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Canadian Journal of Gastroenterology and Hepatology

Canadian Journal of Gastroenterology and Hepatology / 2019 / Article / Tab 5

Research Article

Real World Experience of Chronic Hepatitis C Retreatment with Genotype Specific Regimens in Nonresponders to Previous Interferon-Free Therapy

Table 5

Possible reason of nonresponse to rescue therapy.
PatientGTFPrimary therapyOut comeSecondary therapyETRMonths between therapiesRASComments
134OBV/PTV/r
+DSV+RBV
12 weeks		RELLDV/SOF
+RBV
12 weeks		YES6after therapy:
Not detected		wrong regimens - initially diagnosed as G1b;
161B4LDV/SOF
+RBV
12 weeks		RELLDV/SOF
+RBV
24 weeks		YES9Not doneretreatment with the same regimen - possible RAS to NS5A
221B4LDV/SOF
+RBV
12 weeks		NRSOF+DCV
+RBV
24 weeks		NO14Not doneunknown non-response reason - possible RAS to NS5A
231B4ASV+DCV
24 weeks		NROBV/PTV/r
+DSV+RBV
12 weeks		NO4Before therapy:
NS3: S122R, D168E;
NS5A: L31V, Y93H		RAS to NS3 and NS5A
GT: genotype; F: fibrosis; ETR: end of treatment; RAS: resistance associated substitution; NS3: nonstructural protein 3; NS5A: nonstructural protein 5A; NR: nonresponder; REL: relapse; OBV: ombitasvir; PTV: paritaprevir; DSV: dasabuvir; RBV: ribavirin; LDV: ledipasvir; SOF: sofosbuvir; ASV: asunaprevir; DCV: daclatasvir; SMV: simeprevir.

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