BASELINE/EARLY PRESENCE OF KNOWN AND NOVEL RESISTANCE MUTATIONS IS ASSOCIATED WITH VIRAL FAILURE IN DIFFICULT-TO-TREAT PATIENTS TREATED WITH FIRST GENERATION PROTEASE INHIBITORS

Cento, V; Di Maio, Vc; Di Paolo, D; Micheli, V; Tontodonati, M; De Leonardis, F; Aragri, M; Antonucci, Fp; Mancon, A; Armenia, D; Bellocchi, Mc; Lenci, I; Manunta, A; Taliani, G; Di Biagio, A; Nicolini, La; Nosotti, L; Sarrecchia, C; Siciliano, M; Landonio, S; Pellicelli, A; Gasbarrini, A; Vecchiet, J; Magni, Cf; Babudieri, S; Mura, Ms; Andreoni, M; Parruti, G; Rizzardini, G; Angelico, M; Perno, Cf; Ceccherini-Silberstein, F