Pharmacokinetic Interaction Between Telaprevir and 1 Methadone 2 3
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Pharmacokinetic interaction between telaprevir and methadone.
Hepatitis C virus (HCV) antibody is present in most patients enrolled in methadone maintenance programs. Therefore, interactions between the HCV protease inhibitor telaprevir and methadone were investigated. The pharmacokinetics of R- and S-methadone were measured after administration of methadone alone and after 7 days of telaprevir (750 mg every 8 h [q8h]) coadministration in HCV-negative sub...
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Telaprevir (TVR) effects on P-glycloprotein and cytochrome P450 (CYP) may significantly elevate serum levels of morphine and methadone. Recent literature points to major interactions when combining TVR with warfarin or rifampin. Opioid interactions are especially dangerous in hepatitis C patients, as coinfection with human immunodeficiency virus (HIV) and hepatitis C virus (HCV) occurs in 50-90...
متن کاملTelaprevir and ribavirin interaction: higher ribavirin levels are not only due to renal dysfunction during triple therapy.
A higher incidence of anemia has been observed during the treatment of hepatitis C virus genotype 1 (HCV-1) infection with pegylated alpha interferon (pegIFN-α), ribavirin, and telaprevir. We assessed the impacts that concomitant administration of telaprevir and changes in the glomerular filtration rate have on ribavirin plasma levels. The minimum concentrations of ribavirin in plasma (ribaviri...
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BACKGROUND Opioid dependence and HIV/AIDS are 2 of the most serious yet treatable diseases worldwide. Global access to opioid agonist therapy and HIV treatment is expanding but when concurrently used, problematic pharmacokinetic drug interactions can occur. METHODS We reviewed English, Spanish, French, and Italian language articles from 1966 to 2005 in Medline using the following keywords: HI...
متن کاملTelaprevir: pharmacokinetics and drug interactions.
Telaprevir is an inhibitor of the HCV NS3/4A protease. When used in combination with pegylated interferon and ribavirin, telaprevir has demonstrated a substantial increase in sustained virological response compared with pegylated interferon and ribavirin used alone. Telaprevir has good oral bioavailability, which is enhanced when administered with food. Telaprevir is extensively metabolized and...
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تاریخ انتشار 2013