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Cost-effectiveness of maintenance pemetrexed in patients with advanced nonsquamous-cell lung cancer from the perspective of the Swiss health care system.

Research paper by Klazien K Matter-Walstra, Markus M Joerger, Ursula U Kühnel, Thomas T Szucs, Bernhard B Pestalozzi, Matthias M Schwenkglenks

Indexed on: 24 Jan '12Published on: 24 Jan '12Published in: Value in Health



Abstract

A recent randomized study showed switch maintenance with pemetrexed after nonpemetrexed-containing first-line chemotherapy in patients with advanced nonsmall-cell lung cancer to prolong overall survival by 2.8 months. We examined the cost-effectiveness of pemetrexed in this indication, from the perspective of the Swiss health care system, and assessed the influence of the costs of best supportive care (BSC) on overall cost-effectiveness.A Markov model was constructed based on the pemetrexed maintenance study, and the incremental cost-effectiveness ratio (ICER) of adding pemetrexed until disease progression was calculated as cost per quality-adjusted life-year gained. Uncertainties concerning the costs of BSC on the ICER were addressed.The base case ICER for maintenance therapy with pemetrexed plus BSC compared to BSC alone was €106,202 per quality-adjusted life-year gained. Varying the costs for BSC had a marked effect. Assuming a reduction of the costs for BSC by 25% in the pemetrexed arm resulted in an ICER of €47,531 per quality-adjusted life-year, which is below predefined criteria for cost effectiveness in Switzerland.Switch maintenance with pemetrexed in patients with advanced nonsquamous-cell lung cancer after standard first-line chemotherapy is not cost-effective. Uncertainties on the resource use and costs for BSC have a large influence on the cost-effectiveness calculation and should be reported in more detail.

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