Remimazolam can be administered safely under the supervision of endoscopists for outpatient colonoscopy, and it allows faster recovery of neuropsychiatric function compared with placebo (midazolam rescue) and midazolam. (Clinical trial registration number: NCT02290873.).

Effective antiviral therapy is essential for achieving sustained virological response (SVR) in hepatitis C virus (HCV)‐infected patients. The phase 2 COSMOS study reported high SVR rates in treatment‐naive and prior null‐responder HCV genotype (GT) 1‐infected patients receiving simeprevir+sofosbuvir±ribavirin for 12 or 24 weeks. OPTIMIST‐1 (NCT02114177) was a multicenter, randomized, open‐label study assessing the efficacy and safety of 12 and 8 weeks of simeprevir+sofosbuvir in HCV GT1‐infected treatment‐naive and treatment‐experienced patients without cirrhosis. Patients were randomly assigned (1:1; stratified by HCV GT/subtype and presence or absence of NS3 Q80K polymorphism [GT1b, GT1a with Q80K, GT1a without Q80K]), prior HCV treatment history, and IL28B GT [CC, non‐CC]) to simeprevir 150 mg once daily+sofosbuvir 400 mg once daily for 12 or 8 weeks. The primary efficacy endpoint was SVR rate 12 weeks after end of treatment (SVR12). Superiority in SVR12 was assessed for simeprevir+sofosbuvir at 12 and 8 weeks versus a composite historical control SVR rate. Enrolled were 310 patients, who were randomized and received treatment (n = 155 in each arm). SVR12 with simeprevir+sofosbuvir for 12 weeks (97% [150/155; 95% confidence interval 94%‐100%]) was superior to the historical control (87%). SVR12 with simeprevir+sofosbuvir for 8 weeks (83% [128/155; 95% confidence interval 76‐89%]) was not superior to the historical control (83%). The most frequent adverse events were nausea, headache, and fatigue (12‐week arm: 15% [23/155], 14% [22/155], and 12% [19/155]; 8‐week arm: 9% [14/155], 17% [26/155], and 15% [23/155], respectively). No patients discontinued treatment due to an adverse event. One (1%, 12‐week arm) and three (2%, 8‐week arm) patients experienced a serious adverse event (all unrelated to study treatment). Conclusion: Simeprevir+sofosbuvir for 12 weeks is highly effective in the treatment of HCV GT1‐infected patients without cirrhosis, including those with Q80K. (Hepatology 2016;64:370‐380)

Gilead Sciences.

In a phase 2 open-label trial, we found sofosbuvir-velpatasvir plus GS-9857 (8 weeks in treatment-naïve patients or 12 weeks in treatment-experienced patients) to be safe and effective for patients with HCV genotype 2, 3, 4, or 6 infections, with or without compensated cirrhosis. ClinicalTrials.gov ID: NCT02378961.

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Retreatment of patients who previously failed direct-acting antiviral-based therapies with sofosbuvir-velpatasvir plus ribavirin for 24 weeks was well tolerated and effective, particularly those with hepatitis C virus genotype 1 or 2 infection. (Hepatology 2017;66:1083-1089).

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