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- W2943848164 abstract "Abstract Egypt has the highest prevalence of hepatitis C virus (HCV) in the world thus it launched a national program for eliminating HCV aiming to treat 300,000 HCV patients per year. Three anti-HCV co-administered drugs; ribavirin (RBV), sofosbuvir (SF) daclatasvir (DAC) were simultaneously determined in human plasma by a validated, simple and sensitive RP-HPLC method using propyl paraben as an internal standard. Liquid–liquid extraction using ethyl acetate was used for samples extraction. Chromatographic separation was achieved on Scharlau® C18 column (250 × 4.6 mm2, 5 μm). Gradient elution was employed with a mobile phase mixture of water and acetonitrile at a flow rate 1 mL/min. UV detection using photodiode array detector was carried out at 207, 260 and 312 nm for RBV, SF and DAC, respectively. Method validation was performed according to the FDA guidelines for bioanalytical method validation. The calibration curves were linear over the ranges (0.5–80, 0.1–40 and 0.5–80 μg/mL) with average recoveries (100.64–108.28%, 98.48–105.91% and 97.68–101.38%) for RBV, SF and DAC, respectively. The intra-day and inter-day precision and accuracy results were within the acceptable limits. Stability assays revealed that the three studied analytes were stable during sample storage, preparation and injection. The method can be successfully applied in routine analysis of plasma of HCV patients treated with this combination therapy which aids in therapeutic drug monitoring and patients’ follow-up especially in Egypt and other developing countries fighting HCV." @default.
- W2943848164 created "2019-05-16" @default.
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- W2943848164 date "2019-05-07" @default.
- W2943848164 modified "2023-09-27" @default.
- W2943848164 title "Validated RP-HPLC Method for Simultaneous Determination of Ribavirin, Sofosbuvir and Daclatasvir in Human Plasma: A Treatment Protocol Administered to HCV Patients in Egypt" @default.
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- W2943848164 doi "https://doi.org/10.1093/chromsci/bmz038" @default.
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