AbbVie’s pangenotypic combination of glecaprevir and pibrentasvir cured almost all of the hardest-to-treat genotype 3 hepatitis C patients -- those with cirrhosis or previous treatment experience -- in a Phase 2 trial, and looks suitable for use as an 8-week regimen for HCV genotypes 2, 4,5 and 6, according to results of studies presented at the AASLD Liver Meeting last week in Boston.