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Adaptation to Colombia and Venezuela of the economic model Dasatinib first-line treatment of chronic myeloid leukemia, developed by the York Health Economics Consortium

Adaptación a Colombia y Venezuela del modelo económico dasatinib primera línea del York Health Economics Consortium para el tratamiento de la leucemia mieloide crónica


Objective: To adapt an economic model of frontline dasatinib treatment for chronic myeloid leukemia developed by the York Consortium to the health care settings in Colombia and Venezuela. Methods: The original model considered treatment of naïve patients with CML and a Markov's model with probabilities of change between chronic, accelerated phases and death, over a patient’s lifetime. The applied discount rate is 3.5% for both costs and benefits. Direct medical and treatment costs, and mortality rates were taken from the local published data and WHO life tables. Costs are expressed in 2011 Colombian pesos and Venezuelan strong bolivars. Results: Dasatinib 100 mg/day as frontline treatment for CML produced the greatest number of QALYs, both in Colombia and Venezuela with 10.67 and 10.53 QALYs respectively, compared with 10.10 and 9.97 QALYs for imatinib and 10.50 and 10.36 QALYs for nilotinib. The expected cost per QALY in Colombia was $ 108.174.020 for dasatinib, $ 80.826.556 for imatinib and $ 134.747.281 for nilotinib. The expected cost per QALY in Venezuela was BsF 222.970 for dasatinib, BsF 213.142 for imatinib and BsF 269.193 for nilotinib. Dasatinib was dominant to nilotinib in both countries. Conclusions: In the frontline treatment for CML in Colombia and Venezuela, dasatinib had greater QALYs than both imatinib and nilotinib, and demonstrated cost-effectiveness relative to nilotinib. There was an increase in overall costs, due to the increase in life years gained and thus a greater use of overall health care resources.