Since 2014 several direct-acting antivirals (DAAs) have been made available, allowing interferon-free antiviral treatments with high sustained virological response rates. Side effects are, however, a real challenge during treatment. Sarkar et al. recently published a case of colitis following initiation of sofosbuvir and simeprevir for genotype 1 hepatitis C. We report the case of a patient with no prior history of inflammatory bowel disease, who developed significant bloody diarrhea within 3 weeks of sofosbuvir/simeprevir/ribavirin initiation. Colonoscopy and biopsy suggested a drug-induced colitis.
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http://dx.doi.org/10.1007/s15010-016-0915-x | DOI Listing |
Arq Gastroenterol
January 2025
Universidade Federal de São Paulo, São Paulo, SP, Brasil.
Background: Liver biopsy (LB) is still the gold standard method for assessing hepatic fibrosis (HF), associated diseases, and liver inflammation. Nowadays, noninvasive techniques such as Acoustic radiation force impulse (ARFI) elastography have been introduced instead of liver biopsy. However, there are controversies about the time it should be performed after treatment for hepatitis C virus (HCV).
View Article and Find Full Text PDFSpectrochim Acta A Mol Biomol Spectrosc
February 2025
Addiction and Neuroscience Research Unit, Health Science Campus, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia. Electronic address:
Velpatasvir and simeprevir are two direct acting antivirals that are often used in combination with sofosbuvir to treat HCV infections. Herein, an environmentally benign spectrofluorimetric method was developed for simultaneous quantification of velpatasvir and simeprevir in pharmaceutical and plasma samples. To address the issue of overlapping fluorescence spectra presented by these compounds, this method integrates synchronous fluorescence and second-derivative spectroscopy.
View Article and Find Full Text PDFArch Virol
February 2024
Tropical Medicine Department, Tanta University, Tanta, Egypt.
Diagnostics (Basel)
September 2023
Department of Laboratory Medicine, Faculty of Applied Medical Sciences, Al-Baha University, Al-Baha 65522, Saudi Arabia.
Hepatitis C virus (HCV) is a hepatotropic virus that affects millions of human lives worldwide. Direct-acting antiviral (DAA) regimens are the most effective HCV treatment option. However, amino acid substitution-dependent resistance to DAAs has been a major challenge.
View Article and Find Full Text PDFBMC Chem
July 2023
Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Menoufia University, Shebin El-Kom, Menoufia, Egypt.
The present work was developed to create three rapid, simple, eco-friendly, cheap spectrophotometric methods for concurrent assay of Sofosbuvir (SOF) and Simeprevir (SMV) in their pure, laboratory prepared mixture and pharmaceutical dosage form with high degree of accuracy and precision. Three methods were developed including iso-absorptive point, ratio subtraction and dual wavelength. The linear range of the proposed methods was 3.
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