The phase 1/2 clinical trial being conducted  at the Duke Clinical Research Unit of Duke Clinical Research Institute  is an open-label dose escalation study that evaluates the safety and  activity of single doses of TT-034 (Benitec), a potential treatment for  HCV with a single-dose administration, in patients with chronic HCV  genotype 1 infection who have failed previous treatments, according to  the Duke Clinical Research Unit website. The trial consists of 14  patients in five sequential dose cohorts.
Patients in cohort two received an increased dose of TT-034 that was a half-log higher than patients dosed in the first cohort,  according to the release. The dose level was still below the  concentration expected to inhibit HCV viral replication, according to the release.
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