IDX-989 and IDX-899- NNRTIs for HIV *Better viral resistance profile than efavirenz – No cross-resistance in highly resistant efavirenz clinical strains – High barrier to resistance *No booster needed (potent inhibitor of P450 3A) *Oral, once-a-day dosing *No observed adverse events in two animal species at 450 mg/kg/day after two weeks (equivalent to 10g/day in humans) *Negative genotoxicity *Exploratory IND filed for both HIV clinical candidates and received go ahead *Traditional IND will be filed in 1H07 for selected candidate >>Info from slide 20 (JPM presentation 9 Jan 07)