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Aims. To perform a simple medication review on patient’s medication records and identify clusters that enable the definition of an algorithm to tailor pharmacy professional interventions.

Methods. Exploratory retrospective observational study performing a simple medication review to electronic patient records. A convenience sample was used, extracted from the database of EMR of a community pharmacy located in the district of Lisbon, Portugal. The inclusion criteria were: records of continuous therapy in 12 months (June 2017-July 2018); use of two or more chronic prescription medications. Statistical analysis used a two-step cluster to identify common characteristics among patients.

Results. The medication review included 55 patients. 54.5% were female and 45.5% were male. The median of age was 68 years [IQR: 55.0–77.0]. The median number of drugs used per patient was 5.0 [IQR: 3.0–7.0]. The variables …