2016
DOI: 10.1016/s0168-8278(16)00037-4
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Sofosbuvir/Velpatasvir in Combination with Ribavirin for 24 Weeks is Effective Retreatment for Patients who failed Prior NS5A Containing DAA Regimens: Results of the GS-US-342-1553 Study

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Cited by 31 publications
(30 citation statements)
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“…In the preliminary data from Gane et al,15,62, and 81% of patients infected with GT1, 2, or 3 had deep sequencing for NS5A RAVs, respectively. For GT-1 and GT-2, all of those patients with pretreatment NS5A RAVs achieved SVR, but in GT-3, only 77% patients did, while in patients without NS5A RAVs, there were no instances of virologic failure [27]. Despite the extraordinary success of DAA therapy in HCV treatment, RAVs continue to pose a challenge, particularly in GT-3 HCV-infected patients.…”
Section: Resistance-associated Variantsmentioning
confidence: 99%
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“…In the preliminary data from Gane et al,15,62, and 81% of patients infected with GT1, 2, or 3 had deep sequencing for NS5A RAVs, respectively. For GT-1 and GT-2, all of those patients with pretreatment NS5A RAVs achieved SVR, but in GT-3, only 77% patients did, while in patients without NS5A RAVs, there were no instances of virologic failure [27]. Despite the extraordinary success of DAA therapy in HCV treatment, RAVs continue to pose a challenge, particularly in GT-3 HCV-infected patients.…”
Section: Resistance-associated Variantsmentioning
confidence: 99%
“…While results varied significantly by genotype, SVR12 rates were high overall for this difficult to treat population, with SVR rates of 33/34 (97%), 13/14 (91%), and 13/17 (76%) for genotypes 1, 2, and 3, respectively. GT-3 patients characteristically had lower SVR, and an additional third DAA agent was proposed to expand efficacy [27].…”
Section: Treatment Experienced Patientsmentioning
confidence: 99%
“…For instance, retreatment with 24 weeks of sofosbuvir/ velpatasvir plus weight-based ribavirin led to 97% SVR12 in NS5A-xperienced genotype 1 patients and 91% in genotype 2, while among 13 patients with genotype 3 infection and Y93H NS5A-RAS, the SVR12 rate was reduced to 82% [35]. In this setting, EASL guidance currently suggests to defer HCV treatment for patients without indication for urgent retreatment [19].…”
Section: Hcv Resistance Associated Variants: Problems and Solutionsmentioning
confidence: 99%
“…• Egyes kombinációkkal NS5A-RAS-ok jelenléte esetén is >90%-os SVR érhető el HCV-G1 [40][41][42][43]. Ezért a HCV-RAS-ok vizsgálata ismételt IFN-mentes kezelés előtt nem kötelező -bár célszerű, és elérhetősége esetén ajánlott.…”
Section: Ifn-mentes Kezeléssel Vírusmentessé Nem Vált Betegek Ismételunclassified