…but that is a weak "suggestion" of efficacy (to use their word).
VRTX’s PR could have been worded better, but the suggestion of ribavirin efficacy based on the results from its omission is what VRTX is banking on.
No one has conducted a trial in which HCV patients (as opposed to healthy volunteers) received a single DAA plus ribavirin without interferon for an extended period time; it would be insane to do so.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”