Trends in utilization of antidepressants in twenty European Countries

ABSTRACT

Introduction: The use of antidepressants seems to be increasing in most countries worldwide, probably due to the increasing burden of stressful life (1). Apart from their therapeutic application, antidepressants are sometimes used as lifestyle drugs. Monitoring antidepressant usage is crucial to prevent unnecessary consumption and avoid adverse effects and additional costs (2). Objectives: The aim of this work was to study trends in antidepressants utilization in various European countries, and to note changes in their usage between the years 2013 and 2019, before the outbreak of COVID 19 pandemic. Methods: Data on antidepressants consumption in 20 European countries were collected from the Organization for Economic Cooperation and Development (OECD) data bases. Antidepressants consumption was expressed in Defined Daily Doses (DDDs) per 1,000 inhabitants per day, and calculations referred to years 2013 and 2019. Changes in antidepressants use during this six-year period in each European country were assessed. The statistical package SPSS (Chicago, IL, USA) was used for calculations. Results: There was a huge variation in antidepressants usage among the 20 countries of our study. The mean consumption of antidepressants was 52.67 DDDs per 1,000 inhabitants per day in 2013 (range 10.2-113.7 DDDs) and 62.51 DDDs per 1,000 inhabitants per day in 2019 (range 17.6-146.0 DDDs), with a mean increase of 9.84 DDDs per 1,000 inhabitants per day (18.68%) in just six years. The countries with the highest consumption of antidepressants in 2013 were Iceland (113.7 DDDs), Portugal (87.5 DDDs), Sweden (84.3 DDDs), Belgium (72.1 DDDs), Finland (69.4 DDDs) and Spain (65.2 DDDs). The countries with the highest consumption of antidepressants in 2019 were Iceland (146.0 DDDs), Portugal (123.7 DDDs), Sweden (102.7 DDDs), Spain (83.6 DDDs) and Belgium (81.9 DDDs). The countries with the lowest consumption of antidepressants in 2013 were Latvia (10.2 DDDs), Estonia (21.4 DDDs), Lithuania (24.7 DDDs), and Hungary (27,5 DDDs). The countries with the lowest consumption of antidepressants in 2019 were Latvia (17.6 DDDs), Hungary (29.5 DDDs), Estonia (34,8 DDDs) and Lithuania (35,4 DDDs). The use of antidepressants was increased in all European countries in the study period. There was only one exception Finland, being one the countries with the highest consumption of antidepressants, reduced their use by 13%. In the countries with the lowest consumption of antidepressants (Latvia, Estonia and Lithuania), the increase in antidepressants usage was higher than 40%. A similarly high increase (41.37%) was also observed in Portugal, which was second in antidepressant use in both years studied (2013 and 2019). The Countries with the lowest increase (less than 5%) were Austria, Norway and Luxemburg, which displayed an average consumption of antidepressants in the study period. Conclusion: There was a huge variation in antidepressants use among the 20 European countries of our study. A trend for increase in antidepressants use was observed in almost all countries during the six-year study period.