“…Our finding of a significantly better SVR of genotype 1 infected DUs treated by buprenorphine as compared to methadone remains to be explored in a prospective study exploring that difference (73). An "à la carte" adaptation of the duration of treatment has been proposed for genotype 1 following the time of RNA clearance at 4, 12 or 32 weeks followed by respective treatment duration of 24, 48 or 72 weeks which has been confirmed for HIV/HCV coinfections (74,75). For patients with advanced diseases, treatment has been completed thanks to the use of growth factors which improved their tolerance (76)).…”