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  1. NLM Digital Collections - The comparative clinical effectiveness and value of simeprevir and sofosbuvir in the ... 
    Publication: [Boston, MA] : Institute for Clinical and Economic Review, April 15, 2014
    resource.nlm.nih.gov/101642256
    ... sofosbuvir. At least two additional DAAs, faldaprevir and daclatasvir, are likely to be approved in 2014.50 ... DAAs that do not have FDA approval including daclatasvir, IDX‐719, TMC‐647055, and GSK‐23336805. None ...