期刊
ANNALS OF INTERNAL MEDICINE
卷 161, 期 9, 页码 617-U112出版社
AMER COLL PHYSICIANS
DOI: 10.7326/M14-0227
关键词
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资金
- Agency for Healthcare Research and Quality
Background: Gout is the most common inflammatory arthritis in the United States. Objective: To evaluate the cost-effectiveness of urate-lowering treatment strategies for the management of gout. Design: Markov model. Data Sources: Published literature and expert opinion. Target Population: Patients for whom allopurinol or febuxostat is a suitable initial urate-lowering treatment. Time Horizon: Lifetime. Perspective: Health care payer. Intervention: 5 urate-lowering treatment strategies were evaluated: no treatment; allopurinol-or febuxostat-only therapy; allopurinol-febuxostat sequential therapy; and febuxostat-allopurinol sequential therapy. Two dosing scenarios were investigated: fixed dose (80 mg of febuxostat daily, 0.80 success rate; 300 mg of allopurinol daily, 0.39 success rate) and dose escalation (<= 120 mg of febuxostat daily, 0.82 success rate; <= 800 mg of allopurinol daily, 0.78 success rate). Outcome Measures: Discounted costs, discounted quality-adjusted life-years, and incremental cost-effectiveness ratios. Results of Base-Case Analysis: In both dosing scenarios, allopurinol-only therapy was cost-saving. Dose-escalation allopurinol-febuxostat sequential therapy was more costly but more effective than dose-escalation allopurinol therapy, with an incremental cost-effectiveness ratio of $39 400 per quality-adjusted life-year. Results of Sensitivity Analysis: The relative rankings of treatments did not change. Our results were relatively sensitive to several potential variations of model assumptions; however, the cost-effectiveness ratios of dose escalation with allopurinol-febuxostat sequential therapy remained lower than the willingness-to-pay threshold of $109 000 per quality-adjusted life-year. Limitation: Long-term outcome data for patients with gout, including medication adherence, are limited. Conclusion: Allopurinol single therapy is cost-saving compared with no treatment. Dose-escalation allopurinol-febuxostat sequential therapy is cost-effective compared with accepted willingness-to-pay thresholds.
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