Welcome to the website of SpainUDP, the Undiagnosed Rare Diseases Program of the Institute of Rare Diseases Research (IIER). The IIER is a centre of the Institute of Health Carlos III (ISCIII) since 2003 and it is part of the Sub-Directorate General for Applied Services, Training And Research (SGSAFI). The ISCIII is the main Governmental Public Research Entity funding, managing and carrying out biomedical research in Spain.

The aim of the SpainUDP Program is to be able to offer a diagnosis to those patients that suffer from a rare disease and have not been able to obtain the name and/or cause of their disease. The IIER collaborates with other groups and Networks and it is a full member of the UDNI since the begining, Sept. 2014. See Collaborations section in this website.