Analysis of the interventions in antineoplastic therapy by a clinical pharmacy service at a tertiary hospital in Brazil.

Background: Medication errors are avoidable occurrences that can assume clinically significant dimensions and impose relevant costs to the health system, especially in the context of antineoplastic therapy.

Objective: Assess the clinical significance and economic impacts of a clinical pharmaceutical service. This retrospective study consists of an analysis of pharmacy interventions and drug-related problems found in a review of electronic prescriptions referring to antineoplastic therapy of a public teaching tertiary hospital in Brazil.