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  4. Addition of ribavirin to daclatasvir plus asunaprevir for chronic hepatitis C 1b patients with baseline NS5A resistance-associated variants improved response
 
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Addition of ribavirin to daclatasvir plus asunaprevir for chronic hepatitis C 1b patients with baseline NS5A resistance-associated variants improved response

Journal
Journal of the Formosan Medical Association
Journal Volume
116
Journal Issue
4
Pages
295-299
Date Issued
2017
Author(s)
CHUN-MING HONG  
CHUN-JEN LIU  
Shiou-Hwei Yeh  
PEI-JER CHEN  
DOI
10.1016/j.jfma.2016.11.014
URI
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85009179157&doi=10.1016%2fj.jfma.2016.11.014&partnerID=40&md5=4a9e8a2bea3c2e661391fe0844af5247
https://scholars.lib.ntu.edu.tw/handle/123456789/566836
Abstract
Background/purpose Daclatasvir is a nonstructural protein 5A inhibitor with potent activity against hepatitis C virus genotypes 1–6 in?vitro, and asunaprevir is a nonstructural protein 3 protease inhibitor with activity against genotypes 1, 4, 5, and 6. Despite a 90% sustained virologic response (SVR) rate, the SVR rate in patients with baseline NS5A-L31/Y93H polymorphisms decreased to around 40%. Therefore, an alternative regimen under the consideration of cost-effectiveness would be important. Whether the addition of ribavirin could improve the SVR rate among this group of patients remains unknown and hence our case series was reported. Methods For six adult chronic hepatitis C 1b patients with a pre-existing NS5A-Y93H (>20%) polymorphism, we added ribavirin (800?mg/d) to daclatasvir/asunaprevir for 24 weeks and followed through 12-weeks post-treatment. Four of these patients received interferon/ribavirin treatment before but relapsed, while the other two were na?ve cases. Two of them had liver cirrhosis and one had hepatocellular carcinoma postcurative therapy. The primary efficacy end-point was undetectable hepatitis C virus RNA (hepatitis C virus RNA level of?
SDGs

[SDGs]SDG3

Other Subjects
alanine aminotransferase; asunaprevir; creatinine; daclatasvir; nonstructural protein 5A; peginterferon; ribavirin; virus RNA; antivirus agent; asunaprevir; BMS-790052; imidazole derivative; isoquinoline derivative; NS-5 protein, hepatitis C virus; ribavirin; sulfonamide; viral protein; adult; adverse outcome; aged; Article; Child Pugh score; chronic hepatitis C; clinical article; decompensated liver cirrhosis; drug efficacy; drug safety; female; fever; flushing; follow up; hematocrit; Hepatitis C virus subtype 1b; human; liver cell carcinoma; male; middle aged; open study; pruritus; sustained virologic response; Taiwanese; treatment duration; treatment response; virus load; antiviral resistance; combination drug therapy; drug effects; genetic polymorphism; genetics; genotype; Hepacivirus; Hepatitis C, Chronic; liver cirrhosis; Taiwan; Aged; Antiviral Agents; Drug Resistance, Viral; Drug Therapy, Combination; Female; Genotype; Hepacivirus; Hepatitis C, Chronic; Humans; Imidazoles; Isoquinolines; Liver Cirrhosis; Male; Middle Aged; Polymorphism, Genetic; Ribavirin; Sulfonamides; Taiwan; Viral Load; Viral Nonstructural Proteins
Publisher
Elsevier B.V.
Type
journal article

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