Spanish Society of Hospital Pharmacy position paper on biosimilar medicines.

Biological medicines nowadays have a great impact, as they offer treatment for  diverse diseases and suppose a high cost for health system. Biosimilar medicines contain a version of an active substance already authorized as an original  biotechnological medicine, whose patent has expired, and they comply with the  guidelines published by the European Medicines Agency. These guidelines, where biosimilarity criteria are established, guarantee comparability between biosimilar product and reference one.