[Measurement of continuous improvement in the safety of oncologic patients].

Objective: To analyze continuous improvement in the safety of oncologic patients through the change of quality indicators established with the implementation of a quality management system (QMS) according to the ISO 9001-2008 regulation at a oncologic pharmacy unit (OPU).

Method: Prospective and observational study carried out between January of 2008 and December of 2011. The ISO 9001-2008 certification of the OPU included the proceedings of electronic prescription,validation, preparation, delivery, and administration of the antineoplastic therapy.