Perhaps this puts ANDS' setrobuvir (aka ANA598) in play now. (I'm being entirely facetious of course.) ; )
In all seriousness, the non-nuke class has been a gigantic black hole for developers. Although the non-nuke programs from ANDS, GILD, IDIX, VPHM, and VRTX have gone nowhere, several other companies (ABT, B-I, MRK, PFE) are still trying.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”