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Farmacia Hospitalaria

versión On-line ISSN 2171-8695versión impresa ISSN 1130-6343

Resumen

GONZALEZ GARCIA, Jonathan et al. Cost-effectiveness of pemetrexed in combination with cisplatin as first line treatment for patients with advanced non-squamous non-small-cell lung cancer in Spain. Farm Hosp. [online]. 2017, vol.41, n.1, pp.3-13. ISSN 2171-8695.  http://dx.doi.org/10.7399/fh.2017.41.1.10142.

Introduction:

Lung cancer is the third most frequent neoplas-tic tumour in Spain, with around 27 000 new cases diagnosed per year; 80-95% of these are non-small-cell cancer (NSCLC), and the majority of cases are diagnosed in advanced stages of the disease, and for this reason it is one of the oncologic conditions with higher mortality rates (21.4% mean survival at 5 years).

The main treatment regimens used for first-line treatment of NSCLC are: cisplatin/pemetrexed (cis/pem), cisplatin/gemcita-bine/bevacizumab (cis/gem/bev), and carboplatin/paclitaxel/ bevacizumab (carb/pac/bev). The objective of this study was to evaluate the cost-effectiveness ratio of antineoplastic 1st line NSCLC treatment regimens, from the point of view of hospital management.

Methodology:

A cost-efficacy mathematical model was prepa-red, based on a decision tree. The efficacy variable was Pro-gression Free Survival, obtained from the PARAMOUNT, AVAIL and SAIL Phase III clinical trials. The study was conducted from the perspective of the hospital management, considering only the direct costs of drug acquisition. A deterministic sensitivity analysis was conducted to confirm the robustness of outco-mes.

Results:

The PFS obtained in clinical trials with cis/pem, cis/ gem/bev and carb/pac/bev was: 6.9, 6.7 and 6.2 months, res-pectively. Based on our model, the mean cost of treatment per patient for these regimens was: 19 942 €, 15 594 € and 36 095 €, respectively. The incremental cost-effectiveness ratio per month of additional PFS between cis/pem and cis/gem/bev was 19 303 €. Estimating a 30% reduction in acquisition costs for pemetrexed (Alimta®Eli Lilly Nederland B.V.), due to the forthcoming launch of generic medications, the cis/pem treat-ment would become the predominant alternative for 1st line treatment of NSCLC patients, by offering the best health re-sults at a lower cost.

Palabras clave : Non-small-cell lung cancer; Cost-effectiveness; Economic evaluation; Cisplatin; Pemetrexed; Bevacizumab.

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