Metabolite 25-O-desacetylrifabutin AUC ↑ 1.24 (0.84-1.84) Metabolite 25-O-desacetylrifabutin Cmin ↑ 1.22 (0.86-1.74) Metabolite 25-O-desacetylrifabutin Cmax ↑ 1.29 (0.98-1.68) A clinically not relevant increase in the apparent clearance of nevirapine (by 9%) compared to historical data was reported.