Journal of hepatology · 2015
Drug-drug interaction profile of the all-oral anti-hepatitis C virus regimen of paritaprevir/ritonavir, ombitasvir, and dasabuvir.
Клиническое исследование I фазыСтатьяМногоцентровое исследованиеРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Menon Rajeev M, Badri Prajakta S, Wang Tianli, Polepally Akshanth R, Zha Jiuhong, Khatri Amit, Wang Haoyu, Hu Beibei, Coakley Eoin P, Podsadecki Thomas J, Awni Walid M, Dutta Sandeep
Аннотация
BACKGROUND & AIMS: Paritaprevir (administered with ritonavir, PTV/r), ombitasvir (OBV), and dasabuvir (DSV) are direct-acting antiviral agents (DAAs) for the treatment of chronic hepatitis C virus (HCV) infection. Thirteen studies were conducted to characterize drug-drug interactions for the 3D regimen of OBV, PTV/r, and DSV and various medications in healthy volunteers to inform dosing recommendations in HCV-infected patients.
METHODS: Mechanism-based drug-drug interactions were evaluated for gemfibrozil, ketoconazole, carbamazepine, warfarin, omeprazole, digoxin, pravastatin, and rosuvastatin. Drug-drug interactions with medications commonly used in HCV-infected patients were evaluated for amlodipine, furosemide, alprazolam, zolpidem, duloxetine, escitalopram, methadone, buprenorphine/naloxone, and oral contraceptives. Ratios of geometric means with 90% confidence intervals for maximum plasma concentration (Cmax) and area under the plasma concentration-time curve (AUC) were used to determine the magnitude of interaction.
RESULTS: Coadministration with the 3D regimen of OBV, PTV/r, and DSV resulted in a <2-fold change in mean Cmax and AUC for most medications and the DAAs, indicating minimal to modest interactions. Carbamazepine decreased PTV, ritonavir, and DSV exposures substantially, while gemfibrozil increased DSV exposures substantially. Although coadministration with ethinyl estradiol-containing contraceptives resulted in elevated alanine aminotransferase levels, coadministration with a progestin-only contraceptive did not.
CONCLUSIONS: The majority of medications can be coadministered with the 3D regimen of OBV, PTV/r, and DSV without dose adjustment, or with clinical monitoring or dose adjustment. Although no dose adjustment is necessary for the 3D regimen when coadministered with 17 of the 20 medications, coadministration with gemfibrozil, carbamazepine, or ethinyl estradiol-containing contraceptives is contraindicated.
METHODS: Mechanism-based drug-drug interactions were evaluated for gemfibrozil, ketoconazole, carbamazepine, warfarin, omeprazole, digoxin, pravastatin, and rosuvastatin. Drug-drug interactions with medications commonly used in HCV-infected patients were evaluated for amlodipine, furosemide, alprazolam, zolpidem, duloxetine, escitalopram, methadone, buprenorphine/naloxone, and oral contraceptives. Ratios of geometric means with 90% confidence intervals for maximum plasma concentration (Cmax) and area under the plasma concentration-time curve (AUC) were used to determine the magnitude of interaction.
RESULTS: Coadministration with the 3D regimen of OBV, PTV/r, and DSV resulted in a <2-fold change in mean Cmax and AUC for most medications and the DAAs, indicating minimal to modest interactions. Carbamazepine decreased PTV, ritonavir, and DSV exposures substantially, while gemfibrozil increased DSV exposures substantially. Although coadministration with ethinyl estradiol-containing contraceptives resulted in elevated alanine aminotransferase levels, coadministration with a progestin-only contraceptive did not.
CONCLUSIONS: The majority of medications can be coadministered with the 3D regimen of OBV, PTV/r, and DSV without dose adjustment, or with clinical monitoring or dose adjustment. Although no dose adjustment is necessary for the 3D regimen when coadministered with 17 of the 20 medications, coadministration with gemfibrozil, carbamazepine, or ethinyl estradiol-containing contraceptives is contraindicated.
Предметные рубрики MeSH
2-NaphthylamineAdministration, OralAdolescentAdultAnilidesAntiviral AgentsCarbamatesCyclopropanesDrug InteractionsDrug Therapy, CombinationFemaleHepacivirusHepatitis C AntibodiesHepatitis C, ChronicHumansLactams, MacrocyclicMacrocyclic CompoundsMaleMiddle AgedProlineRitonavirSulfonamidesUracilValineYoung Adult