Cancer is widespread disease with high costs of treatment and a large number of deaths. Only in 2014, cancer deaths accounted for almost 1.3 million deaths in Europe, making the disease ranked second in terms of mortality. Beside mortality, the incidence of cancer is very high; consequently treatment costs are also high and rising. In 1995, the costs of cancer treatment in Europe were EUR 35.7 billion and by 2014, the reached as high as EUR 83.2 billion. Of this, EUR 19.1 billion were spent on cancer medicines.
The purpose of our work is to describe and analyse the trends in prices of those oncology medicines, which have two or more medicines with the same active ingredient in the Slovenian market during the period between 2006 and 2017. We will analyse price trends and try to find reasons for price changes.
For the selection of medicines, we first used a collection of registered medicines under a centralized procedure led by EMA. We only used medicines that were on Slovenian market at the end of 2017. Then, from Centralna baza zdravil (CBZ), we added other oncological medicines that are present on the Slovenian market and were registered in a decentralized procedure, a national procedure, mutual recognition, or are on the market as urgent unregistered medicinal products.
We compared both the maximum allowed prices (NDCs), as well as the trends of actual prices of medicines. NDCs were obtained from CBZ.
The reasons for the changes of NDCs were marked in pictures and divided into five groups; the arrival of (additional) generic, the arrival of a new medicine, discovered new indication or extension of already known, the occurrence of a new adverse effect and other.
We have found that trends of actual prices follow the trends of NDCs and we have therefore described the movements of NDCs. Within the selected time period, 124 changes of NDCs in 56 from a total of 71 medicines occurred. NDCs for two medicines increased, for 54 medicines NDCs dropped, while the others remained unchanged. The most common reason for changing NDCs is the arrival of new original medicines with 44 changes. This is followed by the arrival of new generics with 32 changes. We also found that, relative to the values of NDCs, the changes in original medicines changed more than in generics.
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