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Purpose Outcomes with direct-acting antivirals (DAAs) for the treatment of hepatitis C virus (HCV) genotypes 1–4 were determined.
Methods A total of 360 patients at 36 clinical sites in Massachusetts with HCV genotypes 1–4 and a prescription for at least one DAA medication between May 2011 and October 2015 were included. The primary investigator completed a retrospective and concurrent chart review, and data were collected through April 2016.
Results A total of 446 patients were assessed for eligibility into the study, with 86 patients excluded. The majority of patients were white males with genotype 1 infection. About half of the patients were treatment naive (TN), and 40% of patients had documented cirrhosis. TN patients without cirrhosis had the highest overall sustained virologic response (SVR) rate at 107 of 109 (98.2%), followed by treatment-experienced (TE) patients without cirrhosis at 59 of 63 (93.7%), TN patients with cirrhosis at 40 of 46 (87.0%), and TE patients with cirrhosis at 64 of 79 (81.0%) when boceprevir- and telaprevir-containing regimens were excluded. A total of 7 of 360 (1.9%) patients reported missing at least one dose of medication. Adverse drug reactions reported in the electronic medical record (EMR) were collected for analysis and included patients who received at least one dose of medication and had adequate EMR documentation.
Conclusion In patients treated with DAAs for infection with HCV genotypes 1–4, variables favoring achievement of SVR included an age of <45 years, a body mass index of <25 kg/m2, absence of cirrhosis, a fibrosis score of 0–2, and being TN.
The authors have declared no potential conflicts of interest.
- Copyright © 2017 by the American Society of Health-System Pharmacists, Inc. All rights reserved.