Drug information center: challenges of the research process to answer enquiries in hospital pharmaceutical practices.

Objective: To characterise information requests (IRs) from hospitals received by a drug information center (DIC-RS) according to the resolution of the inquiries.

Method: The sample consisted of all requestors and their respective IRs registered in the DIC-RS database from January 2012 to December 2016. Request without information in the consulted literature (RWI) were categorised according to the institution of origin.