Cost evolution of biological drugs in rheumatoid arthritis patients in a tertiary hospital: Influential factors on price Mariángeles González Fernández, Elena Villamañán, Inmaculada Jiménez-Nácher, Francisco Moreno, Chamaida Plasencia, Francisco Gayá, Alicia Herrero, Alejandro Balsa

Cost Analysis of Biologic Drugs in Rheumatoid Arthritis First Line Treatment After Methotrexate Failure According to Patients’ Body Weight José Andrés Román Ivorra, José Ivorra, Emilio Monte-Boquet, Cristina Canal, Itziar Oyagüez, Manuel Gómez-Barrera

Predictors of response to biologic therapies in rheumatoid arthritis Lara M. Chaves Chaparro, Juan Salvatierra Ossorio, Enrique Raya Álvarez