Sofosbuvir-ledipasvir with or without ribavirin for chronic hepatitis C genotype-1 and 6: real-world experience in Vietnam

Therapy with sofosbuvir-ledipasvir (SOF-LDV) has been very effective in chronic HCV genotype-1 in clinical trials and several real-world cohorts. However, the safety and efficacy data of SOF-LDV for HCV genotype-6 is quite limited. This open-label, clinical experience evaluated the safety and effica...

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Bibliographic Details
Published in:Antiviral therapy 2018-01, Vol.23 (5), p.415-423
Main Authors: Thu Thuy, Pham Thi, Bunchorntavakul, Chalermrat, Tan Dat, Ho, Palecki, Julia, Reddy, K Rajender
Format: Article
Language:English
Subjects:
Clinical trials
Fibrosis
Genotype & phenotype
Genotypes
Hepatitis C
Interferon
Patients
Ribavirin
Ribonucleic acid
RNA
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Summary:Therapy with sofosbuvir-ledipasvir (SOF-LDV) has been very effective in chronic HCV genotype-1 in clinical trials and several real-world cohorts. However, the safety and efficacy data of SOF-LDV for HCV genotype-6 is quite limited. This open-label, clinical experience evaluated the safety and efficacy of SOF-LDV with or without ribavirin (RBV) for 12-24 weeks in patients with HCV genotype-1 (n=356) and genotype-6 (n=175) in Vietnam between September 2015 and May 2017. Among 539 patients evaluated for therapy, 531 patients completed treatment with either SOF-LDV for 12 weeks (n=284); SOF-LDV + RBV for 12 weeks (n=109); SOF-LDV for 24 weeks (n=36); or SOF-LDV + RBV for 24 weeks (n=102). 45% were male with a mean age of 56.3 (range 20-87) years. The mean HCV RNA was 4,370,000 IU/ml and 72.7% had high viral load of >800,000 IU/ml. 17.3% failed prior interferon-based therapy and 52.5% had advanced fibrosis (F3-4) as noted by transient elastography. The overall sustained virological response (SVR12) rate was 99.6% (529/531). Virological relapses occurred in two patients with genotype-1 in the SOF-LDV for 12 weeks and SOF-LDV + RBV for 24 weeks treatment groups. There was no significant difference in demographic data and treatment outcomes between patients with genotype-1 versus 6. Adverse events were mild with all SOF-LDV regimens, but appeared to be more common with 24-week treatment groups. SOF-LDV with or without RBV was highly effective and safe in Vietnamese patients with HCV genotype-1 and 6.
ISSN:1359-6535
2040-2058
DOI:10.3851/IMP3217