AI Article Synopsis
- People who inject drugs (PWID) in Georgia, where hepatitis C virus (HCV) prevalence is high, were studied to assess their adherence to treatment and outcomes.
- An observational study found that 98% of the 244 participants completed their treatment, and 84.8% achieved sustained virologic response (SVR), with adherence being a key factor in success.
- The study concludes that with peer support and a simple treatment regimen, PWID can achieve good treatment outcomes, showing that concerns about adherence may be overstated.
Article Abstract
Background: People who inject drugs (PWID) are often excluded from HCV treatment programs due to concerns about their ability to adhere to care. Georgia has a high prevalence of HCV infection (5.4% of chronic cases in general population) with an epidemic concentrated among PWID. We evaluated adherence to care and sustained virologic response (SVR) among PWID in Georgia.
Methods: In this observational study, participants with recent injecting drug use (previous 6 months) and chronic HCV attending a needle- and syringe-program were included. Participants received sofosbuvir and ribavirin +/- pegylated interferon, with peer-based support during treatment. The primary endpoint was undetectable HCV RNA 12 weeks post-treatment (SVR12). Factors associated with SVR were assessed using logistic regression.
Results: Among 244 participants [HCV genotype (GT) 3, 52%; GT2, 25%; GT1, 19%; mixed GT, 4%]; 55% had cirrhosis. Overall, 24% were receiving OST and 50% injected drugs in the previous month. 98% (239 of 244) completed treatment, with 88% (210 of 239) having never delayed a medical appointment and 79% (189 of 239) never missing a dose of medication. Overall, SVR was 84.8% (207 of 244). SVR was 88.5% (207 of 234) among participants who attended 12-week follow up appointment for HCV RNA testing. In multivariate analyses, SVR was significantly associated with adherence (no missed doses) to treatment [vs. missed doses; adjusted OR (aOR) 2.77; 95% confidence interval (95%CI), 1.01-7.51), and genotype (vs. GT1; GT2, aOR 0.27; 95%CI 0.06-1.21; GT3, aOR 1.09; 95%CI 0.27-4.50; and mixed GT, aOR 0.14; 95%CI 0.02-0.97).
Conclusion: In this real-life study in a middle-income country, PWID treated for HCV and receiving a simple peer-support intervention demonstrated an excellent treatment response and good adherence, not associated with injecting drug use during treatment and OST at treatment initiation.
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| http://dx.doi.org/10.1016/j.drugpo.2018.07.016 | DOI Listing |
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