ahmad, David H. Howard, Joseph Lipscomb, Bassel F. El-Rayes, and Christopher R. Flowers, Emory University; and Qiushi Chen and Turgay Ayer, Georgia Institute of Technology, Atlanta, GA. dgolds8@emory.edu.
• J. Clin. Oncol. 2015 Nov 10; 33 (32): 3727-32.

PurposeRegorafenib is a standard-care option for treatment-refractory metastatic colorectal cancer that increases median overall survival by 6 weeks compared with placebo. Given this small incremental clinical benefit, we evaluated the cost-effectiveness of regorafenib in the third-line setting for patients with metastatic colorectal cancer from the US payer perspective.MethodsWe developed a Markov model to compare the cost and effectiveness of regorafenib with those of placebo in the third-line treatment of metastatic colorectal cancer. Health outcomes were measured in life-years and quality-adjusted life-years (QALYs). Drug costs were based on Medicare reimbursement rates in 2014. Model robustness was addressed in univariable and probabilistic sensitivity analyses.ResultsRegorafenib provided an additional 0.04 QALYs (0.13 life-years) at a cost of $40,000, resulting in an incremental cost-effectiveness ratio of $900,000 per QALY. The incremental cost-effectiveness ratio for regorafenib was > $550,000 per QALY in all of our univariable and probabilistic sensitivity analyses.ConclusionRegorafenib provides minimal incremental benefit at high incremental cost per QALY in the third-line management of metastatic colorectal cancer. The cost-effectiveness of regorafenib could be improved by the use of value-based pricing.© 2015 by American Society of Clinical Oncology.

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