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Interferon-based regimens have excessive toxicity and decreased efficacy in patients coinfected with HIV and hepatitis C virus (HCV). New direct-acting anti-HCV drugs, including sofosbuvir, have shown efficacy in this setting, but data are limited. Results from the nonrandomized, open-label PHOTON-2 study have just been published.
In this industry-funded, phase III trial, investigators treated 275 HIV/HCV-coinfected adults in seven European countries with daily sofosbuvir and twice-daily weight-adjusted ribavirin. Sustained virologic response rates 12 weeks following therapy were 85%, 88%, 89%, and 84% for participants with genotype 1, 2, 3, or 4 HCV, respectively. Most treatment failures were due to side effects and patient issues unrelated…