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Br J Dermatol. 2015 Dec;173(6):1462-70. doi: 10.1111/bjd.14152. Epub 2015 Nov 7.

A cost-effectiveness analysis of trametinib plus dabrafenib as first-line therapy for metastatic BRAF V600-mutated melanoma in the Swiss setting.

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Institute of Pharmaceutical Medicine (ECPM), University of Basel, Klingelbergstraße 61, Basel, CH-4056, Switzerland.
SAKK Coordinating Centre, Bern, Switzerland.
Department of Dermatology, University Hospital Zürich, Zürich, Switzerland.
Department of Oncology, University Hospital Zürich, Zürich, Switzerland.
Epidemiology, Biostatistics and Prevention Institute, University of Zürich, Zürich, Switzerland.



The treatment of patients with metastatic melanomas that harbour BRAF V600E or V600K mutations with trametinib plus dabrafenib appears to be superior to treatment with vemurafenib alone. This treatment regimen is likely to become available in Switzerland in the near future.


To determine the cost-effectiveness of trametinib plus dabrafenib.


A Markov cohort simulation was conducted to model the clinical course of typical patients with metastatic melanoma. Information on response rates, clinical condition and follow-up treatments were derived and transition probabilities estimated based on the results of a clinical trial that compared treatment with trametinib plus dabrafenib vs. vemurafenib alone.


Treatment with trametinib plus dabrafenib was estimated to cost an additional CHF199 647 (Swiss francs) on average and yield a gain of 0·52 quality-adjusted life years (QALYs), resulting in an incremental cost-effectiveness ratio of CHF385 603 per QALY. Probabilistic sensitivity analyses showed that a willingness-to-pay threshold of CHF100 000 per QALY would not be reached at the current US price of trametinib.


The introduction of trametinib in Switzerland at US market prices for the treatment of metastatic BRAF V600-mutated melanoma with trametinib plus dabrafenib is unlikely to be cost-effective compared with vemurafenib monotherapy. A reduction in the total price of the combination therapy is required to achieve an acceptable cost-effectiveness ratio for this clinically promising treatment.

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