Unless this is a one off thing (i haven't been following olysio Rx closely) the proportion of NRx to TRx for Olysio suggests it is being used in a lot of longer duration regimens. I posted previously that sovaldi/olysio is probably the best option for harvoni and v pak failures and I bet many of the NRx for Olysio are for 24 weeks w sovaldi in these pts (especially after the emerging data on NS5A RAV after EASL - between harvoni retreatment data, MRK data, etc.)
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