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AbbVie pangenotypic combination cures almost all hard-to-treat people with HCV genotype 3
Keith Alcorn, 2016-11-16 11:50:00
AbbVie’s pangenotypic combination of glecaprevir and pibrentasvir cured almost all of the hardest-to-treat genotype 3 patients – those with cirrhosis and/or previous treatment experience – in a phase II trial, and looks suitable for use as an 8-week regimen in genotypes 2, 4,5 and 6, according to results of studies presented at the 2016 AASLD Liver Meeting this week in Boston.
AbbVie is developing the combination of glecepravir and pibrentasvir (G/P) as a pangenotypic regimen for hepatitis C treatment, to be dosed as a once-daily pill without ribavirin. AbbVie will seek licensing approval for the combination in the United States and European Union within the next few months.
Glecaprevir (ABT-493) is a hepatitis C virus (HCV) NS3/4A protease inhibitor active against all genotypes of hepatitis C. Pibrentasvir (ABT-530) is an NS5A inhibitor also active against all genotypes of HCV. Both agents are active against common variants that confer resistance to first-generation agents of their classes. ABT-493 is more potent against genotype 3 than other HCV protease inhibitors, including products being developed by Merck (grazoprevir) and Gilead (GS-9451), and ABT-530 has demonstrated higher potency than most other NS5A inhibitors across all genotypes.
Results of two phase II studies, in most-difficult-to-treat people with genotype 3 and of an 8-week treatment course, were presented at Sunday sessions of The Liver Meeting. Further data from phase III registrational studies are also being presented at the meeting and are reported separately.
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