Psychotropic drug use in Italy, 1984-99: the impact of a change in reimbursement status

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Abstract
After years of corruption surrounding drug reimbursement, in 1994, a change in drug reimbursement status was implemented in Italy according to cost-effectiveness criteria. The aim of this study was to assess the impact of these changes on the use of psychotropic drugs. National trends in antipsychotic, antidepressant and benzodiazepine prescriptions were analysed from 1984 to 1999. During the study period, prescriptions of antipsychotic drugs were stable from 1984 to 1994 but, in the subsequent 5 years, increased by 54%. Although the use of atypical compounds in 1999 accounted for only 6% of total antipsychotics sold, the cost of these new drugs accounted for almost one-half the total antipsychotic expenditure. The use of benzodiazepines increased by 53%. In 1999, the psychotropic drugs lorazepam and alprazolam were the most sold by value. From 1984 to 1999, the total antidepressants sold increased by 55%. Although the use of selective serotonin reuptake inhibitors and newer antidepressants in 1999 accounted for less than 50% of total antidepressants sold, the cost of these drugs accounted for 65% of total antidepressant expenditure. This analysis highlights specific areas of concern which should become the object of public health programs.