ArticleDrug and alcohol dependence2014
The impact of lifetime drug use on hepatitis C treatment outcomes in insured members of an integrated health care plan.
Article in Drug and alcohol dependence, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed, 3 citations in OpenAlex.
- Patient adherence issues in the treatment of hepatitis C.Patient preference and adherence · 2014Review
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundThe relation of drug use to HCV treatment outcome in an insured household population has not been previously reported.
methodsLifetime frequencies of marijuana use and non-medical use of stimulants, sedatives, and opioids; hallucinogens; and inhalants were retrospectively assessed in 259 privately insured members of an integrated health care plan treated for chronic hepatitis C virus infection (HCV+) with pegylated interferon alpha and ribavirin and examined with respect to rates of sustained virological response (SVR).
resultsThe majority of patients reported chronic use of multiple illegal drugs; 61.6% reported injection drug use (IDU); 79.5% abstained from drug use during the six months prior to HCV treatment. Total frequency of individual drugs, multiple drugs, and length of abstention from drugs prior to HCV treatment were not related to impaired SVR rates. Sustained viral responses were obtained in 80.2% of patients with HCV genotype 2/3 and 45.1% of patients with genotype 1/4/6. Marijuana use during HCV treatment, reported by 8.5% of patients, was associated with higher treatment adherence (95.5% compared with 78.9%, p=0.045), but lower SVR rates (40.9% compared with 62.5%, p=0.041). In addition, drug use during HCV treatment was associated with significantly higher relapse rates, 18.8% compared with 7.7% (p=0.053).
conclusionA history of chronic illegal drug use should not be considered a deterrent to HCV treatment in members of an integrated health care plan who are motivated to seek treatment and closely monitored, but drug use during HCV treatment, including marijuana use, should be discouraged.
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