Ledipasvir and Sofosbuvir for 8 or 12 Weeks for Chronic HCV without Cirrhosis  

Oleh:

Kowdley, Kris V. ; Gordon, Stuart C. ; Reddy, K. Rajender ; Rossaro, Lorenzo ; Bernstein, David E.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The New England Journal of Medicine (keterangan: ada di Proquest) vol. 370 no. 20 (May 2014), page 1879-1888.
Topik: Ledipasvir; Sofosbuvir; Chronic HCV

Ketersediaan

Perpustakaan FK Nomor Panggil: N08.K.2014.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Background High rates of sustained virologic response were observed among patients with hepatitis C virus (HCV) infection who received 12 weeks of treatment with the nucleotide polymerase inhibitor sofosbuvir combined with the NS5A inhibitor ledipasvir. This study examined 8 weeks of treatment with this regimen. Methods In this phase 3, open-label study, we randomly assigned 647 previously untreated patients with HCV genotype 1 infection without cirrhosis to receive ledipasvir and sofosbuvir (ledipasvir–sofosbuvir) for 8 weeks, ledipasvir–sofosbuvir plus ribavirin for 8 weeks, or ledipasvir–sofosbuvir for 12 weeks. The primary end point was sustained virologic response at 12 weeks after the end of therapy. Results The rate of sustained virologic response was 94% (95% confidence interval [CI], 90 to 97) with 8 weeks of ledipasvir–sofosbuvir, 93% (95% CI, 89 to 96) with 8 weeks of ledipasvir–sofosbuvir plus ribavirin, and 95% (95% CI, 92 to 98) with 12 weeks of ledipasvir–sofosbuvir. As compared with the rate of sustained virologic response in the group that received 8 weeks of ledipasvir–sofosbuvir, the rate in the 12-week group was 1 percentage point higher (97.5% CI, -4 to 6) and the rate in the group that received 8 weeks of ledipasvir–sofosbuvir with ribavirin was 1 percentage point lower (95% CI, -6 to 4); these results indicated noninferiority of the 8-week ledipasvir–sofosbuvir regimen, on the basis of a noninferiority margin of 12 percentage points. Adverse events were more common in the group that received ribavirin than in the other two groups. No patient who received 8 weeks of only ledipasvir–sofosbuvir discontinued treatment owing to adverse events. Conclusions Ledipasvir–sofosbuvir for 8 weeks was associated with a high rate of sustained virologic response among previously untreated patients with HCV genotype 1 infection without cirrhosis. No additional benefit was associated with the inclusion of ribavirin in the regimen or with extension of the duration of treatment to 12 weeks.

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